TPS562231 Texas instruments

TPS562231

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TPS562231

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Описание

The TPS562231 is a simple, easy-to-use, 2-A synchronous step-down converter in SOT563 package.The device is optimized to operate with minimum external component counts, and also optimized to achieve low standby current.These switch mode power supply (SMPS) devices employ D-CAP3 mode control providing a fast transient response and supporting both low-equivalent series resistance (ESR) output capacitors such as specialty polymer and ultra-low ESR ceramic capacitors with no external compensation components.During light load operation, TPS562231 operates in pulse skip mode (PSM), which maintains high efficiency. The TPS562231 is available in a 6-pin 1.6-mm × 1.6-mm SOT563 (DRL) package, and specified from a –40°C to 125°C junction temperature.

2-A converter integrated 95-mΩ and 55-mΩ FETs
D-CAP3™ Mode Control with fast transient response
Input voltage range: 4.5 V to 17 V
Output voltage range: 0.6 V to 7 V
Pulse skip mode
850-kHz switching frequency
Low shutdown current less than 2 µA (typical)
2% feedback voltage accuracy (25ºC)
Startup from pre-biased output voltage
Cycle-by-cycle over current limit
Hiccup-mode over current protection
Non-latch UVP and TSD protections
6-pin SOT563 package
Precision enable
Pin-to-pin compatible with TPS563231

Vin (min) (V)	4.5
Vin (max) (V)	17
Vout (min) (V)	0.6
Vout (max) (V)	7
Iout (max) (A)	2
Iq (typ) (mA)	0.22
Switching frequency (min) (kHz)	850
Switching frequency (max) (kHz)	850
Features	Light Load Efficiency, Over Current Protection, Soft Start Fixed, UVLO Fixed
Operating temperature range (°C)	-40 to 125
Rating	Catalog
Regulated outputs (#)	1
Control mode	D-CAP3
Duty cycle (max) (%)	85
Type	Converter