TPS65708

更新时间： 2024-11-15 11:58:27

品牌	Logo	应用领域
德州仪器 - TI		/
页数	文件大小	规格书
22页	2319K
描述
PMU for Embedded Camera Module

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数据手册

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TPS65708 数据手册

TPS65708

www.ti.com

SLVSAE1A –OCTOBER 2010–REVISED FEBRUARY 2011

PMU for Embedded Camera Module

Check for Samples: TPS65708

FEATURES

DESCRIPTION

•

Two 400mA Step-Down Converters

Up to 95% Efficiency

TPS65708 is a power management unit targeted for

embedded camera modules or other portable

low-power consumer end equipment. It contains two

high-efficiency step-down converters, two low-dropout

linear regulators, and a 7.5mA current sink for driving

a LED. The 2.25MHz step-down converter enters a

low-power mode at light load for maximum efficiency

across the widest possible range of load currents. For

low-noise applications, the devices can be forced into

fixed frequency PWM mode using the MODE pin. The

device allows the use of small inductors and

V_INRange for DCDC Converters From

3.6V to 6V

•

2.25MHz Fixed Frequency Operation

Power Save Mode at Light Load Current

Output Voltage Accuracy in PWM mode ±1.5%

100% Duty Cycle for Lowest Dropout

180° Out of Phase Operation

2 General Purpose 200mA LDOs

capacitors to achieve

small solution size.

LDOs Optionally Powered From Step-Down

Converters

TPS65708 provides an output current of up to 400mA

on both DCDC converters and up to 200mA on each

of the LDOs. The enable signal to the dcdc

converters and LDOs is generated internally by the

undervoltage lockout circuit.

•

7.5mA PWM Dimmable Current Sink

Available in a 16-Ball WCSP with 0.5mm Pitch

APPLICATIONS

The TPS65708 comes in a small 16-ball wafer

chip-scale package (WCSP) with 0.5mm ball pitch.

•

Monitors

Laptops

Handheld Equipment

APPLICATION CIRCUIT

TPS65708

VCC

VIN1

1.5 mH

Vout1

DCDC1

400 mA

10 mF

FB1

PGND1

MODE

VIN2

1.5 mH

Vout2

DCDC2

400 mA

10 mF

FB2

PGND2

VLDO1

Vout3

2.2 mF

VINLDO1

LDO1

200 mA

VLDO2

Vout4

2.2 mF

VINLDO2

PWM

LDO2

200 mA

V(USB)

ISINK

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.

Products conform to specifications per the terms of the Texas

Instruments standard warranty. Production processing does not

necessarily include testing of all parameters.

12 3 4 5 6 7...22

中文翻译

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与TPS65708相关器件

型号	品牌	获取价格	描述	数据表
TPS65708_15	TI	获取价格	PMU for Embedded Camera Module
TPS65708YZHR	TI	获取价格	PMU for Embedded Camera Module
TPS65708YZHT	TI	获取价格	PMU for Embedded Camera Module
TPS657095	TI	获取价格	嵌入式摄像机模块 PMIC
TPS657095YFFR	TI	获取价格	嵌入式摄像机模块 PMIC \| YFF \| 16 \| -40 to 85
TPS657095YFFT	TI	获取价格	嵌入式摄像机模块 PMIC \| YFF \| 16 \| -40 to 85
TPS657120	TI	获取价格	射频前端电源管理 IC (PMIC)
TPS657120YFFR	TI	获取价格	射频前端电源管理 IC (PMIC) \| YFF \| 30 \| -40 to 85
TPS657120YFFT	TI	获取价格	RF frontend Power Management IC (PMIC) 30-DSBGA -40 to 85
TPS65720	TI	获取价格	PMU for Bluetooth Headsets

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