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APW9304H
Active
3-CH Buck Converter, 3-18V Input Voltage, Tiny Package
Features
- Channel 2 from 3V to 18V
- N-CH MOSFET (90mΩ) for CH2/3 High Side
- N-CH MOSFET (45mΩ) for CH1 Low Side
- N-CH MOSFET (50mΩ) for CH2/3 Low Side
General Description
The APW9304H is a three-channel synchronous mode PWM converter with 3A continuous current capability for one channel and 2.5A continuous current capability for the other channel and 1.5A continuous current capability for the other one channel. Although the switching frequency of the APW9304H is fixed at 2.1MHz, it can also change the switching frequency via the EN/SYNC pin. The APW9304H also provides a 120-degree phase shifting technique and Spread Spectrum option to minimize the noise for reducing EMI. The output voltage of each channel can be adjusted using an external resistor divider. Other features include VIN OVP, VOUT OVP, UVP, Current Limit and OTP. The internal switching frequency is set at 2.1MHz. Other features of the part include VIN OVP, OVP, UVP, Current Limit and OTP. The APW9304H is available in a TQFN 4x4-20D wettable flanks package with small size and excellent thermal capacity.
Features
- Wide input voltage range:
- Channel 2 from 3V to 18V
- 3A/2.5A/1.5A Output Current on Channel 1/2/3
- Typical 0.6V ±1% Internal Reference Voltage
- Sync Pin Allows Synchronization to an External Clock from 1.8MHz to 2.4MHz
- Optimized Upper and Lower MOSFETs RDS_on for max Efficiency:
- N-CH MOSFET (90mΩ) for CH2/3 High Side
- N-CH MOSFET (45mΩ) for CH1 Low Side
- N-CH MOSFET (50mΩ) for CH2/3 Low Side
- Built in OVP, UVP, Current Limit, VIN OVP and OTP
- Low Cost TQFN 4x4-20D Wettable Flanks Package
- High Performance or Low Cost Configuration, Auto Mode or FPWM can be set by MODE PIN
- Spread Spectrum Option and Power On Sequence can be configured by SEQ/SSP PIN
General Description
The APW9304H is a three-channel synchronous mode PWM converter with 3A continuous current capability for one channel and 2.5A continuous current capability for the other channel and 1.5A continuous current capability for the other one channel. Although the switching frequency of the APW9304H is fixed at 2.1MHz, it can also change the switching frequency via the EN/SYNC pin. The APW9304H also provides a 120-degree phase shifting technique and Spread Spectrum option to minimize the noise for reducing EMI. The output voltage of each channel can be adjusted using an external resistor divider. Other features include VIN OVP, VOUT OVP, UVP, Current Limit and OTP. The internal switching frequency is set at 2.1MHz. Other features of the part include VIN OVP, OVP, UVP, Current Limit and OTP. The APW9304H is available in a TQFN 4x4-20D wettable flanks package with small size and excellent thermal capacity.
