LD39115J datasheet(1/21 Pages) STMICROELECTRONICS

Part #	LD39115J

Description	150 mA guaranteed output current

PDF	21 Pages

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Manufacturer	STMICROELECTRONICS [STMicroelectronics]

Direct Link	http://www.st.com

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This is information on a product in full production.

January 2014

DocID15527 Rev 6

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LD39115J

150 mA low quiescent current low noise voltage regulator

Datasheet

- production data

Features

• Input voltage from 1.5 to 5.5 V

• Ultra low dropout voltage (80 mV typ. at 100

mA load)

• Very low quiescent current (20 µA typ. at no

load, 35 µA typ. at 150 mA load, 1 µA max in off

mode)

• Very low noise (33 µVRMS from 1 kHz to 100

kHz at VOUT = 1.8 V)

• Output voltage tolerance: ± 2.0 % @ 25 °C

• 150 mA guaranteed output current

• Wide range of output voltages available on

request: 0.8 V to 4.5 V with 100 mV step

• Logic-controlled electronic shutdown

• Compatible with ceramic capacitor COUT = 1 µF

• Internal current and thermal limit

• Flip-chip 4 bumps 0.8 x 0.8 mm. pitch 0.4 mm

• Temperature range: -40 °C to 125 °C

Applications

• Mobile phones

• Personal digital assistants (PDAs)

• Cordless phones and similar battery-powered

systems

Description

The LD39115J provides 150 mA maximum

current from an input voltage ranging from 1.5 V

to 5.5 V with a typical dropout voltage of 80 mV. It

is stabilized with a ceramic capacitor. The ultra

low drop voltage, low quiescent current and low

noise features make it suitable for low power

battery-powered applications. Power supply

rejection is 65 dB at low frequencies and starts to

roll off at 10 kHz. An enable logic control function

puts the LD39115J in shutdown mode allowing a

total current consumption lower than 1 µA. The

device also includes a short-circuit constant

current limiting and thermal protection.

Flip-chip 4

Table 1. Device summary

Order codes

Output voltages

LD39115J10R

1 V

LD39115J12R

1.2 V

LD39115J14R

1.4 V

LD39115J15R

1.5 V

LD39115J18R

1.8 V

LD39115J25R

2.5 V

LD39115J28R

2.8 V

LD39115J30R

3.0 V

LD39115J33R

3.3 V

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