TPS76815 Datasheet

IC型号：
TPS76815
PDF描述：
微功耗低压降 (LDO) 稳压器
文件大小：
356.00KB
PDF页数：
22页
芯片厂家：
TI

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TPS76815Q, TPS76818Q, TPS76825Q

TPS76827Q, TPS76828Q, TPS76830Q

TPS76833Q, TPS76850Q, TPS76801Q

SLVS211J 鈥?JUNE 1999 鈥?REVISED OCTOBER 2004

www.ti.com

DESCRIPTION (CONTINUED)

Because the PMOS device behaves as a low-value resistor, the dropout voltage is very low (typically 230 mV at

an output current of 1 A for the TPS76850) and is directly proportional to the output current. Additionally, since

the PMOS pass element is a voltage-driven device, the quiescent current is very low and independent of output

loading (typically 85 碌A over the full range of output current, 0 mA to 1 A). These two key specifications yield a

significant improvement in operating life for battery-powered systems. This LDO family also features a sleep

mode; applying a TTL high signal to EN (enable) shuts down the regulator, reducing the quiescent current to less

than 1 碌A at T

= 25掳C.

Power good (PG) is an active high output, which can be used to implement a power-on reset or a low-battery

indicator.

The TPS768xx is offered in 1.5-V, 1.8-V, 2.5-V, 2.7-V, 2.8-V, 3.0-V, 3.3-V, and 5.0-V fixed-voltage versions and

in an adjustable version (programmable over the range of 1.2 V to 5.5 V). Output voltage tolerance is specified

as a maximum of 2% over line, load, and temperature ranges. The TPS768xx family is available in 8-pin SOIC

and 20-pin PWP packages.

AVAILABLE OPTIONS

OUTPUT VOLTAGE (V)

TYP

5.0

3.3

3.0

2.8

40掳C to 125掳C

2.7

2.5

1.8

1.5

Adjustable 1.2 V to 5.5 V

(1)

TSSOP (PWP)

TPS76850Q

TPS76833Q

TPS76830Q

TPS76828Q

TPS76827Q

TPS76825Q

TPS76818Q

TPS76815Q

TPS76801Q

PACKAGED DEVICES

(1)

SOIC (D)

TPS76850Q

TPS76833Q

TPS76830Q

TPS76828Q

TPS76827Q

TPS76825Q

TPS76818Q

TPS76815Q

TPS76801Q

The TPS76801 is programmable using an external resistor divider (see application information). The D and PWP packages are available

taped and reeled. Add an R suffix to the device type (e.g., TPS76801QDR).

TPS768xx

OUT

0.1

碌F

GND

OUT

鈥?/div>

碌F

鈥?/div>

See application information section for capacitor selection details.

Figure 1. Typical Application Configuration (For Fixed Output Options)

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