|
LT1054L Datasheet, PDF (10/16 Pages) Linear Technology – Switched-Capacitor Voltage Converter with Regulator | |||
|
◁ |
LT1054/LT1054L
TYPICAL APPLICATIONS N
100µF
Basic Voltage Inverter
FB/SHDN V+
CAP+ OSC
LT1054
GND VREF
CAP â VOUT
VIN
2µF
âVOUT
100µF
LT1054 ⢠TAO2
100µF
Negative Voltage Doubler
VIN
2µF
FB/SHDN V+
CAP+ OSC
LT1054
GND VREF
CAP â VOUT
+
VOUT
â
QX*
100µF RX*
VIN
VIN = â3.5V TO â15V
VOUT = 2VIN + (LT1054 VOLTAGE LOSS) + (QX SATURATION VOLTAGE)
*SEE FIGURE 3
LT1054 ⢠TAO4
Basic Voltage Inverter/Regulator
VIN 2µF
FB/SHDN V+
10µF
CAP+ OSC
LT1054
GND VREF
CAP â VOUT
R1
R2
0.002µF
) ) R2=
|VOUT|
+ 1 = |VOUT| + 1 , VOUT
R1
VREF
2
â
40mV
1.21V
REFER TO FIGURE 5
100µF
LT1054 ⢠TA03
Positive Doubler
+
VOUT
50mA
â
1N4001
100µF
VIN
1N4001 3.5V TO 15V
10µF
2µF
FB/SHDN V+
VIN = 3.5V TO 15V
VOUT â 2VIN â (VL + 2VDIODE)
VL = LT1054 VOLTAGE LOSS
CAP+ OSC
LT1054
GND VREF
CAP â VOUT
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 â VOUT
VOUT
SET
R1
40k
10µF
10µF
1N4002
FB/SHDN V+
CAP+ OSC
LT1054 #2
GND VREF
CAP â VOUT
HP5082-2810
PIN 2
LT1054 #1
20k
1N4002
100µF
10µF
R2
0.002µF
500k
VIN = 3.5 TO 15V
VOUT MAX â â2VIN + [1054 VOLTAGE LOSS + 2(VDIODE)]
1N4002
âVOUT
IOUT â
100mA MAX
) ) R2=
R1
|VOUT|
VREF
2
â 40mV
+
1
=
|VOUT|
1.21V
+
1
, REFER TO FIGURE 5
10µF
LT1054 ⢠TAO6
1054lfe
10
|
▷ |