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LT1054CSW Datasheet(PDF) 12 Page - Linear Technology

Part # LT1054CSW
Description  Switched-Capacitor Voltage Converter with Regulator
PDF  16 Pages
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Manufacturer  LINER [Linear Technology]
Direct Link  http://www.linear.com
Logo LINER - Linear Technology

LT1054CSW Datasheet(HTML) 12 Page - Linear Technology

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12
LT1054/LT1054L
1054lfe
TYPICAL APPLICATIONS N
3.5V to 5V Regulator
Regulating 200mA, 12V to – 5V Converter
Digitally Programmable Negative Supply
20k
VOUT = –VIN (PROGRAMMED)
20k
15V
LT1004-2.5
2.5V
LT1054 • TA12
AD558
16
11
14
DIGITAL
INPUT
13
12
10
µF
5
µF
+
100
µF
+
LT1054
FB/SHDN
CAP+
GND
CAP –
V+
OSC
VREF
VOUT
0.002
µF
HP5082-2810
VOUT = –5V
IOUT = 0mA to 200mA
12V
R1
39.2k
R2
200k
20k
10
Ω
1/2W
LT1054 • TA11
10
Ω
1/2W
10
µF
5
µF
200
µF
10
µF
+
+
LT1054 #1
FB/SHDN
CAP+
GND
CAP –
V+
OSC
VREF
VOUT
LT1054 #2
FB/SHDN
CAP+
GND
CAP –
V+
OSC
VREF
VOUT
REFER TO FIGURE 5
R2
R1
==
+ 1
|VOUT|
)
)
VREF
2
– 40mV
)
) +1,
|VOUT|
1.21V
5
µF
100
µF
20k
1N914
R1
20k
1N914
VIN = 3.5V TO 5.5V
VOUT = 5V
IOUT(MAX) = 50mA
1N914
1N5817
VIN
3.5V TO 5.5V
LT1054 • TA10
LTC1044
1
2
3
4
8
7
6
5
1
µF
1
µF
0.002
µF
R2
125k
3k
1N914
R2
125k
2N2219
VOUT = 5V
10
µF
+
+
+
+
LT1054
FB/SHDN
CAP+
GND
CAP –
V+
OSC
VREF
VOUT



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