LT3023
16
3023fa
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
(408) 432-1900
●
FAX: (408) 434-0507
●
www.linear.com
© LINEAR TECHNOLOGY CORPORATION 2003
LT 0208 REV A • PRINTED IN USA
V
SHDN1
1V/DIV
V
OUT1
1V/DIV
V
OUT2
1V/DIV
2ms/DIV
3023 TA03c
OUT1
BYP1
ADJ1
OUT2
BYP2
ADJ2
IN
SHDN1
SHDN2
LT3023
1μF
V
IN
3.7V TO 20V
OFF ON
0.01μF
0.01μF
422k
261k
249k
249k
35.7k
28k
10μF
10μF
3023 TA03a
3.3V
AT
100mA
2.5V
AT
100mA
GND
0.47μF
RELATED PARTS
TYPICAL APPLICATION
V
SHDN1
1V/DIV
V
OUT1
1V/DIV
V
OUT2
1V/DIV
2ms/DIV
3023 TA03b
Startup Sequencing
Turn-On Waveforms
Turn-Off Waveforms
PART NUMBER DESCRIPTION COMMENTS
LT1129 700mA, Micropower, LDO V
IN
: 4.2V to 30V, V
OUT(MIN)
= 3.75V, I
Q
= 50μA, I
SD
= 16μA, DD, SOT-223, S8,TO220,
TSSOP20 Packages
LT1175 500mA, Micropower Negative LDO Guaranteed Voltage Tolerance and Line/Load Regulation, V
IN
: –20V to –4.3V,
V
OUT(MIN)
= –3.8V, I
Q
= 45μA, I
SD
= 10μA, DD,SOT-223, S8 Packages
LT1185 3A, Negative LDO Accurate Programmable Current Limit, Remote Sense, V
IN
: –35V to –4.2V, V
OUT(MIN)
= –2.40V, I
Q
= 2.5mA, I
SD
<1μA, TO220-5 Package
LT1761 100mA, Low Noise Micropower, LDO Low Noise < 20μV
RMS,
Stable with 1μF Ceramic Capacitors, V
IN
: 1.8V to 20V,
V
OUT(MIN) =
1.22V, I
Q
= 20μA, I
SD
<1μA, ThinSOT Package
LT1762 150mA, Low Noise Micropower, LDO Low Noise < 20μV
RMS,
V
IN
: 1.8V to 20V, V
OUT(MIN)
= 1.22V, I
Q
= 25μA, I
SD
<1μA,
MS8 Package
LT1763 500mA, Low Noise Micropower, LDO Low Noise < 20μV
RMS,
V
IN
: 1.8V to 20V, V
OUT(MIN)
= 1.22V, I
Q
= 30μA, I
SD
<1μA,
S8 Package
LT1764/LT1764A 3A, Low Noise, Fast Transient Response, LDO Low Noise < 40μV
RMS,
"A" Version Stable with Ceramic Capacitors, V
IN
: 2.7V to 20V,
V
OUT(MIN)
= 1.21V, I
Q
= 1mA, I
SD
<1μA, DD, TO220 Packages
LTC1844 150mA, Very Low Drop-Out LDO Low Noise < 30μV
RMS
, Stable with 1μF Ceramic Capacitors, V
IN
: 1.6V to 6.5V,
V
OUT(MIN)
= 1.25V, I
Q
= 40μA, I
SD
<1μA, ThinSOT Package
LT1962 300mA, Low Noise Micropower, LDO Low Noise < 20μV
RMS,
V
IN
: 1.8V to 20V, V
OUT(MIN)
= 1.22V, I
Q
= 30μA, I
SD
<1μA,
MS8 Package
LT1963/LT1963A 1.5A, Low Noise, Fast Transient Response, LDO Low Noise < 40μV
RMS,
"A" Version Stable with Ceramic Capacitors, V
IN
: 2.1V to 20V,
V
OUT(MIN)
= 1.21V, I
Q
= 1mA, I
SD
<1μA, DD, TO220, SOT-223, S8 Packages
LT1964 200mA, Low Noise Micropower, Negative LDO Low Noise < 30μV
RMS,
Stable with Ceramic Capacitors, V
IN
: –0.9V to –20V,
V
OUT(MIN)
= –1.21V, I
Q
= 30μA, I
SD
= 3μA, ThinSOT Package
LTC3407 Dual 600mA. 1.5MHz Synchronous Step Down
DC/DC Converter
V
IN
: 2.5V to 5.5V, V
OUT(MIN)
= 0.6 V, I
Q
= 40μA, I
SD
<1μA, MSE Package
