CP3800 Datasheet, PDF (1/19 Pages) Ceramate Technical – Switching Regulator Power Controller

CP3800
Switching Regulator Power Controller
Features
General Description
• Wide supply voltage operating range: 1.8 to13 V The CP3800 is a single-channel switching
• Low current consumption: Typically 5.5 mA regulator control IC for low voltage applications
in operation, 1 µA or less in stand-by
incorporating a soft start function and short circuit
• High speed operation is possible: Maximum
detection function. The device has a low minimum
1 MHz
operating voltage of 1.8 V and is ideal for the
• The error amplifier gain is set inside the IC,
power supply of battery-operated electronic
so peripheral components are minimized.
equipment.
• Incorporates a soft start circuit.
• Incorporates a timer-latch type short circuit
The 3800 can be operated on two types: non-
detection circuit (SCP).
insulated input/output choppers (step-up, step-
• Totem-pole type output with adjustable on/off down , and insulated input/output converters (fly-
current (for NPN transistors)
back). The former type is used for DC/DC
• Incorporates a stand-by function.
converters and the latter type is used for DC/DC
converts and line-operation-type power supplies.
Applications
• Power source for battery-powered equipment
• Power source for cameras, camcorders, VCRs,
PDAs, electronic data banks, and hand-held
Communication equipment
Block Diagram
* All specs and applications shown above subject to change without prior notice.
1F-5 NO.66 SEC.2 NAN-KAN RD ., LUCHU , TAOYUAN, TAIWAN
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Rev 1.0 Mar.31,2003