STMicroelectronics L5970D013TR, 5-Channel Switching, Buck Converter, 1 A, 1.2V, 35 V 275 kHz, SOIC 8-Pin

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Packaging Options:
RS Stock No.:
714-0638
Mfr. Part No.:
L5970D013TR
Brand:
STMicroelectronics
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Brand

STMicroelectronics

Product Type

Buck Converter

Regulator Type

Switching

Output Voltage

1.2, 35V

Number of Outputs

5

Switching Frequency

275kHz

Line Regulation

10 mV

Load Regulation

15 mV

Mount Type

Surface Mount

Package Type

SOIC

Quiescent Current

2.5mA

Pin Count

8

Output Current

1A

Output Type

Adjustable

Switching Regulator

Yes

Height

1.25mm

Series

L5970

Length

5mm

Standards/Approvals

RoHS

Width

4mm

Minimum Input Voltage

4.4V

Minimum Operating Temperature

-40°C

Maximum Operating Temperature

150°C

Maximum Input Voltage

36V

Automotive Standard

No

Up to 1 A step down switching regulator


The L5970D is a step down monolithic power switching regulator capable to deliver up to 1A at output voltages from 1.2V to 35V.

The device uses an internal P-Channel D-MOS transistor (with a typical Rdson of 250mΩ) as switching element to minimize the size of the external components.

An internal oscillator fixes the switching frequency at 250KHz.

Having a minimum input voltage of 4.4V only, it is particularly suitable for 5V bus, available in all computer related applications.

Pulse by Pulse current limit with the internal frequency modulation offers an effective constant current short circuit protection.

Key features


  • Inhibit for zero current consumption

  • Internal current limiting

  • Protection against feedback disconnection

  • Synchronization

  • Thermal shutdown

  • Voltage feedforward

  • 250KHz Internally fixed frequency

  • Up to 1A output current

  • 3.3V / (±2%) reference voltage

  • Operating input voltage from 4.4V to 36V

  • Low dropout operation: 100% duty cycle

  • Zero load current operation

  • Output voltage adjustable from 1.2V to 35V

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