ROHM BA3960 Datasheet
Regulator ICs
Dual circuit, variable output voltage
regulator
BA3960
The BA3960 is a dual circuit, variable output, series regulator. PNP output transistors allow minimum voltage differential
between input and output. Each of the two circuits can be turned on or off independently by using the system logic control.
When both circuits are off, the IC keeps a standby state with no supply current.
Applications
Audio and video systems, CD and CD-ROM systems, computer peripheral devices, industrial equipment
Features
1) Containing two circuits of variable-output series regulator.
2) PNP output transistor characterized by low saturation voltage.
3) Logic control allowing ON/OFF switching of output.
4) No supply current when both circuits are off.
5) Output current limit circuit protects the IC against
short-circuiting damage.
6) Compact HSIP-B12 package allows a large power
dissipation.
7) Thermal protection circuit prevents heat damage to
the IC.
Block diagram
136
Regulator ICs BA3960
FAbsolute maximum ratings (Ta = 25_C) FRecommended operating conditions
FElectrical characteristics
(unless otherwise noted, Ta = 25_C, V
and R12, R22=3.9kΩ)
CC = 12.0V, ACTIVE 1 : IO = 640mA, ACTIVE 2 : IO = 400mA
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