DC/DC Power Supply Control ICs
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Status:Available
1ch step-down output PWM type DC-DC converter control IC
Features
- Built-in 1ch power MOSFET
- Achieves high efficiency of 85% at 5 V/1.2 A output (200 kHz operation at 24 V power input)
- Stabilized control via current mode
- Switching frequency: 30 k to 400 kHz
- ON/OFF function: Current consumption of 0.1 mA (max.) when OFF
- VCC pin current consumption of 0.5 mA (typ.) during operation
- Extensive protection functions
- Power MOSFET overcurrent limit
- Soft start (8 ms)
- Timer latch short-circuit protection function (90 ms delay)
- Overheat protection
- Rectifier diode open protection function
- Package: SOP-8 (E-Pad)
Applications
- switching power supply
Specifications
| Applied circuit | Buck |
|---|---|
| Number of outputs | 1 |
| Built-in power MOSFET | Yes |
| Operating frequency (kHz) | 30k to 400kHz |
| Max Duty(%) | 95 |
| VCC voltage(V) | 9 to 45 |
| Protection function | Overcurrent protection, timer latch, short-circuit protection, overheat protection, rectifier diode open protection |
| Package | SOP-8E |
