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APW9202/S/L
Active
3A, 18V, 600kHz Synchronous Step-Down Converter
Features
- N-CH MOSFET (50 mΩ) for CH1 Low Side
- N-CH MOSFET (105 mΩ) for CH2 High Side
- N-CH MOSFET (60 mΩ) for CH2 Low Side
General Description
The APW9202/S/L is a two-channel synchronous mode PWM converter with 3A continuous current capability for one channel and 2A continuous current capability for the other one. Each channel of the APW9202/S has independent enable, and it also allows the two regulators to start together by using the same enable signal. Although the switching frequency of the APW9202/S/L is fixed at 800kHz, it can also change the switching frequency via the PWM/SYNC pin. Another feature of this part is its ability to automatically optimize its BW (DyncBandwidth) to allow better dynamic response once it is synchronized to a higher external clock. The APW9202/S/L also provides a 180-degree phase shifting technique to minimize switching noise. The output voltage of each channel can be adjusted using an external resistor divider. Other features include UVP, current limit, and OTP. The APW9202/S/L is available in a VTQFN-13 package with small size and excellent thermal capacity.
Features
- Input Voltage range : 4.5V to 18V
- 3A/2A Output Current on Channel1/2
- Low IQ=155μA (typ.) to improve Light Load Efficiency
- Typical 0.6V ±1% Internal Reference Voltage
- Optimized Upper and Lower MOSFETs RDS_on for max Efficiency :
- N-CH MOSFET (50 mΩ) for CH1 Low Side
- N-CH MOSFET (105 mΩ) for CH2 High Side
- N-CH MOSFET (60 mΩ) for CH2 Low Side
- Channel Swap Function (APW9202S)
- Level Shifter Output is Referenced to External DC Voltage (APW9202L)
- Built in OVP, UVP, Current Limit and OTP
- Low Cost VTQFN-13 package
- Lead Free and Green Devices Available (RoHS Compliant)
- DyncBandwidthTM Technology
General Description
The APW9202/S/L is a two-channel synchronous mode PWM converter with 3A continuous current capability for one channel and 2A continuous current capability for the other one. Each channel of the APW9202/S has independent enable, and it also allows the two regulators to start together by using the same enable signal. Although the switching frequency of the APW9202/S/L is fixed at 800kHz, it can also change the switching frequency via the PWM/SYNC pin. Another feature of this part is its ability to automatically optimize its BW (DyncBandwidth) to allow better dynamic response once it is synchronized to a higher external clock. The APW9202/S/L also provides a 180-degree phase shifting technique to minimize switching noise. The output voltage of each channel can be adjusted using an external resistor divider. Other features include UVP, current limit, and OTP. The APW9202/S/L is available in a VTQFN-13 package with small size and excellent thermal capacity.
