Datasheet
LT8410/LT8410-1
16
84101fb
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
(408) 432-1900
●
FAX: (408) 434-0507
●
www.linear.com
LINEAR TECHNOLOGY CORPORATION 2008
LT 0211 REV B • PRINTED IN USA
RELATED PARTS
TYPICAL APPLICATION
PART NUMBER DESCRIPTION COMMENTS
LT1946/LT1946A 1.5A (I
SW
), 1.2MHz/2.7MHz, High Efficiency Step-Up DC/DC
Converters
V
IN
: 2.45V to 16V, V
OUT(MAX)
= 34V, I
Q
= 3.2mA, I
SD
< 1µA,
8-Lead MS Package
LT3464 85mA (I
SW
), High Efficiency Step-Up DC/DC Converter with
Integrated Schottky and PNP Disconnect
V
IN
: 2.3V to 10V, V
OUT(MAX)
= 34V, I
Q
= 25µA, I
SD
< 1µA,
ThinSOT™ Package
LT3471 Dual Output, Boost/Inverter, 1.3A (I
SW
), High Efficiency
Boost-Inverting DC/DC Converter
V
IN
: 2.4V to 16V, V
OUT(MAX)
= ±40V, I
Q
= 2.5mA, I
SD
< 1µA,
DFN Package
LT3473/LT3473A 1A (I
SW
), 1.2MHz, High Efficiency Step-Up DC/DC Converter
with Integrated Schottky Diode and Output Disconnect
V
IN
: 2.2V to 16V, V
OUT(MAX)
= 36V, I
Q
= 100µA, I
SD
< 1µA,
DFN Package
LT3494/LT3494A 180mA/350mA (I
SW
), High Efficiency, Low Noise Step-Up
DC/DC Converter with Output Disconnect
V
IN
: 2.1V to 16V, V
OUT(MAX)
= 40V, I
Q
= 65µA, I
SD
< 1µA,
DFN Package
LT3495/LT3495B/
LT3495-1/LT3495B-1
650mA/350mA (I
SW
), High Efficiency, Low Noise Step-Up
DC/DC Converter with Output Disconnect
V
IN
: 2.3 V to 16V, V
OUT(MAX)
= 40V, I
Q
= 60µA, I
SD
< 1µA,
DFN Package
DANGER HIGH VOLTAGE! OPERATION BY HIGH VOLTAGE TRAINED PERSONNEL ONLY
SW CAP
GND
FBP
8410-1 TA11
LT8410
C1
2.2µF
C7
0.1µF
C8
0.1µF
L1
100µH
C3, 0.1µF C5, 0.1µF
C2
0.1µF
C4
0.1µF
C6
0.1µF
V
IN
2.5V to 16V
V
CC
V
OUT
V
REF
SHDN
143k
787k
TURN ON/OFF
C1: 2.2μF, 16V, X5R, 0603
C2 – C7: 0.1μF, 100V, X5R, 0603
C8: 0.1μF, 16V, X7R, 0402
D1 – D4: ON SEMI RB751S40T1G
L1: MURATA LQH32CN101K53
OUTPUT = 100V
0.4mA (V
IN
= 5V)
1.4mA (V
IN
= 12V)
D1 D2 D3 D4
FBP VOLTAGE (V)
0
OUTPUT VOLTAGE (V)
140
120
40
60
80
100
20
0
8410-1 TA12
21 1.50.5
V
IN
= 5V
LOAD CURRENT (mA)
0.01
EFFICIENCY (%)
90
80
60
70
50
40
8410-1 TA13
100.1 1
V
OUT
= 100V
V
IN
= 12V
V
IN
= 5V
Output Voltage vs FBP Voltage Efficiency vs Load Current
High Voltage Power Supply Does Not Need a Transformer