STMicroelectronics, Voltage Regulator 5.5V SOT-23 5-Pin

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RS Stock No.:
188-9202
Mfr. Part No.:
LDK120M33R
Manufacturer:
STMicroelectronics
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Brand

STMicroelectronics

Product Type

Voltage Regulator

Package Type

SOT-23

Mount Type

Surface

Quiescent Current

100μA

Pin Count

5

Height

1.3mm

Series

LDK120

Width

1.6 mm

Length

2.95mm

Standards/Approvals

No

Maximum Input Voltage

5.5V

Maximum Operating Temperature

125°C

Minimum Input Voltage

1.9V

Automotive Standard

No

The LDK120 low drop voltage regulator provides 200 mA of maximum current from an input supply voltage in the range of 1.9 V to 5.5 V, with a typical dropout voltage of 100 mV. It is stabilized with a ceramic capacitor on the output. The very low drop voltage, low quiescent current and low noise features make it suitable for low power battery-powered applications. An enable logic control function puts the LDK120 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.

Input voltage from 1.9 to 5.5 V

Very low dropout voltage (100 mV typ. at 100 mA load)

Low quiescent current (max. 100 μA, 1 μA in OFF mode)

Very low noise

Output voltage tolerance: ± 2.0% @ 25 °C

200 mA guaranteed output current

Wide range of fixed output voltages available on request: from 0.8 V to 3.5 V with 100 mV step

Adjustable version: from 0.8 V to VIN-Vdrop

Logic-controlled electronic shutdown

Compatible with ceramic capacitor COUT= 1 μF

Internal current and thermal limit

Available in SOT23-5L, SOT323-5L and DFN6 (1.2 x 1.3 mm) packages

Temperature range: -40 °C to 125 °C

Applications

Mobile phones

Personal digital assistants (PDAs)

Cordless phones and similar battery-powered systems

Digital still cameras

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