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Technical content
Features
VIN: 3.5 V~5.5 V 28 V Absolute Ratings at VIN Current Capability: 2.5 A Adjustable Current Limit: (Typ.) 0.1 A~2.5 A with 10% Accuracy RON: Maximum 100 mΩ at 5 VIN and 1A IOUT Output Discharge During Off State Open-Drain OVP on FLAGB Thermal Shutdown Under-Voltage Lockout (UVLO) True Reverse-Current Blocking (TRCB) Logic CMOS IO Meets JESD76 Standard for GPIO Interface and Related Power Supply Requirements ESD Protected: - Human Body Model: >5.0 kV - Charged Device Model: >2.5 kV - IEC 61000-4-2 Air Discharge: >15 kV - IEC 61000-4-2 Contact Discharge: >8 kV
Applications
Smart Phones, Tablet PCs Storage, DSLR, and Portable Devices
Description
The FPF2496 advanced load -management switch targets applications requiring a highly integrated solution. It disconnects loads powered from the DC power rail (<6 V) with stringent off-state current targets and high load capacitances (<100 µF). The FPF2496 consists of a slew -rate controlled low -impedance MOSFET switch (100 mΩ maximum) and integrated analog features . The s lew-rate controlled turn -on characteristic prevents inrush current and the resulting excessive voltage droop on power rails. FPF2496 has over-voltage and over-temperature protection. The FPF2496 has a True Reverse -Current Blocking (TRCB) function that obstructs unwanted reverse current from V OUT to VIN during ON and OFF states. The exceptionally low off -state current drain (< 2 µA maximum) facilitates compliance with standby power requirements. The input voltage range op erates from 3.5 V to 5.5 VDC to support a wide range of applications in consumer, optical, medical, storage, portable, and industrial -device power management systems. Switch control is manag ed b y a logic input (active LOW) capable of interfacing directly with low - voltage control signal / General-Purpose Input / Output (GPIO) without an external pull-down resistor. The device is packaged in advanced, fully “green” compliant, 1.21 mm x 1. 21 mm, Wafer -Level Chip - Scale Package (WLCSP).
Ordering Information
Temperature Range Package Top Mark FPF2496UCX -40 to 85°C 1.21 mm x 1.21 mm, Wafer-Level Chip-Scale Package (WLCSP) TJ
Figure 3. Pin Assignments (Top View) Figure 4. Pin Assignments (Bottom View) pull-up resistor to VCC is required. C2 ISET Current Limit Set Input: A resistor from ISET to ground sets the current limit for the switch.
© 2014 Fairchild Semiconductor Corporation www.fairchildsemi.com FPF2496 • Rev. 1.11 4 FPF2496 — IntelliMAX™ 28 V Over-Voltage, Over-Current Protection Load Switch with Adjustable Current-Limit Control Absolute Maximum Ratings Stresses exceeding the absolute maximum ratings may damage the device. The device may not function or be operable above the recommended operating conditions and stressing the parts to these levels is not recommended. In addition, extended exposure to stresses above the recommended operating conditions may affect device reliability. The absolute maximum ratings are stress ratings only. Symbol Parameters Min. Max. Unit VPIN VIN to GND, VIN to VOUT -0.3 28.0 V ONB, VOUT, FLAGB, ISET to GND -0.3 6.0 ISW Maximum Continuous Switch Current 2.75 A tPD Total Power Dissipation at TA=25°C 1.0 W TJ Operating Junction Temperature -40 +150 °C TSTG Storage Junction Temperature -65 +150 °C JA Thermal Resistance, Junction-to-Ambient (1-inch Square Pad of 2 oz. Copper) 95(2) °C/W 110(3) ESD Electrostatic Discharge Capability Human Body Model, ANSI/ESDA/JEDEC JS-001-2012 5.0 kV Charged Device Model, JESD22-C101 2.5 IEC61000-4-2 System Level Air Discharge (VIN, VON, VOUT to GND) 15 Contact Discharge (VIN, VON, VOUT to GND) 8 Notes: 2. Measured using 2S2P JEDEC std. PCB. 3. Measured using 2S2P JEDEC PCB cold plate method. Recommended Operating Conditions The Recommended Operating Conditions table defines the conditions for actual device operation. Recommended operating conditions are specified to ensure optimal performance to the datasheet specifications. Fairchild does not recommend exceeding them or designing to Absolute Maximum Ratings. Symbol Parameters Min. Max. Unit VIN Supply Voltage 3.5 5.5 V TA Ambient Operating Temperature -40 85 °C
© 2014 Fairchild Semiconductor Corporation www.fairchildsemi.com FPF2496 • Rev. 1.11 5 FPF2496 — IntelliMAX™ 28 V Over-Voltage, Over-Current Protection Load Switch with Adjustable Current-Limit Control
Electrical Characteristics
Unless otherwise noted; VIN=3.5 to 5.5 V, TA=-40 to +85°C; typical values are at VIN=5 V and TA=25°C. Symbol Parameters Condition Min. Typ. Max. Unit Basic Operation VIN Input Voltage 3.5 5.5 V IQ(OFF) Off Supply Current VON=GND, VOUT=Open 1 2 μA ISD(OFF) Shutdown Current VIN=5.5 V, VOUT=0 V, VON=GND 0.1 4.0 μA IQ Quiescent Current IOUT=0 mA 65 100 μA RON On Resistance VIN=5.0 V, IOUT=1 A 70 100 mΩ VIN=3.7 V, IOUT=1 A 75 105 VIH ONB Input Logic HIGH Voltage VIN=3.5 V to 5.5 V 1.15 V VIL ONB Input Logic LOW Voltage VIN=3.5 V to 5.5 V 0.65 V VIL_FLAG FLAGB Output Logic LOW Voltage VIN=5 V, ISINK=10 mA 0.1 0.2 V VIN=3.5 V, ISINK=10 mA 0.15 0.30 IFLAGB_LK FLAGB Output HIGH Leakage Current VIN=5 V, Switch On 1 μA ION ONB Input Leakage 0 V to VIN 1.0 μA RON_PD Pull-Down Resistance at ONB Pin VIN=3.5~5.5 V, VON=HIGH, TA=-40 to 85°C 14 MΩ RPD Output Discharge RPULL_DOWN VIN=3.5 V, VON=0 V, IFORCE=20 mA, TA=-40 to 85°C 100 Ω Over-Voltage Protection VOVP_TRIP Input OVP Lockout VIN Rising Threshold 5.60 5.80 6.00 V VIN Falling Threshold 5.50 VOVP_HYS Input OVP Hysteresis 0.3 V tOVP Response Time IOUT=0.5 A, CL=1 µF, TA=25°C, VIN=5.5 V to 6.0 V 1 μs Over-Current Protection ILIM Current Limit VIN=5 V, RSET = 2100 Ω, VOUT >1.68V with with 10% Accuracy 450 500 550 mA VIN=5 V, RSET = 1070 Ω, VOUT >1.68 V with 10% Accuracy 900 1000 1100 VUVLO Under-Voltage Lockout VIN Increasing 3.2 V VIN Decreasing 3.0 VUVLO_HYS UVLO Hysteresis 200 mV VT_RCB RCB Protection Trip Point VOUT - VIN 50 mV VR_RCB RCB Protection Release Trip Point VIN - VOUT 50 mV Continued on the following page…
Unless otherwise noted; VIN=3.5 to 5.5 V, TA=-40 to +85°C; typical values are at VIN=5 V and TA=25°C.
- This parameter is guaranteed by design and characterization; not production tested.
- tDON/tDOFF/tR/tF are defined in Figure 5 below.
Figure 5. Timing Diagram
the device in the case of a VOUT short. signals the fault by activating LOW. temperature drops below the threshold temperature. threshold releases the lockout and enables the switch. whether the load switch is on or off. the die drops below the threshold temperature. Table 1. Current Limit Settings by RSET(8)
- Table values based on 1% tolerance resistor.
with minimizing the case-to-ambient thermal impedance.
© 2012 Fairchild Semiconductor Corporation www.fairchildsemi.com FPF2496 • Rev. 1.11 8 FPF2496 — IntelliMAX™ 28 V Over-Voltage, Over-Current Protection Load Switch with Adjustable Current Limit Control Physical Dimensions Product-Specific Dimensions Product D E X Y FPF2496 1210 µm ±30 µm 1210 µm ±30 µm 205 µm 205 µm 0.03 C B A 0.03 C 0.208±0.021 0.378±0.018 D C 0.06 C 0.05 C PIN A1 INDEX AREA NOTES: A. NO JEDEC REGISTRATION APPLIES. B. DIMENSIONS ARE IN MILLIMETERS. C. DIMENSIONS AND TOLERANCE PER ASMEY14.5M, 1994. D. DATUM C IS DEFINED BY THE SPHERICAL CROWNS OF THE BALLS. E. PACKAGE NOMINAL HEIGHT IS 586 MICRONS ±39 MICRONS (547-625 MICRONS). F. FOR DIMENSIONS D, E, X, AND Y SEE PRODUCT DATASHEET. G. DRAWING FILNAME: MKT-UC009ABrev2 F F E E D A1 Ø0.20 Cu Pad Ø0.30 Solder Mask 0.40 0.40 SIDE VIEWS Ø0.260±0.020 9X0.40 0.40 (X)±0.018 (Y)±0.018 A B C 1 2 3 BOTTOM VIEW TOP VIEW 0.625 0.547 SEATING PLANE LAND PATTERN RECOMMENDATION (NSMD PAD TYPE)
© 2012 Fairchild Semiconductor Corporation www.fairchildsemi.com FPF2496 • Rev. 1.11 9 FPF2496 — IntelliMAX™ 28 V Over-Voltage, Over-Current Protection Load Switch with Adjustable Current Limit Control