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LT1054CSW Datasheet(PDF) 11 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) 11 Page - Linear Technology

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11
LT1054/LT1054L
1054lfe
TYPICAL APPLICATIONS N
5V to
±12V Converter
Bipolar Supply Doubler
20k
1N914
1N914
VIN = 5V
TO PIN 4
LT1054 #1
VOUT ≈ –12V
IOUT = 25mA
VOUT ≈ 12V
IOUT = 25mA
LT1054 • TAO8
1k
2N2219
10
µF
100
µF
10
µF
10
µF
100
µF
5
µF
100
µF
5
µF
+
+
+
+
+
LT1054 #2
FB/SHDN
CAP+
GND
CAP –
V+
OSC
VREF
VOUT
LT1054 #1
FB/SHDN
CAP+
GND
CAP –
V+
OSC
VREF
VOUT
VIN
3.5V TO 15V
–VOUT
LT1054 • TAO7
+VOUT
+
–
= 1N4001
VIN = 3.5V TO 15V
+VOUT ≈ 2VIN – (VL + 2VDIODE)
–VOUT ≈ –2VIN + (VL + 2VDIODE)
VL = LT1054 VOLTAGE LOSS
100
µF
10
µF
10
µF
10
µF
100
µF
100
µF
+
+
+
+
+
LT1054
FB/SHDN
CAP+
GND
CAP –
V+
OSC
VREF
VOUT
1
µF
5V
1
2
3
8
200k
3k
100
µF
TANTALUM
LT1054 • TAO9
0.022
µF
2N2222
A = 125 FOR 0V TO 3V OUT FROM FULL-SCALE
BRIDGE OUTPUT OF 24mV
100k
100k
10k
ZERO
TRIM
5k
GAIN
TRIM
10k
10k
5V
40
Ω
301k
1M
A1
1/2 LT1013
5k
6
5
4
7
10k
2N2907
INPUT TTL
OR CMOS
LOW FOR ON
350
Ω
A2
1/2 LT1013
10
µF
+
+
10
µF
+
LT1054
FB/SHDN
CAP+
GND
CAP –
V+
OSC
VREF
VOUT
Strain Gauge Bridge Signal Conditioner



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