LT3462/LT3462A
3462af
8
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
(408) 432-1900
●
FAX: (408) 434-0507
●
www.linear.com
LINEAR TECHNOLOGY CORPORATION 2004
LT/TP 0304 1K • PRINTED IN USA
RELATED PARTS
TYPICAL APPLICATIO S
U
12V to –36V DC/DC Converter
V
IN
12V
L1
47µH
R1
432k
R2
15k
C3
1µF
50V
C4
5pF
C1
1µF
C2
0.47µF
V
OUT
–36V
36mA
V
IN
SW
FB
SDREF
GND
LT3462
C1: TAIYO YUDEN X5R EMK212BJ105
C2: MURATA GRM42-6X7R474K50
C3: MURATA GRM42-6X7R474K50 ×2
D1: CENTRAL CMSH5-4-LTN
L1: MURATA LQH32CN470
3462 TA06a
D
D1
100nF
–36V Efficiency
LOAD CURRENT (mA)
0
EFFICIENCY (%)
40
3462 TA06b
20 3010
85
80
75
70
65
60
T
A
= 25°C
V
IN
= 12V
PART NUMBER DESCRIPTION COMMENTS
LT1617/LT1617-1 350mA/100mA (I
SW
) High Efficiency V
IN
: 1.2V to 15V, V
OUT(MAX)
= –34V, I
Q
= 20µA, I
SD
<1µA
Micropower Inverting DC/DC Converter ThinSOT Package
LT1931/LT1931A 1A (I
SW
), 1.2MHz/2.2MHz, High Efficiency V
IN
: 2.6V to 16V, V
OUT(MAX)
= –34V, I
Q
= 5.8mA, I
SD
<1µA
Micropower Inverting DC/DC Converter ThinSOT Package
LT1945 Dual Output, Boost/Inverter, 350mA (I
SW
), Constant V
IN
: 1.2V to 15V, V
OUT(MAX)
= ±34V, I
Q
= 40µA, I
SD
<1µA,
Off-Time, High Efficiency Step-Up DC/DC Converter MS10 Package
LT1946/LT1946A 1.5A (I
SW
), 1.2MHz/2.7MHz, High Efficiency V
IN
: 2.45V to 16V, V
OUT(MAX)
= 34V, I
Q
= 3.2mA, I
SD
<1µA
Step-Up DC/DC Converter MS8 Package
LT3463 Dual Output, Boost/Inverter, 250mA (I
SW
), Constant V
IN
: 2.3V to 15V, V
OUT(MAX)
= ±40V, I
Q
= 40µA, I
SD
<1µA
Off-Time, High Efficiency Step-Up DC/DC Converter DFN Package
with Integrated Schottky Diodes
LT3464 85mA (I
SW
), High Efficiency Step-Up DC/DC Converter V
IN
: 2.3V to 10V, V
OUT(MAX)
= 34V, I
Q
= 25µA, I
SD
<1µA
with Integrated Schottky and PNP Disconnect ThinSOT Package
