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LT3027 Просмотр технического описания (PDF) - Linear Technology
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Компоненты Описание
Список матч
LT3027
Dual 100mA, Low Dropout, Low Noise, Micropower Regulator with Independent Inputs
Linear Technology
LT3027 Datasheet PDF : 16 Pages
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TYPICAL APPLICATIO S
Noise Bypassing Slows Startup, Allows Outputs to Track
V
IN1
3.7V TO 20V
1
µ
F
V
IN2
2.9V TO 20V
1
µ
F
OFF ON
IN1
OUT1
BYP1
ADJ1
IN2 LT3027
OUT2
SHDN1
BYP2
SHDN2 ADJ2
GND
0.01
µ
F
10
µ
F
422k
249k
0.01
µ
F
10
µ
F
261k
249k
3.3V
AT 100mA
2.5V
AT 100mA
3027 TA02a
V
SHDN1/SHDN2
1V/DIV
V
OUT1
1V/DIV
V
OUT2
1V/DIV
100
10
1
LT3027
2ms/DIV
3027 TA02b
Startup Time
0.1
10
100
1000
C
BYP
(pF)
10000
3027 TA02c
Power Supply Controller Provides Coincident Tracking
V
IN
3.3V
Q1
3.3V
1
µ
F
154k
100k
255k
121k 115k
93.1k
10nF
V
OL
GATE
ON
RAMP
255k
FB1
LTC2923
243k
RAMPBUF STATUS
SDO
TRACK1
TRACK2
GND
FB2
IN1 IN2
ADJ1
BYP1
OUT1
LT3027
SHDN1
BYP2
SHDN2
OUT2
ADJ2
GND
2.5V
10
µ
F
1.8V
243k
115k
3027 TA04
10
µ
F
3027f
13
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