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TPS22930 Datasheet(PDF) 1 Page - Texas Instruments |
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TPS22930 Datasheet(HTML) 1 Page - Texas Instruments |
1 / 19 page Power Supply ON OFF TPS22930 VIN VOUT RL CL GND ON GND CIN TPS22930 www.ti.com SLVSBL3 – NOVEMBER 2012 ULTRA SMALL, LOW RESISTANCE LOAD SWITCH Check for Samples: TPS22930 1 FEATURES DESCRIPTION The TPS22930 is a small, low RON load switch with • Integrated Single Channel Load Switch controlled turn on. The device contains a P-channel • Ultra Small CSP-4 Package (0.9mm × 0.9mm, MOSFET that can operate over an input voltage 0.5mm pitch) range of 1.4V to 5.5V. The switch is controlled by an • Input Voltage Range: 1.4V to 5.5V on/off input (ON), which is capable of interfacing directly with low-voltage control signals. The • Ultra Low RON Resistance TPS22930 is active high enable. – RON = 35mΩ at VIN = 5V The TPS22930 device provides circuit breaker – RON = 36mΩ at VIN = 3.6V functionality by disabling the body diode during – RON = 49mΩ at VIN = 1.8V reverse voltage (also known as reverse current) • 2A Maximum Continuous Switch Current situations. Reverse current protection is active only when the power-switch is disabled (off). The device • Low Quiescent Current (< 3µA) disengages the body diode when the output voltage • Low Control Input Threshold Enables Use of (VOUT) is driven higher than the input (VIN) to stop the 1.2V/1.8V/2.5V/3.3V Logic flow of current towards the input side of the switch. Additionally, under-voltage lockout (UVLO) protection • Controlled Slew Rate turns the switch off if the input voltage is too low. • Under Voltage Lockout The slew rate of the device is internally controlled in • Reverse Current Protection When Disabled order to avoid inrush current. APPLICATIONS The TPS22930 is available in an ultra-small, space- saving 4-pin CSP package and is characterized for • Smartphone / Wireless Handsets operation over the free-air temperature range of • Portable Industrial / Medical Equipment –40°C to 85°C. • Portable Media Players • Point of Sales Terminals • GPS Navigation Devices • Digital Cameras • Portable Instrumentation Figure 1. Typical Application Feature List RON (typ) at Rise Time at Quick Output Maximum Device Enable 4.2V 4.2V (typ) Discharge(1) Continuous Current TPS22930A 35m Ω 5.4µs No 2A Active High (1) This feature discharges output of the switch to GND through a resistor, preventing the output from floating when the pass FET is disabled 1 Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet. PRODUCTION DATA information is current as of publication date. Copyright © 2012, Texas Instruments Incorporated Products conform to specifications per the terms of the Texas Instruments standard warranty. Production processing does not necessarily include testing of all parameters. |
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