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What is APW7165C?

This electronic component, produced by the manufacturer "Anpec Electronics Coropration", performs the same function as "5V to 12V Synchronous Buck Controller".


APW7165C Datasheet PDF - Anpec Electronics Coropration

Part Number APW7165C
Description 5V to 12V Synchronous Buck Controller
Manufacturers Anpec Electronics Coropration 
Logo Anpec Electronics Coropration Logo 


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APW7165C
5V to 12V Synchronous Buck Controller
Features
General Description
Wide Operation Supply Voltage from 5V to 12V
Power-On-Reset Monitoring on VCC
Excellent Reference Voltage Regulations
- 0.6V Internal Reference
- ±1% Over Temperature Range
Integrated Soft-Start
Automatic PSM/PWM Modes
Voltage Mode PWM Operation with 90% (Max.)
Duty Cycle
Under-Voltage Protection
Adjustable Over-Current Protection Threshold
- Sensing the RDS(ON) of Low-Side MOSFET
Over-Voltage Protection
Under-Voltage Protection
Simple SOP-8P Package
Lead Free and Green Devices Available
(RoHS Compliant)
Applications
Graphic Cards
DSL, Switch HUB
Wireless Lan
Notebook Computer
Mother Board
LCD Monitor/TV
Pin Configuration
The APW7165Cis a voltage mode, fixed 300kHz-switch-
ing frequency, and synchronous buck controller. The
APW7165C allows wide input voltage that is either a
single 5~12V or two supply voltage(s) for various
applications. A power-on-reset (POR) circuit monitors the
VCC supply voltage to prevent wrong logic controls. A built-
in digital soft-start circuit prevents the output voltages from
overshoot as well as limits the input current. An internal
0.6V temperature-compensated reference voltage with
high accuracy is designed to meet the requirement of
low output voltage applications. The APW7165C provides
excellent output voltage regulations against load current
variation.
The controller’s over-current protection monitors the out-
put current by using the voltage drops across the R
DS(ON)
of low-side MOSFET, eliminating the need for a current
sensing resistor that features high efficiency and low cost.
The APW7165C also integrates over-voltage protection
(OVP) and under-voltage protection circuit which moni-
tors the FB voltage to prevent the PWM output from over
and under voltage.
The APW7165C is available in a simple SOP-8P package.
Simplified Application Circuit
OFF
ON
VVCC
APW7165C
5 VCC BOOT 1
7
UGATE 2
COMP
PHASE 8
LGATE 4
6 FB GND
3
VIN
VOUT
BOOT 1
UGATE 2
GND 3
LGATE 4
9
GND
8 PHASE
7 COMP
6 FB
5 VCC
SOP-8P
(Top View)
ANPEC reserves the right to make changes to improve reliability or manufacturability without notice, and
advise customers to obtain the latest version of relevant information to verify before placing orders.
Copyright © ANPEC Electronics Corp.
Rev. A.2 - Oct., 2012
1
www.anpec.com.tw

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APW7165C equivalent
APW7165C
Operating Waveforms
Refer to the typical application circuit. The test condition is VIN=12V, TA= 25oC unless otherwise specified.
Power On
Power Off
V
IN
1
VOUT
2
V
UGATE
3
CH1: VIN, 5V/Div
CH2: VOUT, 500mV/Div
CH3: VUGATE, 10V/Div
Time: 1ms/Div
1
2
3
CH1: VIN, 5V/Div
CH2: VOUT, 500mV/Div
CH3: VUGATE, 10V/Div
Time: 200ms/Div
VIN
VOUT
V UGATE
Enable
VCOMP
1
VOUT
2
VP H A S E
3
CH1: VCOMP, 1V/Div
CH2: VOUT, 500mV/Div
CH3: VPHASE, 10V/Div
Time: 500µs/Div
Shutdown
RLOAD=10
VCOMP
1
VOUT
2
VP H A S E
3
CH1: VCOMP, 1V/Div
CH2: VOUT, 500mV/Div
CH3: VPHASE, 10V/Div
Time: 1ms/Div
Copyright © ANPEC Electronics Corp.
Rev. A.2 - Oct., 2012
5
www.anpec.com.tw


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Part Details

On this page, you can learn information such as the schematic, equivalent, pinout, replacement, circuit, and manual for APW7165C electronic component.


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Featured Datasheets

Part NumberDescriptionMFRS
APW7165The function is 5V to 12V Synchronous Buck Controller. Anpec Electronics CoroprationAnpec Electronics Coropration
APW7165CThe function is 5V to 12V Synchronous Buck Controller. Anpec Electronics CoroprationAnpec Electronics Coropration

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