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AIC1340CS 데이터시트 PDF




Analog Intergrations Corporation에서 제조한 전자 부품 AIC1340CS은 전자 산업 및 응용 분야에서
광범위하게 사용되는 반도체 소자입니다.


PDF 형식의 AIC1340CS 자료 제공

부품번호 AIC1340CS 기능
기능 High Performance/ Tripple-Ouput/ Auto-Tracking Combo Controller
제조업체 Analog Intergrations Corporation
로고 Analog Intergrations Corporation 로고


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AIC1340CS 데이터시트, 핀배열, 회로
AIC1340
High Performance, Tripple-Ouput, Auto-
Tracking Combo Controller
n FEATURES
l Provide Triple Accurate Regulated Voltages
l Optimized Voltage-Mode PWM Control
l Dual N-Channel MOSFET Synchronous Drivers
l Fast Transient Response
l Adjustable Over Current Protection using RDS(on).
No External Current Sense Resistor Required.
l Programmable Softstart Function
l 200KHz Free-Running Oscillator
l Robust Outputs Auto-Tracking Characteristics
l Sink and Source Capabilities with External Circuit
n APPLICATIONS
l Advanced PC Mboards
l Information PCs
l Servers and Workstations
l Internet Appliances
l PC Add-On Cards
l DDR Termination.
n GENERAL DESCRIPTION
The AIC1340 combines a synchronous voltage mode
PWM controller with a low dropout linear regulator
and a linear controller as well as the monitoring and
protection functions in this chip. The PWM control-
ler regulates the output voltage with a synchronous
rectified step-down converter. The built-in N-Channel
MOSFET drivers also help to simplify the design of
step-down converter. It is able to power CPUs,
GPUs, memories, and chipsets. The PWM control-
ler features over current protection using RDS(on). It
improves efficiency and saves cost, as there is no
expensive current sense resistor required.
The built-in adjustable linear controller drives an ex-
ternal MOSFET to form a linear regulator that regu-
lates power for system I/O. The built-in adjustable
low dropout linear regulator can supply current up to
500mA for supplying another system I/O. Output
voltage of both linear regulators can also be adjust-
ed by means of the external resistor divider. Both
linear regulators feature current limit. With higher
load current required from the low dropout linear
regulator, the AIC1341 is recommended.
The Shutdown function is also provided for disable
the combo controller.
Analog Integrations Corporation
www.analog.com.tw
DS-1340-00 May 24, 01
TEL: 886-3-5772500
4F, 9, Industry E. 9th Rd, Science Based Industrial Park, Hsinchu Taiwan, ROC
FAX: 886-3-5772510
1




AIC1340CS pdf, 반도체, 판매, 대치품
AIC1340
n ELECTRICAL CHARACTERISTICS (Vcc=12V, TJ=25°C, Unless otherwise
specified)
PARAMETER
TEST CONDITIONS
SYMBOL MIN. TYP. MAX. UNIT
VCC SUPPLY CURRENT
Supply Current
POWER ON RESET
UGATE, LGATE, GATE3 and
VOUT2 open
ICC
1.8 3
mA
Rising VCC Threshold
VOCSET=4.5V
VCCTHR
8.6
9.5 10.4
V
Falling VCC Threshold
Rising VIN2 Under-Voltage
Threshold
VOCSET=4.5V
VCCTHF
VIN2THR
8.2
2.5
9.2 10.2
2.6 2.7
V
V
VIN2 Under-Voltage Hystere-
sis
VIN2HYS 130 mV
Rising VOCSET1 Threshold
OSCILLATOR
VOCSETH
1.3
V
Free Running Frequency
F 170 200 230 KHz
Ramp. Amplitude
REFERENCE
VOSC
1.3 VP-P
FB2 Reference Voltage
FB3 Reference Voltage
LINEAR REGULATOR
VREF2
VREF3
1.240 1.265 1.290
1.250 1.275 1.300
V
V
Regulation
10mA<IOUT2<150mA
-1 +1 %
Under-Voltage Level
Over-Current Protection
FB2 falling
FB2UV
70
430 570
82
%
mA
Over-Current Protection
During Start-up
LINEAR CONTROLLER
750 mA
Regulation
Under-Voltage Level
0 < IGATE3 < 10mA
FB3 falling
FB3UV
-2.5
+2.5
70 80
%
%
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AIC1340CS 전자부품, 판매, 대치품
AIC1340
n PACKAGE DIMENSIONS
l 16 LEAD PLASTIC SO (300 mil) (unit: mm)
D
EH
e
A
Bc
L
SYMBOL
A
A1
B
C
D
E
e
H
L
MIN MAX
2.35 2.65
0.10 0.30
0.33 0.51
0.23 0.32
10.10
10.50
7.40 7.60
1.27(TYP)
10.00
10.65
0.40 1.27
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관련 데이터시트

부품번호상세설명 및 기능제조사
AIC1340CS

High Performance/ Tripple-Ouput/ Auto-Tracking Combo Controller

Analog Intergrations Corporation
Analog Intergrations Corporation

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