ILD-4035-E6327

ILD-4035-E6327 INFINEON | Alldatasheet

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Industrial and Multimarket Data Sheet Revision 2.0, 2011-08-17 ILD4035 350 mA Step Down LED Driver LED Drivers for High Power LEDs

81726 Munich, Germany

© 2011 Infineon Technologies AG All Rights Reserved. Legal Disclaimer The information given in this document shall in no event be regarded as a guarantee of conditions or characteristics. With respect to any examples or hints given herein, any typical values stated herein and/or any information regarding the application of the device, Infineon Technologies hereby disclaims any and all warranties and liabilities of any kind, including without limitation, warranties of non-infringement of intellectual property rights of any third party. Information For further information on technology, delivery terms and conditions and prices, please contact the nearest Infineon Technologies Office (www.infineon.com). Warnings Due to technical requirements, components may contain dangerous substances. For information on the types in question, please contact the nearest Infineon Technologies Office. Infineon Technologies components may be used in life-support devices or systems only with the express written approval of Infineon Technologies, if a failure of such components can reasonably be expected to cause the failure of that life-support device or system or to affect the safety or effectiveness of that device or system. Life support devices or systems are intended to be implanted in the human body or to support and/or maintain and sustain and/or protect human life. If they fail, it is reasonable to assume that the health of the user or other persons may be endangered.

350 mA Step Down LED Driver Data Sheet 3 Revision 2.0, 2011-08-17 Trademarks of Infineon Technologies AG AURIX™, BlueMoon™, C166™, Ca nPAK™, CIPOS™, CIPURSE™, COMN EON™, EconoPACK™, CoolMOS™, CoolSET™, CORECONTROL™, CROSSAVE™, DAVE™, EasyPIM™, EconoBRI DGE™, EconoDUAL™, EconoPIM™, EiceDRIVER™, eupec™, FCOS™, HITFE T™, HybridPACK™, I²RF™, ISOFACE™, IsoPACK™, MIPAQ™, ModSTACK™, my-d™, NovalithIC™, OmniTune™, OptiMOS™, ORIGA™, PRIMARION™, PrimePACK™, PrimeSTACK™, PR O-SIL™, PROFET™, RASIC™, Re verSave™, SatRIC™, SIEGET™, SINDRION™, SIPMOS™, SMARTi™, SmartLEW IS™, SOLID FLASH™, TEMPFET™, thinQ!™, TRENCHSTOP™, TriCore™, X-GO LD™, X-PMU™, XMM™, XPOSYS™. Other Trademarks Advance Design System™ (ADS) of Agilent Te chnologies, AMBA™, ARM™, MULTI-ICE™, KEIL™, PRIMECELL™, REALVIEW™, THUMB™, µVision™ of ARM Limited, UK. AUTOSAR™ is licensed by AUTOSAR development partnership. Bluetooth™ of Bluetooth SIG Inc. CAT-iq™ of DECT Forum. COLOSSUS™, FirstGPS™ of Trimble Navigation Ltd. EMV™ of EMVC o, LLC (Visa Holdings In c.). EPCOS™ of Epcos AG. FLEXGO™ of Microsoft Corp oration. FlexRay™ is licensed by FlexRay Consortium. HYPERTERMINAL™ of Hilgraeve Incorporated. IEC™ of Commission Electrot echnique Internationale. IrDA™ of Infrared Data Association Corporation. ISO™ of INTERNATIONAL ORGANIZATION FOR STANDARDIZATION. MATLAB™ of MathWorks, Inc. MAXIM™ of Maxim Integrated Products, Inc. MICROTEC™, NUCLEUS™ of Mentor Graphics of MURATA MANUFACTURING CO., MICROWAVE OFFI CE™ (MWO) of Applied Wave Research Inc., OmniVision™ of OmniVision Technologies, Inc. Open wave™ Openwave Systems Inc. RED HAT™ Red Hat, Inc. RFMD™ RF Micro Devices, Inc. SIRIUS™ of Sirius Sate llite Radio Inc. SOLARIS™ of Sun Microsystems, Inc. SPANSION™ of Spansion LLC Ltd. Symbian™ of Sy mbian Software Limited. TAIYO YUDEN™ of Taiyo Yuden Co. TEAKLITE™ of CEVA, Inc. T EKTRONIX™ of Tektroni x Inc. TOKO™ of TOKO KABUSHIKI KAISHA TA. UNIX™ of X/Open Company Limited. VERILOG™, PALLADIUM™ of Cadence Design Systems, Inc. VLYNQ™ of Texas Instruments Incorporated. VXWORKS™, WIND RIVER™ of WIND RIVER SYSTEMS, INC. ZETEX™ of Diodes Zetex Limited. Last Trademarks Update 2010-10-26

Revision History

Page or Item Subjects (major changes since previous revision) Revision 2.0, 2011-08-17 Table 2 Maximum peak current specified for hysteretic peak condition Table 2 Maximum junction temperature increased to 150 °C Figure 3 Safe operating area increased Table 4 Maximum supply voltage reduced to 40 V Table 4 Overall current consumption and standby current reduced Table 4 Over temperature protection improved from flicker to sloped behaviour Table 5 Application setup changed Table 6 Voltage range of digital control signals changed Chapter 6.3 Over temperature protection improved from flicker to sloped behaviour Chapter 6.4 Figures of switching parameters changed Revision 1.0, 2010-11-11

350 mA Step Down LED Driver Table of Contents Data Sheet 4 Revision 2.0, 2011-08-17 Table of Contents

350 mA Step Down LED Driver List of Tables Data Sheet 6 Revision 2.0, 2011-08-17 List of Tables

350 mA Step Down LED Driver List of Tables Data Sheet 7 Revision 2.0, 2011-08-17

Product Name Package Pin Configuration Marking ILD4035 SC74-6-4 1 = VS 2 = GND 3 = EN 4 = Vswitch 5 = GND 6 = Vsense 35 350 mA Step Down LED Driver with Internal Switch ILD4035 Data Sheet 8 Revision 2.0, 2011-08-17

1 Features

• Wide input voltage range: 4.5 V ... 40 V
• Internal switch for up to 400 mA average LED current
• Up to 95 % efficiency
• Over current protection
• Over voltage protection
• Temperature protection mechanism
• Inherent open-circuit LED protection
• Soft-start capability
• Low shut down current
• Analog and PWM dimming possible
• Typical 3 % output current accuracy
• Minimum external components required
• Small package: SC74

Applications

• LED driver for genera l lighting applications
• Retail, office and residential luminaires and downlights
• LED replacement lamps
• Architectural lighting

350 mA Step Down LED Driver Product Brief Data Sheet 9 Revision 2.0, 2011-08-17

2 Product Brief

The ILD4035 is a hysteretic step down LED driver IC for general lighting applications, which is capable to drive high power LEDs with average currents up to 400 mA. The IC incorporates a wide input voltage range and an internal power switch. The output current level can be adjusted with an external sense resistor. According to the multifunctional control pin the IC can be switched on and off by an external signal, which is also suitable to regulate brightness of the LEDs by PWM or analog voltage dimming. Depending on the value of the switching inductor the switching frequency and the voltage ripple can be set. The precise internal bandgap stabilizes the circuit and provides stable current conditions over temperature range. To ensure a long lifetime of the LED system, the ILD4035 incorporates an overvoltage and an overcurrent protection. In addition, the integrated thermal protection will reduce the output current to protect the LEDs and the IC against thermal stress. Figure 1 Block Diagram ILD4035_Block diagram.vsd 1VS GND EN / PWM Vsense GND Vswitch ILD4035 Buck LED Converter I / V Vref Vstab Vstab Vstab Vstab Vstab Over Current Protection TPC Over Voltage Protection

350 mA Step Down LED Driver Product Brief Data Sheet 10 Revision 2.0, 2011-08-17 Pin Definition Table 1 Pin Definition and Function Pin No. Name Pin Type Buffer Type Function

1 Vs Input – Supply voltage

2 GND GND – IC ground

3 EN / PWM Input – Multifunctional pin:

• Chip enable signal
• Analog dimming signal
• PWM dimming signal Vswitch Output – Power switch output

5 GND GND – IC ground

Vsense Input – LED current sense input

350 mA Step Down LED Driver Maximum Ratings Data Sheet 11 Revision 2.0, 2011-08-17

3 Maximum Ratings

Attention: Stresses above the max. values listed here may cause permanent damage to the device. Exposure to absolute maximum rating conditions for extended periods may affect device reliability. Maximum ratings are absolute ratings; exceeding only one of these values may cause irreversible damage to the integrated circuit. Table 2 Maximum Ratings Parameter Symbol Values Unit Note / Test ConditionMin. Typ. Max. Supply voltage VS ––4 5 V – Peak output current ISwitch – – 550 mA Hysteretic peak current Total power dissipation, Ts ≤ 85°C Ptot ––1 0 0 0 m W – Junction temperature TJ ––1 5 0 ° C – Storage temperature range TSTG -65 – 150 °C – ESD capability at all pins VESD HBM ––4 kV HBM acc. to JESD22-A114

350 mA Step Down LED Driver Thermal Characteristics Data Sheet 12 Revision 2.0, 2011-08-17

4 Thermal Characteristics

Figure 2 Total Power Dissipation Equation (1) is gives an estimation for the power dissipation of ILD4035. (1) Table 3 Maximum Thermal Resistance Parameter Symbol Values Unit Note / Test ConditionMin. Typ. Max. Junction - soldering point1) 1) For calculation of R thJA please refer to application note AN077 (Thermal Resistance Calculation) RthJS ––6 5 K / W – 0.2 0.4 0.6 0.8 1.2 0 20 40 60 80 100 120 140 160 Ptot [W] TS [°C] mA IµWfcycledutyIVP LED SwitchLEDtot 35011.1 ⋅⋅+⋅⋅=

350 mA Step Down LED Driver Thermal Characteristics Data Sheet 13 Revision 2.0, 2011-08-17 Figure 3 Safe Operating Area Figure 3 shows the safe operating area for the respective inductance values. The safe operating area consists of the minimum and maximum allowed average LED curren t and the resulting voltage overhead. The voltage overhead Voverhead is the difference between the supply voltage VS and the sum of the LED forward voltages VΣfLED. Example calculation 1

3 LEDs in series, VfLED= 3V, ILED = 350 mA, VS = 12 V

Voverhead = VS - VΣfLED = 12 V - 9 V = 3 V → any of the above coil values can be used Example calculation 2

6 LEDs in series, VfLED= 3V, ILED = 250 mA, VS = 24 V

Voverhead = VS - VΣfLED = 24 V - 18 V = 6 V → the coil values needs to be at least 68 µH Outside the safe operating area the switching frequency, hysteretic peak current and associated power dissipation Ptot of ILD4035 will increase beyond the maximum ratings. VS - VΣfLED [V] Average LED current ILED [A] 47 μH 68 μH 100 μH 150 μH 220 μH 330 μH

350 mA Step Down LED Driver

Electrical Characteristics

Data Sheet 14 Revision 2.0, 2011-08-17

5 Electrical Characteristics

5.1 DC Characteristics

All parameters at TA = 25 °C, unless otherwise specified. VS = 12 V, 3 LEDs, Rsense = 303 mΩ (ILED = 375 mA), L = 100 μH, VEN = 3 V, VfLED = 3 V Table 4 DC Characteristics Parameter Symbol Values Unit Note / Test Condition Min. Typ. Max. Supply voltage VS 4.5 – 40 V Overall current consumption open load IS open load 1.4 2.3 3.1 mA VS =4 . 5V ILED =0m A Overall current consumption open load IS open load 1.5 2.4 3.2 mA VS =1 2V ILED =0m A Overall current consumption open load IS open load 1.8 3.0 3.9 mA VS =4 0V ILED =0m A Overall standby current consumption IS standby ––1µ A VEN =0V ; VS =1 2V Overall standby current consumption IS standby ––5 μA VEN =0V ; VS =4 0V Enable voltage for standby mode VEN -0.3 – 0.4 V Enable voltage for analog dimming VEN 1 – 2 V linear dimming range Input current of multifunctional control pin IEN – 50 140 μA VEN =3V VS =4 . 5 . . 4 0V Current of sense input Isense –2 0 – μA at any LED current Over temperature protection TS,TSD –1 1 3 –° C TS for 10 % ILED reduction, defined by TJ

350 mA Step Down LED Driver Data Sheet 15 Revision 2.0, 2011-08-17

5.2 Switching Characteristics

All parameters at TA = 25 °C, unless otherwise specified. VS = 12 V, 3 LEDs, Rsense = 303 mΩ (ILED = 375 mA), L = 100 μH, VEN = 3 V, VfLED = 3 V

5.3 Digital Signals

All parameters at TA = 25 °C, unless otherwise specified. Table 5 Switching Characteristics Parameter Symbol Values Unit Note / Test Condition Min. Typ. Max. Switching frequency fSwitch –1 2 0 –k H z Maximum switching frequency fSwitch max – – 500 kHz for any coil value Mean current sense threshold voltage Vsense –1 1 4 –m V Sense threshold hysteresis Vsensehys – ±7.5 – % Residual voltage at collector of power transistor Vswitch on – 1.1 – V output switch turned on Output current accuracy Ioutacc – ±3– % Table 6 Digital Control Pa rameter at Pin EN/PWM Parameter Symbol Values Unit Note / Test Condition Min. Typ. Max. Input voltage for power on VOn 2.5 3 40 V full LED current Input voltage for power off VOff -0.3 – 0.4 V Min. power on puls duration tOn 10 – µs

350 mA Step Down LED Driver Basic Application Information Data Sheet 16 Revision 2.0, 2011-08-17

6 Basic Application Information

This section covers the basic information required for calculating the parameters for a certain LED application. For detailed application information please check the Application Note AN215 (Driving 1 W LEDs with ILD4035) or visit our web site http://www.infineon.com/led.appnotes

6.1 Setting the average LED current

The average output current for the LEDs is set by the external sense resistor Rsense. To calculate the value of this resistor a first approximation can be calculated using Equation (2). Vsense is dependent on the supply voltage VS and the number of LEDs in series. (2) Example calculation 1 VS = 12 V, 100 µH, VfLED = 3 V, 3 LEDs in series → Vsense = 114 mV ILED = 375 mA → Rsense = 303 mΩ Example calculation 2 VS = 24 V, 100 µH, VfLED = 3 V, 6 LEDs in series → Vsense = 106 mV ILED = 350 mA → Rsense = 303 mΩ An easy way to achieve these resistor values is to connect standard resistors in parallel

6.2 Dimming of the LEDs

The voltage level of the EN/PWM pin can be used for analog dimming of the LED current. To achieve a linear change in LED current versus control voltage the recommended voltage range at the EN/PWM pin is 1 V to 2 V. The maximum achievable LED current is defined by resistor Rsense. The maximum LED current will be achieved for VEN ≥ 2.5 V. Below 0.4 V the ILD4035 is set to standby mode and the output is switched off. The typical dimming performance is shown in below figures. LED sense sense I VR =

350 mA Step Down LED Driver Basic Application Information Data Sheet 17 Revision 2.0, 2011-08-17 PWM Dimming Besides the analog dimming functionality the EN/PWM pin acts as input for a pulse width modulated (PWM) signal to control the dimming of the LED string. For PWM dimming the signal's logic high level should be at least 2.5 V and the PWM frequency should be lower than 5 kHz. For the ILD4035/4001 demo board a dimming frequency less than 330 Hz is recommended to maintain a maximum contra st ratio of 100:1. The ac hieveable contrast ratio is shown on Figure 4 based on the measured average LED current deviating 3 dB from the linear reference. The maximum contrast ratio depends mainly on the rise time of the inductor current and is thus dependent on supply voltage, inductor size and LED string forward voltage. ILED versus VEN, TA=25 °C ILED (relative) versus VEN, TA=25 °C ILED versus VEN, 333 mΩ, 100 µH 0.1 0.2 0.3 0.4 1 1.5 2 2.5 3 ILED [A] VEN [V] 303 mΩ, 100 μH 333 mΩ, 100 μH 600 mΩ, 100 μH 1200 mΩ, 220 μH 100 110 1 1.5 2 2.5 3 ILED [%] VEN [V] 303 mΩ, 100 μH 333 mΩ, 100 μH 600 mΩ, 100 μH 1200 mΩ, 220 μH 0.05 0.1 0.15 0.2 0.25 0.3 0.35 0.4 1 1.5 2 2.5 3 ILED [A] VEN [V] -40 °C 25 °C 85 °C 105 °C

350 mA Step Down LED Driver Basic Application Information Data Sheet 18 Revision 2.0, 2011-08-17 Figure 4 PWM Dimming 100 1000 100 1000 10000 Contrast Ratio PWM Dimming Frequency [Hz]

350 mA Step Down LED Driver Basic Application Information Data Sheet 19 Revision 2.0, 2011-08-17

6.3 Temperature Protection Circuit

ILD4035 incorporates a temperature protection circuit referring to the junction temperature of ILD4035. The higher the junction temperature of ILD4035 the lower the curren t of the LEDs. This feature helps to reduce the power dissipation of ILD4035 and the LEDs. Yet still the product specific maximum ratings for junction temperature need to be observed to avoid a permanent damage of the devices. ILD4035 has been characterized on ILD4035/4001 application board heated from the backside without additional air flow on the circuit board surface besides natural convection. Design and layout of the circuit board as well as the air flow influence the thermal resistance junction to ambient RthJA of ILD4035 and thus its junction temperature. Below figures show the LED current versus soldering point temperature TS.

6.4 Switching Parameters

For all shown parameters ILD4035 has been meas ured on evaluation board ILD4035/4001 at TA = 25 °C. Used LEDs have a typical forward voltage VfLED of 3 V. For details see application note AN215 (Driving 1W LEDs with ILD4035) or visit our web site http://www.infineon.com/lowcostleddrivers. LED current versus TS, VS = 12 V LED current (relative) versus TS, VS = 12 V 0.05 0.1 0.15 0.2 0.25 0.3 0.35 0.4 40 50 60 70 80 90 100 110 120 130 ILED [A] TS [°C] 303 mΩ, 100 μH 333 mΩ, 100 μH 600 mΩ, 100 μH 1200 mΩ, 220 μH 100 110 40 50 60 70 80 90 100 110 120 130 ILED [%] TS [°C] 303 mΩ, 100 μH 333 mΩ, 100 μH 600 mΩ, 100 μH 1200 mΩ, 220 μH

350 mA Step Down LED Driver Basic Application Information Data Sheet 20 Revision 2.0, 2011-08-17 Rsense = 303 mΩ, L= 47 µH ILED versus VS and Number of LEDs fSwitch versus VS and Number of LEDs Efficiency versus VS and Number of LEDs Duty Cycle versus VS and Number of LEDs 0.25 0.3 0.35 0.4 0.45 0 5 10 15 20 25 30 35 40 45 ILED [A] VS [V]

1 LED

2 LEDs

3 LEDs

4 LEDs

5 LEDs

6 LEDs

7 LEDs

8 LEDs

9 LEDs

10 LEDs

0 5 10 15 20 25 30 35 40 45 fSwitch [kHz] VS [V] 0 5 10 15 20 25 30 35 40 45 Efficiency [%] VS [V] 0 5 10 15 20 25 30 35 40 45 Duty Cycle [%] VS [V]

350 mA Step Down LED Driver Basic Application Information Data Sheet 21 Revision 2.0, 2011-08-17 Rsense = 303 mΩ, L= 68 µH ILED versus VS and Number of LEDs fSwitch versus VS and Number of LEDs Efficiency versus VS and Number of LEDs Duty Cycle versus VS and Number of LEDs 0.25 0.3 0.35 0.4 0.45 0 5 10 15 20 25 30 35 40 45 ILED [A] VS [V] 0 5 10 15 20 25 30 35 40 45 fSwitch [kHz] VS [V] 0 5 10 15 20 25 30 35 40 45 Efficiency [%] VS [V] 0 5 10 15 20 25 30 35 40 45 Duty Cycle [%] VS [V]

350 mA Step Down LED Driver Basic Application Information Data Sheet 22 Revision 2.0, 2011-08-17 Rsense = 303 mΩ, L= 100 µH ILED versus VS and Number of LEDs fSwitch versus VS and Number of LEDs Efficiency versus VS and Number of LEDs Duty Cycle versus VS and Number of LEDs 0.25 0.3 0.35 0.4 0.45 0 5 10 15 20 25 30 35 40 45 ILED [A] VS [V] 0 5 10 15 20 25 30 35 40 45 fSwitch [kHz] VS [V] 0 5 10 15 20 25 30 35 40 45 Efficiency [%] VS [V] 0 5 10 15 20 25 30 35 40 45 Duty Cycle [%] VS [V]

350 mA Step Down LED Driver Basic Application Information Data Sheet 23 Revision 2.0, 2011-08-17 Rsense = 303 mΩ, L= 220 µH ILED versus VS and Number of LEDs fSwitch versus VS and Number of LEDs Efficiency versus VS and Number of LEDs Duty Cycle versus VS and Number of LEDs 0.25 0.3 0.35 0.4 0.45 0 5 10 15 20 25 30 35 40 45 ILED [A] VS [V] 0 5 10 15 20 25 30 35 40 45 fSwitch [kHz] VS [V] 0 5 10 15 20 25 30 35 40 45 Efficiency [%] VS [V] 0 5 10 15 20 25 30 35 40 45 Duty Cycle [%] VS [V]

350 mA Step Down LED Driver Basic Application Information Data Sheet 24 Revision 2.0, 2011-08-17 Rsense = 367 mΩ, L= 47 µH ILED versus VS and Number of LEDs fSwitch versus VS and Number of LEDs Efficiency versus VS and Number of LEDs Duty Cycle versus VS and Number of LEDs 0.2 0.25 0.3 0.35 0.4 0 5 10 15 20 25 30 35 40 45 ILED [A] VS [V] 0 5 10 15 20 25 30 35 40 45 fSwitch [kHz] VS [V] 0 5 10 15 20 25 30 35 40 45 Efficiency [%] VS [V] 0 5 10 15 20 25 30 35 40 45 Duty Cycle [%] VS [V]

350 mA Step Down LED Driver Basic Application Information Data Sheet 25 Revision 2.0, 2011-08-17 Rsense = 367 mΩ, L= 68 µH ILED versus VS and Number of LEDs fSwitch versus VS and Number of LEDs Efficiency versus VS and Number of LEDs Duty Cycle versus VS and Number of LEDs 0.2 0.25 0.3 0.35 0.4 0 5 10 15 20 25 30 35 40 45 ILED [A] VS [V] 0 5 10 15 20 25 30 35 40 45 fSwitch [kHz] VS [V] 0 5 10 15 20 25 30 35 40 45 Efficiency [%] VS [V] 0 5 10 15 20 25 30 35 40 45 Duty Cycle [%] VS [V]

350 mA Step Down LED Driver Basic Application Information Data Sheet 26 Revision 2.0, 2011-08-17 Rsense = 367 mΩ, L= 100 µH ILED versus VS and Number of LEDs fSwitch versus VS and Number of LEDs Efficiency versus VS and Number of LEDs Duty Cycle versus VS and Number of LEDs 0.2 0.25 0.3 0.35 0.4 0 5 10 15 20 25 30 35 40 45 ILED [A] VS [V] 0 5 10 15 20 25 30 35 40 45 fSwitch [kHz] VS [V] 0 5 10 15 20 25 30 35 40 45 Efficiency [%] VS [V] 0 5 10 15 20 25 30 35 40 45 Duty Cycle [%] VS [V]

350 mA Step Down LED Driver Basic Application Information Data Sheet 27 Revision 2.0, 2011-08-17 Rsense = 367 mΩ, L= 220 µH ILED versus VS and Number of LEDs fSwitch versus VS and Number of LEDs Efficiency versus VS and Number of LEDs Duty Cycle versus VS and Number of LEDs 0.2 0.25 0.3 0.35 0.4 0 5 10 15 20 25 30 35 40 45 ILED [A] VS [V] 0 5 10 15 20 25 30 35 40 45 fSwitch [kHz] VS [V] 0 5 10 15 20 25 30 35 40 45 Efficiency [%] VS [V] 0 5 10 15 20 25 30 35 40 45 Duty Cycle [%] VS [V]

350 mA Step Down LED Driver Application Circuit Data Sheet 28 Revision 2.0, 2011-08-17

7 Application Circuit

Figure 5 Application Circuit

8 Evaluation Board

Figure 6 ILD4035 on Evaluation Board EN / PWM Vs 6 I / V Vref Vstab Vref Vstab Vstab Vstab TPC ILD4035 Rsense

350 mA Step Down LED Driver

Package Information

Data Sheet 29 Revision 2.0, 2011-08-17

9 Package Information

Figure 7 Package Outline SC74 Figure 8 Recommended PCB Footprint for Reflow Soldering Figure 9 Tape Loading SC74-PO V04 546 321 1.1 MAX. (0.35) (2.25) ±0.22.9 B 0.2 +0.1 -0.050.35Pin 1 marking M B 6x 0.95 1.9 0.15-0.06 +0.1 1.6 A ±0.1 2.5 0.25 ±0.1 ±0.1 A0.2 M 0.1 MAX. 0.5 0.95 1.9 2.9 SC74-FPR V04 SC74-TP 2.7 3.15Pin 1 marking 0.2 1.15

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