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參數(shù)資料
APU3037 / APU3037A
Data and specifications subject to change without notice.
200507075-1/18
TYPICAL APPLICATION
DESCRIPTION
The APU3037 controller IC is designed to provide a low
cost synchronous Buck regulator for on-board DC to DC
converter applications. With the migration of today’s ASIC
products requiring low supply voltages such as 1.8V and
lower, together with currents in excess of 3A, traditional
linear regulators are simply too lossy to be used when
input supply is 5V or even in some cases with 3.3V
input supply. The APU3037 together with dual N-channel
MOSFETs such as AP60T03, provide a low cost solution
for such applications. This device features an internal
200KHz oscillator (400KHz for "A" version), under-volt-
age lockout for both Vcc and Vc supplies, an external
programmable soft-start function as well as output un-
der-voltage detection that latches off the device when an
output short is detected.
Synchronous Controller in 8-Pin Package
Operating with single 5V or 12V supply voltage
Internal 200KHz Oscillator
(400KHz for APU3037A)
Soft-Start Function
Fixed Frequency Voltage Mode
500mA Peak Output Drive Capability
Protects the output when control FET is shorted
RoHS Compliant
APPLICATIONS
DDR memory source sink Vtt application
Low cost on-board DC to DC such as 5V to 3.3V,
2.5V or 1.8V
Graphic Card
Hard Disk Drive
PACKAGE ORDER INFORMATION
T
A
(°C)
0 To 70
0 To 70
0 To 70
0 To 70
FEATURES
8-PIN SYNCHRONOUS PWM CONTROLLER
DEVICE PACKAGE FREQUENCY
APU3037O 8-Pin Plastic TSSOP (O) 200KHz
APU3037M/MP 8-Pin Plastic SOIC NB (M/MP) 200KHz
APU3037AO 8-Pin Plastic TSSOP (O) 400KHz
APU3037AM/AMP 8-Pin Plastic SOIC NB (M/MP) 400KHz
Technology Licensed from International Rectifier
Figure 1 - Typical application of APU3037 or APU3037A.
APU3037
U1
Vcc
Vc
HDrv
LDrv
Fb
Gnd
Comp
SS/SD
C3
0.1uF
C4
1uF
C8
0.1uF
C9
2200pF
R4
24k
Q1
AP60T03GH
Q2
AP60T03GH
R5
1.24K, 1%
R3
249, 1%
L2
5.6uH, 5.3A
L1
1uH
C2
10TPB100M,
100uF, 55m
C1
47uF
1.5V/5A
C7
2x 6TPC150M,
150uF, 40m
12V
5V
1N4148
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| APU3037O | 8-PIN SYNCHRONOUS PWM CONTROLLER |
| APU3037A | 8-PIN SYNCHRONOUS PWM CONTROLLER |
| APU4003T | Circular Connector; No. of Contacts:19; Series:MS27656; Body Material:Aluminum; Connecting Termination:Crimp; Connector Shell Size:25; Circular Contact Gender:Socket; Circular Shell Style:Wall Mount Receptacle RoHS Compliant: No |
| APU4003 | Circular Connector; No. of Contacts:19; Series:MS27656; Body Material:Aluminum; Connecting Termination:Crimp; Connector Shell Size:25; Circular Contact Gender:Pin; Circular Shell Style:Wall Mount Receptacle; Insert Arrangement:25-19 RoHS Compliant: No |
| APU4006 | Circular Connector; No. of Contacts:19; Series:MS27656; Body Material:Aluminum; Connecting Termination:Crimp; Connector Shell Size:25; Circular Contact Gender:Socket; Circular Shell Style:Wall Mount Receptacle RoHS Compliant: No |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| APU3037O | 制造商:A-POWER 制造商全稱:Advanced Power Electronics Corp. 功能描述:8-PIN SYNCHRONOUS PWM CONTROLLER |
| APU3039 | 制造商:A-POWER 制造商全稱:Advanced Power Electronics Corp. 功能描述:SYNCHRONOUS PWM CONTROLLER |
| APU3046 | 制造商:A-POWER 制造商全稱:Advanced Power Electronics Corp. 功能描述:DUAL SYNCHRONOUS PWM CONTROLLER WITH |
| APU3048 | 制造商:A-POWER 制造商全稱:Advanced Power Electronics Corp. 功能描述:DUAL SYNCHRONOUS PWM CONTROLLER CIRCUITRY AND LDO CONTROLLER |
| APU3048M | 制造商:A-POWER 制造商全稱:Advanced Power Electronics Corp. 功能描述:DUAL SYNCHRONOUS PWM CONTROLLER CIRCUITRY AND LDO CONTROLLER |
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