TPS53211

Name: TPS53211
Brand: TI
SKU: TPS53211
Price: 0.67 USD

現行

具輕負載效率的 1.5-V 至 19-V 單相 PWM 降壓控制器

立即訂購

產品規格表

document-pdfAcrobat Single Phase PWM Controller with Light-Load Efficiency Optimization datasheet (Rev. A) (英文)

TPS53211

現行

產品規格表

立即訂購

產品詳細資料

Rating

Catalog

Topology

Buck

Iout (max) (A)

Vin (max) (V)

Vin (min) (V)

4.5

Vout (max) (V)

9.8

Vout (min) (V)

0.8

Control mode

Voltage mode

Features

Enable, Light-load efficiency, Power good, Prebias startup, Synchronous rectification

Operating temperature range (°C)

-40 to 85

Iq (typ) (µA)

400

Duty cycle (max) (%)

Number of phases

Rating

Catalog

Topology

Buck

Iout (max) (A)

Vin (max) (V)

Vin (min) (V)

4.5

Vout (max) (V)

9.8

Vout (min) (V)

0.8

Control mode

Voltage mode

Features

Enable, Light-load efficiency, Power good, Prebias startup, Synchronous rectification

Operating temperature range (°C)

-40 to 85

Iq (typ) (µA)

400

Duty cycle (max) (%)

Number of phases

VQFN (RGT)

9 mm² 3 x 3

1.5-V to 19-V Conversion Voltage Range
4.5-V to 14-V Supply Voltage Range
Voltage Mode Control
Skip Mode at Light Load for Efficiency Optimization
High Precision 0.5% Internal 0.8-V Reference
Adjustable Output Voltage from 0.8 V to 0.7×V_IN
Internal Soft-Start
Supports Pre-biased Startup
Supports Soft-Stop
Programmable Switching Frequency from
250 kHz to 1 MHz
Overcurrent Protection
Inductor DCR Sensing for Overcurrent
R_DS(on) Sensing for Zero Current Detection
Overvoltage and Undervoltage Protection
Open Drain Power Good Indication
Internal Bootstrap Switch
Integrated High-Current Drivers Powered by VCCDR
Small 3 mm x 3 mm, 16-Pin QFN Package

1.5-V to 19-V Conversion Voltage Range
4.5-V to 14-V Supply Voltage Range
Voltage Mode Control
Skip Mode at Light Load for Efficiency Optimization
High Precision 0.5% Internal 0.8-V Reference
Adjustable Output Voltage from 0.8 V to 0.7×V_IN
Internal Soft-Start
Supports Pre-biased Startup
Supports Soft-Stop
Programmable Switching Frequency from
250 kHz to 1 MHz
Overcurrent Protection
Inductor DCR Sensing for Overcurrent
R_DS(on) Sensing for Zero Current Detection
Overvoltage and Undervoltage Protection
Open Drain Power Good Indication
Internal Bootstrap Switch
Integrated High-Current Drivers Powered by VCCDR
Small 3 mm x 3 mm, 16-Pin QFN Package

TPS53211 is a single phase PWM controller with integrated high-current drivers. It is used for 1.5 V up to 19 V conversion voltage.

TPS53211 features a skip mode solution that optimizes the efficiency at light load condition without compromising the output voltage ripple. The device provides pre-biased startup, soft-stop, integrated bootstrap switch, power good function, EN/Input UVLO protection. It supports conversion voltages up to 19 V, and output voltages adjustable from 0.8 V to 0.7×V_IN.

The TPS53211 is available in the 3 mm × 3 mm, 16-pin, QFN package (Green RoHs compliant and Pb free) and is specified from –40°C to 85°C.

TPS53211 is a single phase PWM controller with integrated high-current drivers. It is used for 1.5 V up to 19 V conversion voltage.

The TPS53211 is available in the 3 mm × 3 mm, 16-pin, QFN package (Green RoHs compliant and Pb free) and is specified from –40°C to 85°C.

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檢視所有 3

	類型	標題		日期
*	Data sheet	Single Phase PWM Controller with Light-Load Efficiency Optimization datasheet (Rev. A)		2012年 9月 17日
	Application note	MOSFET Selection with the TPS53211	PDF \| HTML	2022年 12月 16日
	Selection guide	Power Management Guide 2018 (Rev. R)		2018年 6月 25日