LT1936H Ver la hoja de datos (PDF) - Linear Technology
Número de pieza
componentes Descripción
Fabricante
LT1936H Datasheet PDF : 20 Pages
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LT1936
TYPICAL APPLICATIONS
VIN
3.6V TO 36V
ON OFF
2.5V Step-Down Converter
D2
C1
4.7μF
VIN BOOST
SHDN
SW
LT1936
COMP
FB
VC GND
C3 L1
1μF 6.2μH
D1 R1
11k
R2
10k
VOUT
2.5V
1.2A
TA > 0°C
C2
47μF
D1: DFLS140L
D2: MBRO540
L1: TOKO D63CB
1936 TA07a
Efficiency, 2.5V Output
100
VOUT = 2.5V
TA = 25°C
90
VIN = 5V
80
VIN = 12V
70
60
0
0.5
1.0
LOAD CURRENT (A)
1.5
1936 TA07b
Minimum Input Voltage
5.5 VOUT = 2.5V
5.0
TO START
TA = –45°C
4.5
4.0
TO RUN
TA = –45°C
3.5
TO START
TA = 25°C
TO RUN
TA = 25°C
3.0
1
10
100
1000
LOAD CURRENT (mA)
1936 TA07c
18
VIN
14.5V TO 36V
ON OFF
12V Step-Down Converter
D3
D2 6.8V
C1
2.2μF
VIN BOOST
SHDN
SW
LT1936
COMP
FB
C3
0.22μF
D1
VC GND
R2
20k
L1
22μH
1.8k
R1
182k
D1: MBRM140
D2: 1N4148
D3: CMDZ5235B
VOUT
12V
1.2A
C2
22μF
1936 TA08
1936fd
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