Part Number
|
ADP1821 |
Manufacturer
|
Analog Devices |
Description
|
Step-Down DC-to-DC Controller |
Published
|
Jan 14, 2007 |
Detailed Description
|
www.DataSheet4U.com
Step-Down DC-to-DC Controller ADP1821
FEATURES
Wide power-input voltage range: 1 V to 24 V Chip sup...
|
Datasheet
|
ADP1821
|
Overview
www.
DataSheet4U.
com
Step-Down DC-to-DC Controller ADP1821
FEATURES
Wide power-input voltage range: 1 V to 24 V Chip supply voltage range: 3 V to 5.
5 V Wide output voltage range: 0.
6 V to 85% of input voltage 1% accuracy, 0.
6 V reference voltage All N-channel MOSFET design for low cost Fixed-frequency operation 300 kHz, 600 kHz, or synchronized operation up to 1.
2 MHz No current sense resistor required Power-good output Programmable soft start with reverse current protection Soft start, thermal overload, current-limit protection Undervoltage lockout 10 μA shutdown supply current Small, 16-lead QSOP
GENERAL DESCRIPTION
The ADP1821 is a versatile and inexpensive, synchronous, pulse width-modu...
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