LT1912 Linear Technology Corporation, LT1912 Datasheet - Page 24

• Manufacturer Part Number: LT1912
• Description: Step-Down Switching Regulator
• Manufacturer: Linear Technology Corporation

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RELATED PARTS
LT1912
TYPICAL APPLICATIO
PART NUMBER
LT1933
LT3437
LT1936
LT3493
LT1976/LT1977
LT1767
LT1940
LT1766
LT3434/LT3435
LT3480
LT3481
LT3684
LT3685
24
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
[phone]
DESCRIPTION
500mA (I
SOT-23
60V, 400mA (I
Converter with Burst Mode
36V, 1.4A (I
DC/DC Converter
36V, 1.2A (I
DC/DC Converter
60V, 1.2A (I
Down DC/DC Converter with Burst Mode
25V, 1.2A (I
DC/DC Converter
Dual 25V, 1.4A (I
DC/DC Converter
60V, 1.2A (I
DC/DC Converter
60V, 2.4A (I
DC/DC Converter with Burst Mode
38V, 2A (I
Converter with Burst Mode
36V, 2A (I
Converter with Burst Mode
36V, 2A (I
DC/DC Converter
38V, 2A(I
60V Transient Protection
OUT
●
OUT
OUT
OUT
OUT
FAX: [phone]
OUT
OUT
OUT
OUT
OUT
OUT
3.6V TO 27V
) 2.4MHz Step-Down DC/DC Converter with
), 500kHz Step-Down Switching Regulator in
), 2.4MHz, High Effi ciency Step-Down DC/DC
), 2.8MHz, High Effi ciency Step-Down DC/DC
), 2.8MHz, High Effi ciency Step-Down
OUT
), 500kHz High Effi ciency Step-Down
), 750kHz High Effi ciency Step-Down
), 200kHz/500kHz, High Effi ciency Step-
), 1.1MHz, High Effi ciency Step-Down
), 200kHz, High Effi ciency Step-Down
), 200/500kHz, High Effi ciency Step-Down
OUT
), MicroPower Step-Down DC/DC
4.7μF
V
), 1.1MHz, High Effi ciency Step-Down
IN
D: DIODES INC. DFLS240L
L: TAIYO YUDEN NP06DZB3R3M
U
330pF
16.2k
●
www.linear.com
68.1k
ON OFF
1.2V Step-Down Converter
f = 500kHz
RUN/SS
SYNC
V
R
C
T
V
IN
LT1912
GND
COMMENTS
V
V
3mm DFN and 16-Pin TSSOP Packages
V
V
3mm DFN Package
V
Package
V
V
Package
V
Package
V
Package
V
3mm DFN and 10-Pin MSOP Packages
V
3mm DFN and 10-Pin MSOP Packages
V
3mm DFN and 10-Pin MSOP Packages
V
DFN, MSOP-10 Packages
IN
IN
IN
IN
IN
IN
IN
IN
IN
IN
IN
IN
IN
: 3.6V to 36V, V
: 3.3V to 80V, V
: 3.6V to 36V, V
: 3.6V to 40V, V
: 3.3V to 60V, V
: 3V to 25V, V
: 3.6V to 25V, V
: 5.5V to 60V, V
: 3.3V to 60V, V
: 3.6V to 38V, V
: 3.6V to 34V, V
: 3.6V to 34V, V
: 3.6V to 38V, V
BD
BOOST
SW
FB
OUT(MIN)
OUT(MIN)
OUT(MIN)
OUT(MIN)
OUT(MIN)
OUT(MIN)
OUT(MIN)
OUT(MIN)
OUT(MIN)
OUT(MIN)
OUT(MIN)
OUT(MIN)
OUT(MIN)
100k
0.47μF
D
= 1.2V, I
52.3k
= 1.2V, I
= 1.25V, I
= 1.2V, I
= 0.8V, I
= 1.2V, I
= 1.2V, I
= 1.2V, I
= 1.2V, I
= 0.79V, I
= 1.26V, I
= 1.26V, I
= 0.79V, I
3.3μH
L
Q
1912 TA09
Q
Q
Q
Q
= 1mA, I
Q
Q
Q
Q
Q
Q
Q
Q
= 1.6mA, I
= 1.9mA, I
= 1.9mA, I
= 100μA, I
= 3.8mA, I
= 2.5mA, I
= 100μA, I
© LINEAR TECHNOLOGY CORPORATION 2007
= 100μA, I
= 70μA, I
= 50μA, I
= 1.5mA, I
= 450μA, I
47μF
V
1.2V
2A
OUT
SD
<6μA, MS8E Package
SD
SD
SD
SD
SD
SD
SD
SD
SD
SD
SD
SD
<1μA, ThinSOT Package
<1μA, MS8E Package
<1μA, 6-Pin 2mm ×
<1μA, 16-Pin TSSOP
<30μA, 16-Pin TSSOP
= 25μA, 16-Pin TSSOP
<1μA, 16-Pin TSSOP
<1μA, 10-Pin 3mm ×
<1μA, 10-Pin 3mm ×
<1μA, 10-Pin 3mm ×
<1μA, 10-Pin 3mm ×
< 1μA, 3mm × 3mm
LT 0108 • PRINTED IN USA
1912f