NJU7640 Step-Down switching regulator IC

JRC

Description

NJU7640 Step-Down switching regulator IC with Over Current Protection * GENERAL .
The NJU7640 is a low voltage operation high-speed switching regulator control IC for step-down converter, with a pulse-by-pulse over-current protectio.

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NJU7640 Datasheet Preview — Preview of NJU7640 PDF

Datasheet Specifications

Part number: NJU7640
Manufacturer: JRC
File Size: 162.01 KB
Datasheet: NJU7640_JRC.pdf
Description: Step-Down switching regulator IC

Features

* PWM switching control
* Pulse-by-pulse over current protection
* Operating Voltage 2.2V to 8V
* Wide Oscillator Range 300kHz to 1MHz
* Maximum Duty Cycle 100%
* Quiescent Current 800µA typ.
* Soft-Start Function Internal : 16ms typ. or adjustable
* Dead T

Applications

* Step-Down Converter RSC VIN CIN C FET L SBD COUT NJU7640 1 OUT GND 8 2 V+ RT 7 3 FB DTC 6 CNF RNF 4 IN- SENSE 5 RT RDTC CS NJU7640 VOUT R2 R1 Ver.2012-08-03 -5- NJU7640
* TYPICAL CHARACTERISTICS Oscillation Frequency vs. Timing Resistance 1000 (V+=3.3V, Ta=25oC) Oscillation

NJU7640 Distributors

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NJU7640 Step-Down switching regulator JRC

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