Datasheet Details
- Part number
- SC1578
- Manufacturer
- Semtech Corporation
- File Size
- 130.52 KB
- Datasheet
- SC1578_SemtechCorporation.pdf
- Description
- HIGH-EFFICIENCY STEP-DOWN DC-DC CONVERTER
SC1578 Description
HIGH-EFFICIENCY STEP-DOWN DC-DC CONVERTER January 29, 1998 SC1578 TEL:805-498-2111 FAX:805-498-3804 WEB:http://www.semtech.com .
The SC1578 is a high performance step-down DC-DC converter, designed to drive an external P-channel MOSFET to generate programmable output voltages.
SC1578 Features
* 4V to 24V input voltage operation.
* High efficiency (up to 95%).
* Low quiescent current at 90µA.
* Pulse-skipping and pulse-frequency modulation.
* Inputs-uncommitted current sense comparator.
* Duty cycle adjustable
* 90kHz to 280kHz oscil
SC1578 Applications
* Notebook 5V/3.3V main power
* Step-down DC-DC converter module.
* Constant current source for battery chargers. BLOCK DIAGRAM
ORDERING INFORMATION
DEVICE
(1)
PACKAGE SO-8
SC1578CS Note: (1) Add suffix ‘TR’ for tape and reel. PIN CONFIGURATION
ABSOLUTE MAXIMUM RATINGS
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