L5970D - ST Microelectronics

The pictures are for reference only, and the specific specifications can be found in the product manual.

Part No

L5970D
Manufacturer

ST Microelectronics
ChipWorker Part#

CW2329833
Category

DC to DC Converter
Package

SOIC-8
Description

Conv DC-DC 4.4V to 36V Step Down Single-Out 1.2V to 35V 1A 8Pin SO N Tube
Documentation

Datasheet

L5970D Global Supplier

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L5970D Specifications

Attribute	Attribute Value

Part Number	L5970D
Manufacturer	ST Microelectronics
ChipWorker Part#	CW2329833
Category	DC to DC Converter
Documentation	Datasheet
Mounting Style	Surface Mount
Number of Pins	8 Pin
Case/Package	SOIC-8
Frequency	250 kHz
Number of Outputs	1 Output
Output Voltage	1.2V ~ 35V
Output Current	1 A
Number of Positions	8 Position
Quiescent Current	2.5 mA
Switching Frequency	280 kHz
Topology	Buck
Input Voltage (Max)	36 V
Input Voltage (Min)	4.4 V
Output Voltage (Max)	35 V
Output Voltage (Min)	1.2 V
Output Current (Max)	1 A
Operating Temperature (Max)	150 ℃
Operating Temperature (Min)	-40 ℃
Supply Voltage	4.4 V
Input Voltage	4.4V ~ 36V
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Size-Length	5 mm
Size-Width	4 mm
Size-Height	1.25 mm
Operating Temperature	-40℃ ~ 150℃ (TJ)
Product Lifecycle Status	Active
Packaging	Tube
RoHS	RoHS Compliant
Lead-Free Status	Contains Lead
REACH SVHC Compliance	No SVHC
REACH SVHC Compliance Edition	2015/12/17
ECCN Code	EAR99

Product Description

The L5970D is a Step-down Monolithic Power Switching Regulator IC capable to deliver up to 1A at output voltages from 1.2 to 35V. The device uses an internal P-channel D-MOS transistor (with a typical Rdson of 250mR) as switching element to minimize the size of the external components. Pulse by pulse current limit with the internal frequency modulation offers an effective constant current short circuit protection.
3.3V/(±2%) Reference voltage
Operating input voltage from 4.4 to 36V
100% Duty cycle low dropout operation
250kHz Internally fixed frequency
Voltage feed forward
Zero load current operation
Internal current limiting
Inhibit for zero current consumption
Synchronization
Protection against feedback disconnection
Thermal shutdown

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