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LT1120CH 데이터 시트보기 (PDF) - Linear Technology
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LT1120CH
Micropower Regulator with Comparator and Shutdown
Linear Technology
LT1120CH Datasheet PDF : 12 Pages
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LT1120
TYPICAL APPLICATIO S
LOGIC
LOGIC
OUTPUT
Regulator with Output Voltage Monitor
5V
LT1120
500k
7
5
V
IN
REF
6
4
V
OUT
–INPUT 8
2
FB
GND
1
0.001
μ
F
98k
+
2k
100k
V
OUT
5V
V
OUT
10
μ
F
PIN 7
LOGIC
OUTPUT
LOGIC OUTPUT GOES LOW WHEN V
OUT
DROPS BY 100mV
1120 TA03
Compensating the Comparator as an Op Amp
6
+
7
8
–
1M
50
μ
A
AT Av = 100,
SLEW RATE = +0.05V/
μ
s
–6V/
μ
s
R2
C2
Av
R1
1
33
Ω
10
100
Ω
100
10k
R1
C1
C1
0.1
μ
F
0.047
μ
F
0.002
μ
F
C2
0.001
μ
F
—
—
1120 TA04
R2
—
100k
10k
1A Low Dropout Regulator
V
IN
2.2k
5
V
IN
4
V
OUT
LT1120
GND
1
2
FB
*
150
Ω
*
MJE2955
10k* 100k
100k
0.001
μ
F
+
V
OUT
5V
220
μ
F
†
1120 TA05
* FOR CURRENT LIMIT
≈
1.5A
†
MUST HAVE LOW ESR. SEVERAL 100
μ
F CAPACITORS CAN BE PARALLELED.
1120fd
8
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