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Anpec Electronics

APW7037B Datasheet Preview

APW7037B Datasheet

8-Pin Synchronous Buck PWM Controller

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APW7037A/B
8-PIN Synchronous Buck PWM Controller
Features
General Description
Operating with Single 5V or 12V Input
Drives N-Channel MOSFETs
Simple Single-Loop Control Design
- Voltage-Mode PWM Control
- Full 0% to 100% Duty Ratio
- Fast Transient Response
±2% Output Voltage Accuracy Over Temperature
Under-Voltage Protection for Output
200/400kHz Constant Frequency Operation
- 200kHz for APW7037B
- 400kHz for APW7037A
Small size, 8-PIN Package (SOIC or TSSOP)
Lead Free and Green Devices Available
(RoHS Compliant)
The APW7037 series are designed to provide a low cost
synchronous Buck regulator for on-board DC to DC con-
verter applications. The APW7037 series together with
dual N-channel MOSFETs such as APM7313, provide a
low cost solution for such applications. Each device fea-
tures an internal 200/400kHz oscillator, Power-On-Reset
(POR) for both VCC and VC supplies, an external pro-
grammable soft-start function as well as output under-
voltage detection that latches off the device when an out-
put short is detected.
Pin Configuration
Applications
Graphics Cards
DDR Memory Power Supply
DDR Memory Termination Voltage
Low-Voltage Distributed Power Supplies
FB
1
VCC
2
LDRV
3
GND
4
8
SS
7
COMP
6
VC
5
HDRV
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.
1
Rev. A.7 - Jun. , 2008
www.anpec.com.tw




Anpec Electronics

APW7037B Datasheet Preview

APW7037B Datasheet

8-Pin Synchronous Buck PWM Controller

No Preview Available !

APW7037A/B
Ordering and Marking Information
APW7037A/B
APW7037A/B K :
Assembly Material
Handling Code
Temperature Range
Package Code
APW7037A/B
XXXXX
Package Code
K : SOP-8
O : TSSOP-8
Operating Junction Temperature Range
C : 0 to 70oC
Handling Code
TR : Tape & Reel
Assembly Material
L : Lead Free Device
G : Halogen and Lead Free Device
XXXXX - Date Code
APW7037A/B O :
APW7037A/B
XXXXX
XXXXX - Date Code
Note : ANPEC lead-free products contain molding compounds/die attach materials and 100% matte tin plate termination finish;
which are fully compliant with RoHS. ANPEC lead-free products meet or exceed the lead-free requirements of IPC/JEDEC J-STD-
020C for MSL classification at lead-free peak reflow temperature. ANPEC defines “Green” to mean lead-free (RoHS compliant) and
halogen free (Br or Cl does not exceed 900ppm by weight in homogeneous material and total of Br and Cl does not exceed
1500ppm by weight).
Absolute Maximum Ratings
Symbol
VCC
VC
TJ
TSTG
TSDR
Parameter
VCC to GND
VC to GND
Operating Junction Temperature
Storage Temperature
Maximum Lead Soldering Temperature, 10 Seconds
Rating
Unit
-0.2~30
V
-0.2~30
V
0~125
°C
-65~150
°C
260
°C
Thermal Characteristics
Symbol
θJA
Parameter
Thermal Resistance in Free Air
SOP-8
TSSOP-8
Typical Value
160
124
Unit
°C/W
Copyright © ANPEC Electronics Corp.
2
Rev. A.7 - Jun., 2008
www.anpec.com.tw



Part Number APW7037B
Description 8-Pin Synchronous Buck PWM Controller
Maker Anpec Electronics
Total Page 3 Pages
PDF Download

APW7037B Datasheet PDF





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