LT1936 Linear Technology, LT1936 Datasheet - Page 20

• Manufacturer Part Number: LT1936
• Description: 1.4A 500kHz Step-Down Switching Regulator
• Manufacturer: Linear Technology

RELATED PARTS
LT1936
TYPICAL APPLICATION
PART NUMBER
LT1676
LT1765
LT1766
LT1767
LT1776
LT1933
LT1940
LT1956
LT1976
LT3010
LTC
LTC3412
LTC3414
LT3430/LT3431
Burst Mode is a registered trademark of Linear Technology Corporation. ThinSOT is a trademark of Linear Technology Corporation.
20
®
3.6V TO 20V
3407
ON OFF
V
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
[phone]
IN
D1: DFLS140L
D2: 1N4148
L1: TOKO D63CB
DESCRIPTION
60V, 440mA (I
DC/DC Converter
25V, 2.75A (I
DC/DC Converter
60V, 1.2A (I
DC/DC Converter
25V, 1.2A (I
DC/DC Converter
40V, 550mA (I
DC/DC Converter
600mA, 500kHz, Step-Down Switching Regulator in SOT-23
25V, Dual 1.4A (I
DC/DC Converter
60V, 1.2A (I
DC/DC Converter
60V, 1.2A (I
DC/DC Converter with Burst Mode
80V, 50mA, Low Noise Linear Regulator
Dual 600mA (I
DC/DC Converter
2.5A (I
Converter
4A (I
60V, 2.75A (I
Step-Down DC/DC Converters
2.5V Step-Down Converter
C1
4.7μF
OUT
OUT
●
), 4MHz, Synchronous Step-Down DC/DC Converter
FAX: [phone]
SHDN
COMP
), 4MHz, Synchronous Step-Down DC/DC
OUT
OUT
OUT
OUT
V
V
OUT
OUT
IN
C
LT1936
OUT
OUT
OUT
), 200kHz, High Effi ciency Step-Down
), 1.25MHz, High Effi ciency Step-Down
), 500kHz, High Effi ciency Step-Down
), 200kHz, High Effi ciency Step-Down
D2
), 1.25MHz, High Effi ciency Step-Down
), 200kHz/500kHz, High Effi ciency
OUT
BOOST
), 100kHz, High Effi ciency Step-Down
), 200kHz, High Effi ciency Step-Down
), 1.5MHz, Synchronous Step-Down
GND
), 1.1MHz, High Effi ciency Step-Down
SW
FB
0.22μF
C3
D1
R2
10k
●
www.linear.com
®
Operation
11k
8.2μH
R1
L1
1936 TA09a
C2
47μF
V
2.5V
1.3A
OUT
COMMENTS
V
SO-8 Package
V
SO-8 and 16-Lead TSSOPE Packages
V
16-Lead TSSOP/TSSOPE Packages
V
MS8/MS8E Packages
V
N8/SO-8 Packages
V
ThinSOT™ Package
V
16-Lead TSSOPE Package
V
16-Lead TSSOP/TSSOPE Packages
V
16-Lead TSSOPE Package
V
MS8E Package
V
10-Lead MSE Package
V
16-Lead TSSOPE Package
V
20-Lead TSSOPE Package
V
16-Lead TSSOPE Package
IN
IN
IN
IN
IN
IN
IN
IN
IN
IN
IN
IN
IN
IN
: 7.4V to 60V, V
: 3V to 25V, V
: 5.5V to 60V, V
: 3V to 25V, V
: 7.4V to 40V, V
: 3.6V to 36V, V
: 3V to 25V, V
: 5.5V to 60V, V
: 3.3V to 60V, V
: 1.5V to 80V, V
: 2.5V to 5.5V, V
: 2.5V to 5.5V, V
: 2.3V to 5.5V, V
: 5.5V to 60V, V
5.5
5.0
4.5
4.0
3.5
3.0
1
V
CONNECTING THE BOOST CIRCUIT TO THE
INPUT LOWERS THE MINIMUM INPUT
VOLTAGE TO RUN AND TO START TO LESS
THAN 3.7V AT ALL LOADS
OUT(MIN)
OUT(MIN)
OUT(MIN)
OUT
OUT(MIN)
OUT(MIN)
OUT(MIN)
OUT(MIN)
OUT(MIN)
OUT(MIN)
OUT(MIN)
OUT(MIN)
OUT(MIN)
OUT(MIN)
OUT(MIN)
= 2.5V
Minimum Input Voltage
= 1.20V, I
= 1.20V, I
= 1.2V, I
LOAD CURRENT (mA)
10
= 1.24V, I
= 1.20V, I
= 1.24V, I
= 1.25V, I
= 1.20V, I
= 1.20V, I
= 1.28V, I
= 1.20V, I
= 0.6V, I
= 0.8V, I
= 0.8V, I
Q
© LINEAR TECHNOLOGY CORPORATION 2006
Q
Q
= 3.8mA, I
Q
Q
Q
Q
= 1mA, I
Q
= 1mA, I
Q
Q
Q
Q
Q
Q
100
= 40μA, I
= 60μA, I
= 64μA, I
= 3.2mA, I
= 2.5mA, I
= 3.2mA, I
= 1.6mA, I
= 2.5mA, I
= 100μA, I
= 30μA, I
= 2.5mA, I
www.DataSheet4U.com
LT 1108 REV D • PRINTED IN USA
SD
SD
SD
SD
SD
SD
SD
= 15μA,
= 6μA,
1000
1936 TA09b
< 1μA,
SD
SD
SD
SD
SD
SD
SD
< 1μA,
< 1μA,
< 1μA,
< 1μA,
= 2.5μA,
= 25μA,
= 30μA,
< 1μA,
= 25μA,
< 1μA,
= 30μA,
1936fd