SP435W

SP435W SYNC-POWER | Alldatasheet

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Technical content

2012/01/05 V.1 Page 1 SP435W Dual OP AMP with Voltage Regulator DESCRIPTION APPLICATIONS The SP435W is a monolithic IC specifically designed to control the output current and voltage levels of switch mode battery chargers and power supplies. The device contains two operational amplifiers and a precision shunt regulator. Op Amp 1 is designed for voltage control, whose non-inverting input internally connects to the output of the shunt regulator. Op Amp 2 is for current control with both inputs uncommitted. The IC offers the power converter designer a control solution that features increased precision with a corresponding reduction in system complexity and cost. Battery Power Equipment Linear Regulators Switch Power Supply Cellular Phone Digital Cameras Computer Disk Drivers Instrumentation FEATURES PIN CONFIGURATION ( SOP-8 ) PART MARKING Input offset voltage: 0.5mV Supply current: 250 uA per Op Amp at 5.0V supply voltage Unity gain bandwidth: 1MHz Output voltage swing: 0 to (VCC- 1.5) V Power supply range: 3 to 18V Fixed output voltage reference: 2.5V V oltage tolerance: 1% Sink current capability from 0.2 to 80mA

2012/01/05 V.1 Page 2 SP435W Dual OP AMP with Voltage Regulator TYPICAL APPLCATION CIRCUIT PIN DESCRIPTION Pin Symbol Description

1 Output 1 OP Amp Output 1

2 Input 1- OP Amp Input 1 V oltage

3 Input 1+ V KA Power Switching Output

4 GND Ground

5 Input 2+ OP Amp Input 2 V oltage

6 Input 2- OP Amp Input 2 V oltage

7 Output 2 OP Amp Output 2

8 Vcc Power Supply V oltage

ORDERING INFORMATION

Part Number Package Part Marking SP435WS8RGB SOP-8 SP435W ※ SP435WS8RGB : 13” Tape Reel; Pb – Free, Halogen-Free

2012/01/05 V.1 Page 3 SP435W Dual OP AMP with Voltage Regulator BLOCK DIAGRAM ABSOULTE MAXIMUM RATINGS (TA=25 , unless otherwise specified.)℃ The following ratings designate persistent limits beyond which damage to the device may occur . Symbol Parameter Value Unit V CC DC Supply V oltage (Vcc to Ground) 20 V V IN OP Amp 1 and 2 Input V oltage (Pin 2, 5, 6) -0.3~Vcc +0.3 V V ID OP Amp 2 Input Differential V oltage (Pin 5, 6) 20 V IK V oltage Reference Cathode Current (Pin 3) 100 mA TSTG Storage Temperature Range -65 to 150 ℃ TLEAD Lead Soldering Temperature for 5 sec. 260 ℃ Tope Operation Temperature Range -40 ~ 85 ℃ PD Power Dissipation 500 mW

2012/01/05 V.1 Page 4 SP435W Dual OP AMP with Voltage Regulator

ELECTRICAL CHARACTERISTICS

(Unless otherwise stated, these specifications apply T A =25°C; V CC =+5V) Symbol Parameter Conditions Min. Typ. Max. Unit SUPPLY V CC Supply V oltage 3 18 V V CC = 5V , no load 0.45 0.6 ICC Supply Current, excluding Current in V oltage Reference V CC = 18V , no Load 0.6 0.8 mA VOLTAGE REFERENCE SECTION V REF Reference V oltage I KA =10 mA 2.475 2.5 2.525 V ΔV REF Reference V oltage Deviation over Temp Range IKA =10 mA, T A = -40~85 ℃ 5 24 mV IMIN Minimum Cathode Current for Regulation V KA = V REF 0.2 1.0 mA ∣ZK A∣ Dynamic Impedance V KA = V REF, IKA = 1mA~80mA, f<1KHz 0.3 0.5 Ω OP AMP 1 SECTION (V CC+ = 5V , V O = 1.4V) TA = 25°C 0.5 3.0 V IO Input Offset V oltage TA = -40°C~85°C 5.0 mV αV IO Input Offset V oltage Temperature Drift 7 μ V/°C IIB Input Bias Current (Inverting Input Only) 20 150 nA A VD Large Signal V oltage Gain V CC = 15V , R L = 2K Ω, V O = 1.4~11.4V 85 100 V/mV K SVR Power Supply Rejection Ratio V CC+ = 5~18V 60 90 dB Io (SINK) Output Sink Current V CC = 15V , V ID = -1V , V O = 2V 10 20 mA Io (SOURCE) Output Source Current V CC = 15V , VID = 1V , V O = 2V 20 40 mA V OH Output V oltage Swing High V CC = 18V , V ID = 1V , RL = 10K Ω 16 16.5 V V OL Output V oltage Swing Low V CC = 18V , V ID = -1V , RL = 10K Ω 17 100 mV SR Slew Rate V CC = 18V , RL = 2K Ω, V I = 0.5~2V , CL= 100 pF 0.2 0.5 V /μS GBW Gain Bandwidth Product V CC = 18V , RL = 2K Ω, V I = 10mV , CL = 100 pF, f = 100KHz 0.5 1 MHz

2012/01/05 V.1 Page 5 SP435W Dual OP AMP with Voltage Regulator Symbol Parameter Conditions Min. Typ. Max. Unit OP AMP 2 SECTION (V CC+ = 5V , V O = 1.4V) TA = 25°C 0.5 3.0 V IO Input Offset V oltage TA = -40°C~85°C 5.0 mV αV IO Input Offset V oltage Temperature Drift 7 μ V/°C IIO Input Offset Current 2 30 nA IIB Input Bias Current (Inverting Input Only) 20 150 nA V ICR Input Common Mode V oltage Range Vcc = 18V Vcc – 1 .5 V CMRR Common Mode Rejection Ratio TA = 25°C, V CM = 0~3.5V 70 85 dB A VD Large Signal V oltage Gain V CC = 15V , R L = 2K Ω, V O = 1.4~11.4V 85 100 V/mV K SVR Power Supply Rejection Ratio V CC+ = 5~18V 60 90 dB Io (SINK) Output Sink Current V CC = 15V , V ID = -1V , V O = 2V 10 20 mA Io (SOURCE) Output Source Current V CC = 15V , VID = 1V , V O = 2V 20 40 mA V OH Output V oltage Swing High V CC = 18V , V ID = 1V , RL = 10K Ω 16 16.5 V V OL Output V oltage Swing Low V CC = 18V , V ID = -1V , RL = 10K Ω 17 100 mV SR Slew Rate V CC = 18V , RL = 2K Ω, V I = 0.5~2V , CL= 100 pF 0.2 0.5 V /μS GBW Gain Bandwidth Product V CC = 18V , RL = 2K Ω, V I = 10mV , CL = 100 pF, f = 100KHz 0.5 1 MHz

2012/01/05 V.1 Page 6 SP435W Dual OP AMP with Voltage Regulator SOP- 8 PACKAGE OUTLINE

2012/01/05 V.1 Page 7 SP435W Dual OP AMP with Voltage Regulator Information provided is alleged to be exact and consistent. SYNC Power Corporation presumes no responsibility for the penalties of use of such information or for any violation of patents or other rights of third parties, which may result from its use. No license is granted by allegation or otherwise under any patent or patent rights of SYNC Power Corporation. Conditions mentioned in this publication are subject to change without notice. This publication surpasses and replaces all information previously supplied. SYNC Power Corporation products are not authorized for use as critical components in life support devices or systems without express written approval of SYNC Power Corporation. ©The SYNC Power logo is a registered trademark of SYNC Power Corporation ©2011 SYNC Power Corporation – Printed in Taiwan – All Rights Reserved SYNC Power Corporation 7F-2, No.3-1, Park Street NanKang District (NKSP), Taipei, Taiwan, 115, R.O.C Phone: 886-2-2655-8178 Fax: 886-2-2655-8468 http://www.syncpower.com