LT1054CS8 查看數據表（PDF） - Linear Technology
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LT1054CS8 Datasheet PDF : 16 Pages
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LT1054/LT1054L
TYPICAL APPLICATIONS
Basic Voltage Inverter
100µF
FB/SHDN V+
CAP+ OSC
LT1054
GND VREF
CAP – VOUT
VIN
2µF
–VOUT
100µF
LT1054 • TAO2
Basic Voltage Inverter/Regulator
VIN 2µF
FB/SHDN V+
10µF
CAP+ OSC
LT1054
GND VREF
CAP – VOUT
R1
R2
0.002µF
) ) R2
R1
=
|VOUT|
VREF
2
–
40mV
+
1
=
|VOUT|
1.21V
+
1
,
VOUT
REFER TO FIGURE 5
100µF
LT1054 • TA03
100µF
Negative Voltage Doubler
VIN
2µF
FB/SHDN V+
CAP+ OSC
LT1054
GND VREF
CAP – VOUT
+
VOUT
–
QX*
100µF RX*
VIN
VIN = –3.5V TO –15V
VOUT = 2VIN + (LT1054 VOLTAGE LOSS) + (QX SATURATION VOLTAGE)
*SEE FIGURE 3
LT1054 • TAO4
Positive Doubler
+
VOUT
50mA
–
1N4001
100µF
VIN = 3.5V TO 15V
VOUT ≈ 2VIN – (VL + 2VDIODE)
VL = LT1054 VOLTAGE LOSS
VIN
1N4001 3.5V TO 15V
10µF
FB/SHDN V+
CAP+ OSC
LT1054
GND VREF
CAP – VOUT
2µF
LT1054 • TAO5
100mA Regulating Negative Doubler
VIN
3.5 TO 15V
2.2µF
10µF
1N4002
10µF
1N4002
FB/SHDN V+
CAP+ OSC
LT1054 #1
GND VREF
CAP – VOUT
VOUT
SET
R1
40k
10µF
10µF
1N4002
FB/SHDN V+
CAP+ OSC
LT1054 #2
GND VREF
CAP – VOUT
HP5082-2810
PIN 2
20k
LT1054 #1
1N4002
100µF
10µF
R2
0.002µF
500k
VIN = 3.5 TO 15V
VOUT MAX ≈ –2VIN + [1054 VOLTAGE LOSS + 2(VDIODE)]
1N4002
–VOUT
IOUT ≅ 100mA MAX
) ) R2
R1
=
|VOUT|
VREF
2
–
40mV
+
1
=
|VOUT|
1.21V
+
1
, REFER TO FIGURE 5
10µF
LT1054 • TAO6
1054lff
10
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