LDCL015XX datasheet(1/16 Pages) STMICROELECTRONICS

Part #	LDCL015XX

Description	150 mA capless ultra low drop linear regulator ICs

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Manufacturer	STMICROELECTRONICS [STMicroelectronics]

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September 2011

Doc ID 022166 Rev 2

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LDCL015XX

LDCL015XX33

150 mA capless ultra low drop linear regulator ICs

Features

■ No input or output capacitor required

■ Input voltage from 1.8 V to 5.5 V

■ Very low drop: 50 mV at 100 mA load

■ ± 2% output voltage accuracy

■ Output voltage tolerance: ± 3%

■ Low noise

■ 150 mA guaranteed output current

■ Available in fixed and adjustable output

voltages, from 0.8 V in 100 mV steps

■ Internal current and thermal limit

■ Operating temperature range: - 40 °C to 125 °C

■ SOT23 5-lead package

Applications

■ Space-sensitive applications

■ Battery-powered equipment

■ Cordless and mobile phones

■ Industrial and medical equipment

■ Portable equipment

Description

The LDCL015 provides 150 mA of maximum

current from an input voltage ranging from 1.8 V

to 5.5 V, with a typical dropout voltage of 50 mV. It

is stable with no input or output capacitor. Low

quiescent current, low noise and capless

operation make it suitable for low power battery-

powered applications and allows the reduction of

board size. Typical power supply rejection ratio is

52 dB at low frequencies, and starts to roll off at

10 kHz. The Enable logic control function puts the

LDCL015 in shutdown mode, reducing the total

current consumption to less than 1 µA. The

device also includes short-circuit constant current

limit and thermal protection. Typical applications

are mobile phones, personal digital assistants

and similar battery-powered systems.

SOT23-5L

Table 1.

Device summary

Part numbers

Markings

Order codes

Output voltages

LDCL015XX33

CL33

LDCL015M33R

3.3 V

LDCL015XX

CLAD

LDCL015MR

Adjustable from 0.8

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