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DATA SHEET
BiCMOS INTEGRATED CIRCUIT
µ
PC1934
DC-DC CONVERTER CONTROL IC
DESCRIPTION
The
µ
PC1934 is an IC that controls a low-voltage input DC-DC converter. This IC is suitable for an operation with 3-V,
3.3-V input or a lithium ion secondary battery input, because the minimum operation supply voltage is 2.5 V. Because of
its wide operating voltage range, it can also be used to control DC-DC converters that use an AC adapter for input.
FEATURES
•
Low supply voltage: 2.5 V (MIN.)
•
Operating voltage range: 2.5 to 20 V (breakdown voltage: 30 V)
•
Timer latch circuit for short-circuit protection.
•
Ceramic capacitor with low capacitance (0.1
µ
F) can be used for short-circuit protection.
•
Open drain outputs (Each of the outputs can be used to control a step-down converter, a step-up converter and an
inverted converter.)
•
Can control two output channels.
ORDERING INFORMATION
Part Number
Package
16-pin plastic SSOP (5.72 mm (225))
16-pin plastic TSSOP (5.72 mm (225))
µ
PC1934GR-1JG
µ
PC1934GR-PJG
The information in this document is subject to change without notice. Before using this document, please
confirm that this is the latest version.
Not all devices/types available in every country. Please check with local NEC representative for
availability and additional information.
Document No. G13567EJ3V0DS00 (3rd edition)
Date Published April 2000 NS CP (K)
Printed in Japan
The mark
5
shows major revised points.
1998
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