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MFG:ROHM
Part Number: BA9736KV
MFG: ROHM
Description: The BA9736KV is a 6-channel controller that includes all of the circuits required to construct a switc...
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BA9736KV
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DataSheet
General Description
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 | VCC |
13.5 | V |
| Output current | IOUT | 100 | mA |
| Power dissipation | Pd | 750*1 | mW |
| 1000*2 | mW | ||
| Operating temperature | Topr | -25~+85 | |
| Storage temperature | Tstg | -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
BA9736KV
PDF/DataSheet Download
- Datasheet: BA9736KV
- File Size: 180041 KB
- Manufacturer: ROHM [Rohm]
- Click here to Download
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