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AIC1562 데이터시트 PDF




Analog Intergrations Corporation에서 제조한 전자 부품 AIC1562은 전자 산업 및 응용 분야에서
광범위하게 사용되는 반도체 소자입니다.


PDF 형식의 AIC1562 자료 제공

부품번호 AIC1562 기능
기능 High-Efficiency/ Bootstrapped DC/DC Converter
제조업체 Analog Intergrations Corporation
로고 Analog Intergrations Corporation 로고


AIC1562 데이터시트 를 다운로드하여 반도체의 전기적 특성과 매개변수에 대해 알아보세요.



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AIC1562 데이터시트, 핀배열, 회로
AIC1562
High-Efficiency, Bootstrapped DC/DC Converter
FEATURES
3V to 20V Input Voltage Operation.
Internal 800mA Switch.
Bootstrapped Driver for N-Channel MOSFET.
High Efficiency (up to 90%).
Fast Transient Response.
Internal ±2% Reference.
Low Quiescent Current at 1.6mA.
Frequency Operation from 200Hz to 200KHz.
APPLICATIONS
CPU Power Supplies for Mother Boards.
DC/DC Converters for CPU VRMs.
Step-Down DC-DC Converter Module.
DESCRIPTION
The AIC1562 is a high performance monolithic
DC/DC converter drive IC with output-
bootstrapping capability, designed specifically for
driving N-channel MOSFET to achieve maximum
possible power conversion efficiency. The device
consists of an internal temperature compensated
reference, comparator, controlled duty cycle
oscillator, bootstrapped driver and a 800mA output
switch. Working with the AIC1741, a low power
adjustable regulator, the AIC1562 works at 100%
duty cycle under heavy load transient conditions to
minimize transient response time, making it an idea
precision switching power solution to stringent
requirements on computer mother boards.
TYPICAL APPLICATION CIRCUIT
12V
+
C1
47µF
D2
1N4148
0.1µF
SC
BST SE
AIC1562
VCC TC
FB GND
C3
1N4148
D3
Q2
R1
1K
0.022µF
R2 C4
24K
C2
220pF
Z1
5.1V
VIN 5V
+ 1000µF/6.3Vx2
C8, C9
L1
7.5µF
+
VOUT : 2.5V~3.5V/10A
D1
C10 C11 C12
0.1µF
x2
0.1µF
x2
1000µF/6.3V
x5 +
C13
R8
10K
C11, C12: Ceramic Capacitor
L1: Iron Powder Core
VOUT= (1+R10/1K)x1.235V
VIN FB
GND VOUT
AIC1741
R7 C5 R8
470 0.1µF 1K
R10
R9
1K
CPU Power Supply for P5 Mother Board
P5
MICROPROCESSOR
CPU
Analog Integrations Corporation 4F, 9, Industry E. 9th Rd, Science Based Industrial Park, Hsinchu Taiwan, ROC
DS-1562-00 Jan 30, 01
TEL: 886-3-5772500 FAX: 886-3-5772510
www.analog.com.tw
1




AIC1562 pdf, 반도체, 판매, 대치품
AIC1562
ELECTRICAL CHARACTERISTICS (VCC= 5V, Ta=25°C unless otherwise specified.)
PARAMETER
TEST CONDITIONS SYMBOL MIN. TYP. MAX. UNIT
Oscillator
Charging Current
5.0VVCC20V
Discharge Current
5.0VCC20V
Voltage Swing
PIN 3
Discharge to Charge Current VIS =VCC
Ratio
ICHG 15 25 35 A
IDISCHG
120 150 180
µA
VOSC
0.6 V
IDISCHG / ICHG
6.0
Output Switch
Saturation Voltage, Emitter
Follower Connection
Saturation Voltage
DC Current Gain
Collector Off-State Current
Comparactor
Threshold Voltage
Threshold Voltage Line
Regulation
Input Bias Current
Supply current
ISE=0.8A;
VBST =VSC = VCC
ISC=0.8A; IBST =40mA,
(Forced 20)
ISC =0.8A; VCE=5.0V
VCE=20V
Ta=25°C
0°C Ta 70°C
3.0V VCC20V
VIN=0V
VIS =VCC, pin 5>VFB
5.0V VCC20V
CT=1nF
PIN 2=GND
Remaining pins open
VCE(SAT)
VCE (SAT)
hFE
IC(OFF)
35
1.6 2.0
0.5 0.8
120
10
V
V
nA
VFB
REGLINE
1.225 1.25
1.21
0.1
1.275
1.29
V
V
0.5 mV/V
IIB
0.4 2
µA
ICC
1.6 3
mA
4

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AIC1562 전자부품, 판매, 대치품
AIC1562
PHYSICAL DIMENSIONS
8 LEAD PLASTIC SO (unit: mm)
D
H
E
e
A
C
B
L
8 LEAD PLASTIC DIP (unit: mm)
D
E1
A2
A1
L
be
E
C
eB
SYMBOL
A
A1
B
C
D
E
e
H
L
MIN MAX
1.35 1.75
0.10 0.25
0.33 0.51
0.19 0.25
4.80 5.00
3.80 4.00
1.27(TYP)
5.80 6.20
0.40 1.27
SYMBOL
A1
A2
b
C
D
E
E1
e
eB
L
MIN MAX
0.381
2.92 4.96
0.35 0.56
0.20 0.36
9.01 10.16
7.62 8.26
6.09 7.12
2.54 (TYP)
— 10.92
2.92 3.81
7

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