LT1054/LT1054L
16
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For more information www.linear.com/LT1054
LINEAR TECHNOLOGY CORPORATION 2010
LT 0914 REV H • PRINTED IN USA
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
(408) 432-1900
●
FAX: (408) 434-0507
●
www.linear.com/LT1054
relateD parts
typical applications
Negative Doubler with Regulator
Positive Doubler with Regulation
0.03µF
IN
50k
1N5817
1N5817
LT1054 • TA13
–
+
10k
10k
10k
5.5k
2.5k
0.1µF
5V
LT1006
100µF
V
OUT
8V
10µF
+
+
+
LT1054
FB/SHDN
CAP
+
GND
CAP
–
V
+
OSC
V
REF
V
OUT
2µF
V
IN
3.5V TO 15V
100µF
R2
1M
1N4001
1N4001
100µF
0.002µF
–V
V
IN
= 3.5V TO 15V
V
OUT(MAX)
≈ –2V
IN
+ (V
L
+ 2V
DIODE
)
V
L
= LT1054 VOLTAGE LOSS
, REFER TO FIGURE 5
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
R1, 20k
PART NUMBER DESCRIPTION COMMENTS
LT C
®
1144 Switched-Capacitor Wide Input Range Voltage Converter with
Shutdown
Wide Input Voltage Range: 2V to 18V, I
SD
< 8µA, SO8
LTC1514/LTC1515 Step-Up/Step-Down Switched-Capacitor DC/DC Converters V
IN
: 2V to 10V, V
OUT
: 3.3V to 5V, I
Q
= 60µA, SO8
LT1611 150mA Output, 1.4mHz Micropower Inverting Switching Regulator V
IN
: 0.9V to 10V, V
OUT
: ±34V ThinSOT™
LT1614 250mA Output, 600kHz Micropower Inverting Switching Regulator V
IN
: 0.9V to 6V, V
OUT
: ±30V, I
Q
= 1mA, MS8, SO8
LTC1911 250mA, 1.5MHz Inductorless Step-Down DC/DC Converter V
IN
: 2.7V to 5.5V, V
OUT
: 1.5V/1.8V, I
Q
= 180µA, MS8
LTC3250/LTC3250-1.2/
LTC3250-1.5
Inductorless Step-Down DC/DC Converter V
IN
: 3.1V to 5.5V, V
OUT
: 1.2V, 1.5V, I
Q
= 35µA, ThinSOT
LTC3251 500mA Spread Spectrum Inductorless Step-Down DC/DC Converter V
IN
: 2.7V to 5.5V, V
OUT
: 0.9V to 1.6V, 1.2V, 1.5V, I
Q
= 9µA,
MS10E
LTC3252 Dual 250mA, Spread Spectrum Inductorless Step-Down
DC/DC Converter
V
IN
: 2.7V to 5.5V, V
OUT
: 0.9V to 1.6V, I
Q
= 50µA, DFN12
THE TYPICAL APPLICATIONS CIRCUITS WERE VERIFIED USING THE STANDARD LT1054. FOR S8 APPLICATIONS
ASSISTANCE IN ANY OF THE UNUSUAL APPLICATIONS CIRCUITS PLEASE CONSULT THE FACTORY
