Datasheet

LT1054/LT1054L
10
1054lfg
TYPICAL APPLICATIONS
Basic Voltage Inverter
Negative Voltage Doubler
Basic Voltage Inverter/Regulator
Positive Doubler
100µF
V
IN
V
OUT
LT1054 • TAO2
LT1054
FB/SHDN
CAP
+
GND
CAP
V
+
OSC
V
REF
V
OUT
2µF
100µF
+
+
+
0.002µF
R2
10µF
100µF
REFER TO FIGURE 5
2µF
V
OUT
LT1054 • TA03
V
IN
R1
R2
R1
= =+ 1
|V
OUT
|
)
)
V
REF
2
– 40mV
)
)
+ 1 ,
|V
OUT
|
1.21V
LT1054
FB/SHDN
CAP
+
GND
CAP
V
+
OSC
V
REF
V
OUT
+
+
+
2µF
100µF
V
IN
= –3.5V TO –15V
V
OUT
= 2V
IN
+ (LT1054 VOLTAGE LOSS) + (Q
X
SATURATION VOLTAGE)
*SEE FIGURE 3
V
IN
V
IN
V
OUT
LT1054 • TAO4
R
X
*
+
100µF
+
+
+
LT1054
FB/SHDN
CAP
+
GND
CAP
V
+
OSC
V
REF
V
OUT
Q
X
*
1N4001
V
IN
= 3.5V TO 15V
V
OUT
≈ 2V
IN
– (V
L
+ 2V
DIODE
)
V
L
= LT1054 VOLTAGE LOSS
V
IN
3.5V TO 15V
LT1054 • TAO5
1N4001
V
OUT
50mA
+
100µF
2µF
10µF
+
+ +
LT1054
FB/SHDN
CAP
+
GND
CAP
V
+
OSC
V
REF
V
OUT
100mA Regulating Negative Doubler
1N4002
HP5082-2810
V
IN
3.5 TO 15V
20k
1N4002
0.002µF
LT1054 • TAO6
2.2µF
R1
40k
V
OUT
SET
PIN 2
LT1054 #1
V
OUT
I
OUT
100mA MAX
R2
500k
1N4002
1N4002
1N4002
, REFER TO FIGURE 5
V
IN
= 3.5 TO 15V
V
OUT
MAX ≈ 2V
IN
+ [1054 VOLTAGE LOSS + 2(V
DIODE
)]
R2
R1
= =+ 1
|V
OUT
|
)
)
V
REF
2
– 40mV
)
)
+ 1
|V
OUT
|
1.21V
10µF 10µF
100µF
+
+
+
10µF
+
10µF
10µF
+
+
+
10µF
+
LT1054 #1
FB/SHDN
CAP
+
GND
CAP
V
+
OSC
V
REF
V
OUT
LT1054 #2
FB/SHDN
CAP
+
GND
CAP
V
+
OSC
V
REF
V
OUT