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APW7120

Features: · Operating with Single 5~12V Supply Voltageor two Supply Voltages· Drive Dual Low Cost N-Channel MOSFETs- Adaptive Shoot-Through Protection· Built-in Feedback Compensation- Voltage-Mode PWM Control- 0~100% Duty Ratio- Fast Transient Response· ±2% 0.8V Reference- Over Line, Load Regulati...

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SeekIC No. : 004287683 Detail

APW7120: Features: · Operating with Single 5~12V Supply Voltageor two Supply Voltages· Drive Dual Low Cost N-Channel MOSFETs- Adaptive Shoot-Through Protection· Built-in Feedback Compensation- Voltage-Mode P...

APW7120 Data Sheet

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Part Number:
APW7120
Supply Ability:
5000

Price Break

  • Qty
  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Upload time: 2024/11/7

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Product Details

Description



Features:

· Operating with Single 5~12V Supply Voltage
or two Supply Voltages
· Drive Dual Low Cost N-Channel MOSFETs
- Adaptive Shoot-Through Protection
· Built-in Feedback Compensation
- Voltage-Mode PWM Control
- 0~100% Duty Ratio
- Fast Transient Response
· ±2% 0.8V Reference
- Over Line, Load Regulation and
Operating Temp.
· Programmable Over-Current Protection
- Using RDS(ON) of Low-Side MOSFET
· Hiccup-Mode Under-Voltage Protection
· 118% Over-Voltage Protection
· Adjustable Output Voltage
· Small Converter Size
- 300kHz Constant Switching Frequency
- Small SOP-8 Package
· Built-In Digital Soft-Start
· Shutdown Control using an External MOSFET
· Lead Free Available (RoHS Compliant)




Application

· Motherboard
· Graphics Card
· High Current, up to 20A, DC-DC Converters




Pinout

Connection Diagram




Specifications

Symbol Parameter Rating Unit
VCC VCC Supply Voltage (VCC to GND) -0.3 ~ 16 V
VBOOT BOOT Voltage (BOOT to PHASE) -0.3 ~ 16 V
UGATE Voltage (UGATE to PHASE)
<400nS pulse width
>400nS pulse width		 -5 ~ VBOOT+0.3
-0.3 ~ VBOOT+0.3		 V
LGATE Voltage (LGATE to GND)
<400nS pulse width
>400nS pulse width		 -5 ~ VBOOT+0.3
-0.3 ~ VBOOT+0.3		 V
PHASE Voltage (PHASE to GND)
<400nS pulse width
>400nS pulse width		 -10 ~ 30
-0.3 ~ 16		 V
VI/O Input Voltage (OCSET, FB to GND) -0.3 ~ 7 V
Maximum Junction Temperature 150 ºC
TSTG Storage Temperature -65 ~ 150 ºC
TSDR Maximum Soldering Temperature, 10 Seconds 300 ºC
VESD Minimum ESD Rating (Human Body Mode) (Note 2) ±2 KV
Note 1: Absolute Maximum Ratings are those values beyond which the life of a device may be impaired.
Exposure to absolute maximum rating conditions for extended periods may affect device reliability.
Note 2: The device is ESD sensitive. Handling precautions are recommen




Description

The APW7120 is a fixed 300kHz frequency, voltage mode, synchronous PWM controller. The device drives two low cost N-channel MOSFETs and is designed to work with single 5~12V or two supply voltage(s), providing excellent regulation for load transients.

The APW7120 integrates controls, monitoring and protection functions into a single 8-pin package to provide a low cost and perfect power solution.

A power-on-reset (POR) circuit monitors the VCC supply voltage to prevent wrong logic controls. An internal 0.8V reference provides low output voltage down to 0.8V for further applications. An built-in digital soft-start with fixed soft-start interval prevents the output voltage from overshoot as well as limiting the input current. The controller's over-current protection monitors the output current by using the voltage drop across the low-side MOSFET's RDS(ON), eliminating the need of a current sensing resistor. Additional under voltage and over voltage protections monitor the voltage on FB pin for short-circuit and over-voltage protections. The over-current protection cycles the soft-start function until 4 over-current events are counted.

Pulling and holding the voltage on OCSET pin below 0.15V with an open drain device shuts down the controller.






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