Datasheet > TPS7A02_V09

TPS7A02_V09

更新时间： 2024-02-25 13:21:42

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德州仪器 - TI		/
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43页	3228K
描述
TPS7A02 Nanopower IQ, 25-nA, 200-mA, Low-Dropout Voltage Regulator With Fast Transient Response

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TPS7A02

SBVS277B –JULY 2019–REVISED MARCH 2020

TPS7A02 Nanopower I_Q, 25-nA, 200-mA, Low-Dropout Voltage Regulator With Fast

Transient Response

1 Features

3 Description

The TPS7A02 is an ultra-small, ultra-low quiescent

current low-dropout linear regulator (LDO) that can

source 200 mA with excellent transient performance.

•

Ultra-low I_Q: 25 nA (typ), even in dropout

Shutdown I_Q: 3 nA (typ)

•

Excellent transient response (1 mA to 50 mA)

The TPS7A02, with an ultra-low I_Qof 25 nA, is

designed specifically for applications where very-low

quiescent current is a critical parameter. This device

maintains low I_Qconsumption even in dropout mode

to further increase the battery life. When in shutdown

or disabled mode, the device consumes ultra-low,

3-nA I_Qthat helps increase the shelf life of the

battery. The TPS7A02 has an output range of 0.8 V

to 5.0 V available in 50-mV steps to support the lower

core voltages of modern microcontrollers (MCUs).

–

< 10-µs settling time

100-mV undershoot

•

Packages:

–

1.0-mm × 1.0-mm X2SON

SOT23-5

0.64-mm x 0.64-mm DSBGA (preview)

•

Input voltage range: 1.5 V to 6.0 V

Output voltage range: 0.8 V to 5.0 V (fixed)

Output accuracy: 1.5% over temperature

Smart enable pulldown

The TPS7A02 features a smart enable circuit with an

internally controlled pulldown resistor that keeps the

LDO disabled even when the EN pin is left floating

and helps minimize the external components used to

pulldown the EN pin. This circuit also helps minimize

the current drawn through the external pulldown

circuit when the device is enabled.

Very low dropout:

–

270 mV (max) at 200 mA (V_OUT= 3.3 V)

•

Stable with a 1-µF or larger capacitor

The TPS7A02 is fully specified for T_J= –40°C to

+125°C operation.

2 Applications

•

Wearables electronics

Device Information⁽¹⁾

Thermostats, smoke and heat detectors

Gas, heat, and water meters

PART NUMBER

PACKAGE

BODY SIZE (NOM)

1.00 mm × 1.00 mm

0.64 mm × 0.64 mm

2.90 mm × 1.60 mm

X2SON (4)

Blood glucose monitors and pulse oximeters

Residential circuit breakers and fault indicators

Building security and video surveillance devices

EPOS card readers

TPS7A02

DSBGA (4)⁽²⁾

SOT-23 (5)

(1) For all available packages, see the package option addendum

at the end of the data sheet.

(2) Preview package.

Load Transient Response

(V_IN= V_OUT+ 1 V, C_OUT= 1 µF,

I_OUT= 1 mA to 50 mA in 1 µs)

Ground Current Efficiency vs Output Current

102

100

400

350

300

250

200

150

100

250

200

150

100

-50

-100

-150

-200

-250

-300

-350

-50

T_J

-100

-150

-200

-55°C

-40°C

0°C

25°C

85°C

125°C

140°C

100

V_OUT

I_OUT

0.001

0.01

0.1 1

Output Current (mA)

-200 -100

100 200 300 400 500 600 700 800

Time (µs)

Curr

An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications,

intellectual property matters and other important disclaimers. PRODUCTION DATA.

12 3 4 5 6 7...43

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与TPS7A02_V09相关器件

型号	品牌	获取价格	描述	数据表
TPS7A02_V10	TI	获取价格	TPS7A02 Nanopower IQ, 25-nA, 200-mA, Low-Dropout Voltage Regulator With Fast Transient Res
TPS7A02_V11	TI	获取价格	TPS7A02 Nanopower IQ, 25-nA, 200-mA, Low-Dropout Voltage Regulator With Fast Transient Res
TPS7A0210PDQNR	TI	获取价格	具有使能功能的 200mA、毫微功耗 IQ (25nA)、低压降 (LDO) 稳压器 \|
TPS7A0212PDBVR	TI	获取价格	具有使能功能的 200mA、毫微功耗 IQ (25nA)、低压降 (LDO) 稳压器 \|
TPS7A0212PYCHR	TI	获取价格	TPS7A02 Nanopower IQ, 25-nA, 200-mA, Low-Dropout Voltage Regulator With Fast Transient Res
TPS7A0215PDBVR	TI	获取价格	具有使能功能的 200mA、毫微功耗 IQ (25nA)、低压降 (LDO) 稳压器 \|
TPS7A0215PDQNR	TI	获取价格	具有使能功能的 200mA、毫微功耗 IQ (25nA)、低压降 (LDO) 稳压器 \|
TPS7A02175PYCHR	TI	获取价格	TPS7A02 Nanopower IQ, 25-nA, 200-mA, Low-Dropout Voltage Regulator With Fast Transient Res
TPS7A02185PDQNR	TI	获取价格	具有使能功能的 200mA、毫微功耗 IQ (25nA)、低压降 (LDO) 稳压器 \|
TPS7A0218DBVR	TI	获取价格	具有使能功能的 200mA、毫微功耗 IQ (25nA)、低压降 (LDO) 稳压器 \|

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