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APW7153AQBI-TRG Datasheet(PDF) 1 Page - Anpec Electronics Coropration

Part # APW7153AQBI-TRG
Description  3A 5V 2MHz Synchronous Buck Converter
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Manufacturer  ANPEC [Anpec Electronics Coropration]
Direct Link  http://www.anpec.com.tw
Logo ANPEC - Anpec Electronics Coropration

APW7153AQBI-TRG Datasheet(HTML) 1 Page - Anpec Electronics Coropration

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Copyright
© ANPEC Electronics Corp.
Rev. A.6 - Aug., 2012
APW7153/A/B
www.anpec.com.tw
1
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.
3A 5V 2MHz Synchronous Buck Converter
Features
High Efficiency up to 95%
- PFM/PWM Mode Operation
Adjustable Output Voltage from 0.8V to VIN
Integrated 110mΩ High/Low Side MOSFET
Programmable Switching Frequency: 300kHz to
2MHz
Low Dropout Operation: 100% Duty Cycle
Stable with Low ESR Capacitors
Power-On-Reset Detection on VDD and PVDD
Integrate Soft-Start and Soft-Off
Over-Temperature Protection
Over-Voltage Protection
Under-Voltage Protection
High/Low Side Current-Limit
Power Good Indicator (APW7153A/B)
Enable/Shutdown Function
Small TDFN3x3-10 and SOP-8P Packages
Lead Free and Green Devices Available
(RoHS Compliant)
Applications
General Description
LCD Minitor/TV
Set-Top Box
DSL, Switch HUB
Notebook Computer
Portable Instrument
Simplified Application Circuit
Pin Configuration
S
APW7153/A/B is a 3A synchronous buck converter with
integrated 110m
Ω power MOSFETs. The APW7153/A/B
is designed with a current-mode control scheme; it can
convert wide input voltage of 2.6V to 5.5V to the output
voltage adjustable from 0.8V to 5.5V to provide excellent
output voltage regulation.
The APW7153/A/B is equipped with an PFM/PWM mode
operation. At light load, the IC operates in the PFM mode
to reduce the switching losses. At heavy load, the IC works
in PWM. At PWM mode, the switching frequency is set by
the external resistor.
The APW7153/A/B is also equipped with Power-on-reset,
soft-start, soft-stop, and whole protections (under-voltage,
over-voltage, over-temperature and current-limit) into a
single package.
This device, available TDFN3x3-10 and SOP-8P provides
a very compact system solution external components and
PCB area.
The pin 2 and 5 must be connected to the pin 11 (Exposed Pad)
11
The pin 2 and 4 must be connected to the pin 9 (Exposed Pad)
9
APW7153/A/B
V
DD
P
VDD
V
IN
V
OUT
LX 3
8 COMP
SHDN/RT 1
GND 2
7 FB
5 PVDD
6 VDD
SOP-8P
(Top View)
PGND 4
APW7153
9
Expose
Pad
LX 3
10 COMP
SHDN/RT 1
GND 2
PGND 5
9 FB
7 PVDD
8 VDD
TDFN3X3-10
(Top View)
11
Expose
Pad
LX 4
6 PVDD
APW7153
LX 3
10 COMP
EN/RT 1
GND 2
PGND 5
9 FB
7 VDD
8 POK
TDFN3X3-10
(Top View)
11
Expose
Pad
LX 4
6 PVDD
APW7153A
LX 3
10 COMP
SHDN/RT 1
GND 2
PGND 5
9 FB
7 VDD
8 POK
TDFN3X3-10
(Top View)
11
Expose
Pad
LX 4
6 PVDD
APW7153B


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