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BA9723, BA9732KV-E2, BA9736KV

Table of contents:
Info of BA9723
Info of BA9732KV-E2
Info of BA9736KV

BA9723, BA9732KV-E2, BA9736KV Selling Leads, Datasheet

MFG:ROHM Package Cooled:3000 D/C:

BA9723, BA9732KV-E2, BA9736KV Datasheet download

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Part Number: BA9723

MFG: ROHM

Package Cooled: 3000

D/C:

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BA9736KV General Description

The BA9736KV is a 6-channel controller that includes all of the circuits required to construct a switching regulator. The circuits on the chip include a triangular-wave generator, a reference voltage circuit, an error amplifier, a PWM comparator, a pseudo-totem-pole driver, and a variety of protection circuits.

BA9736KV Maximum Ratings

Parameter	Symbol	Limits	Unit
Power supply voltage	V_CC	13.5	V
Output current	I_OUT	100	mA
Power dissipation	P_d	750^*1	mW
Power dissipation	P_d	1000^*2	mW
Operating temperature	T_opr	-25~+85
Storage temperature	T_stg	-55~+125

BA9736KV Features

The totem-pole driver can directly drive power transistors, and the on current can be set to the rating current using an external resistor.
  Miss-operation prevention circuit for low-voltage input.
  Output cutoff circuit (timer latch type) for overload protection.
  Channels 1 and 4 employ FETs, and have totem-pole drivers that rectify synchronously with a chopper. The duty offset of the chopper can be adjusted externally.
  For channel control, by making STB low level, all channels go off, and by making STB3 low level, channel 3 can be switched off independently.
Soft start is applied to all channels using an external capacitor, and is synchronized with the rising edges of STB and STB3.
VQFP64 package (0.5mm pitch).

BA9736KV Typical Application

VCR / cameras, digital still cameras, and other portable equipment

BA9736KV Connection Diagram

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