Datasheet > TPPM0125DVB

TPPM0125DVB

更新时间： 2024-11-04 23:37:19

品牌	Logo	应用领域
其他 - ETC		稳压器
页数	文件大小	规格书
13页	203K
描述
Positive Fixed Voltage Regulator

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TPPM0125DVB 数据手册

TPPM0125

150-mA LOW DROPOUT REGULATOR WITH POK

SLVS388 – JULY 2001

DBV PACKAGE

(TOP VIEW)

features

Low Dropout Voltage Regulator, 1.2-V

150-mA Load Current Capability

Power Okay (POK) Function

GND

Load Independent, Low Ground

Current,150-µA

POK

Current Limiting

Thermal Shutdown

Low Sleep State Current (Off Mode)

Fast Transient Response

Low Variation Due to Load and Line

Regulation

Output Stable With Low ESR Capacitors

TTL Logic Controlled Enable Input

applications

Processor Powerup Sequencing

Palmtop Computers, Laptops, and

Notebooks

description

The TPPM0125 is a low dropout voltage regulator with an output tolerance of ±2% over the operating range.

The device is optimized for low noise applications and has a low quiescent current (enable <0.8 V). The device

has a low dropout voltage at full load (150 mA). The power okay function monitors the output voltage and

indicates when an error occurs in the system (active low). In the event of an output fault such as overcurrent,

thermal shutdown, or dropout, the power okay output is pulled low (open drain).

The TPPM0125 has a fast transient response recovery capability in the event of load transition from heavy load

to light load. The device also minimizes overshoot during this condition. During power down, the output

capacitor and load are de-energized through the internal active shutdown clamp, which is turned on when the

device is disabled.

The TPPM0125 requires a small output capacitor for stability with low ESR. An input capacitor is not required

unless the bulk ac capacitor is placed away from the device or the power supply is a battery. In this situation,

a 1-µF capacitor is recommended for the application. Low ESR ceramic capacitors may be used with the device

to reduce board space in power applications, a key concern in hand-held wireless devices.

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 Texas Instruments

standard warranty. Production processing does not necessarily include

testing of all parameters.

POST OFFICE BOX 655303 • DALLAS, TEXAS 75265

12 3 4 5 6 7...13

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与TPPM0125DVB相关器件

型号	品牌	获取价格	描述	数据表
TPPM0301	TI	获取价格	400-mA LOW-DROPOUT REGULATOR WITH AUXILIARY POWER MANAGEMENT
TPPM0301D	ETC	获取价格	Analog IC
TPPM0301DR	TI	获取价格	400-mA LOW-DROPOUT REGULATOR WITH AUXILIARY POWER MANAGEMENT
TPPM0301DRG4	TI	获取价格	400-mA LOW-DROPOUT REGULATOR WITH AUXILIARY POWER MANAGEMENT
TPPM0302	TI	获取价格	400-mA LOW-DROPOUT REGULATOR WITH AUXILIARY POWER MANAGEMENT AND POK
TPPM0302DGN	TI	获取价格	Analog IC
TPPM0302DGNG4	TI	获取价格	400-mA LOW-DROPOUT REGULATOR WITH AUXILIARY POWER MANAGEMENT AND POK
TPPM0302DGNR	TI	获取价格	Single Output LDO, 400mA, Fixed(3.3V), Selectable 3.3V or Dual 5V Input, Reverse Current B
TPPM0302DGNRG4	TI	获取价格	400-mA LOW-DROPOUT REGULATOR WITH AUXILIARY POWER MANAGEMENT AND POK
TPPM0303	TI	获取价格	250-mA LOW-DROPOUT REGULATOR WITH AUXILIARY POWER MANAGEMENT

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