LT3436 TYPICAL APPLICATIO Schematic circuits

Linear Technology Corporation

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LT3436 circuit
LT3436
TYPICAL APPLICATIO
L1
5
4
1
150Ω
V
IN
12V TO 25V
+
2.2µF
RELATED PARTS
PART NUMBER
DESCRIPTION
1.5A (I
SW
), 4.5 MHz, High Efficiency
Step-up DC/DC Converter with PLL
6A (ISW), 500kHz, High Efficiency
Step-up DC/DC Converter
3A (I
SW
), 500kHz, High Efficiency
Step-up DC/DC Converter
550mA (I
SW
), 1.4MHz, High Efficiency
Step-up DC/DC Converter
1.5A (I
SW
), 1.25MHz, High Efficiency
Step-up DC/DC Converter
1.5A (I
SW
), 1.2MHz/2.7MHz, High Efficiency
Step-up DC/DC Converter
1.5A (I
SW
), 1.25MHz, High Efficiency
Step-up DC/DC Converter
600mA (I
SW
), 1.2MHz, Synchronous
Step-up DC/DC Converter
1A (I
SW
), 3MHz, Synchronous
Step-up DC/DC Converter
2A (I
SW
), 3MHz, Synchronous
Step-up DC/DC Converter
COMMENTS
V
IN
= 2.75V to 18V, V
OUT(MAX)
= 35V, I
Q
= 12mA,
I
SD
= <1µA, MSE Package
V
IN
= 2.7V to 30V, V
OUT(MAX)
= 35V/42V, I
Q
= 4.5mA,
I
SD
= <12µA, DD, TO220-7 Packages
V
IN
= 2.7V to 30V, V
OUT(MAX)
= 35V/42V, I
Q
= 4mA,
I
SD
= <12µA, DD,TO220-7,S20 Packages
90% Efficiency, V
IN
= 0.9V to 10V, V
OUT(MAX)
= 34V, I
Q
= 3mA,
I
SD
= <1µA, ThinSOT Package
90% Efficiency, V
IN
= 1.6V to 18V, V
OUT(MAX)
= 35V, I
Q
= 1.8mA,
I
SD
= <1µA, MS Package
V
IN
= 2.45V to 16V V
OUT(MAX)
= 34V, I
Q
= 3.2mA,
I
SD
= <1µA, MS8 Package
90% Efficiency, V
IN
= 3V to 25V, V
OUT(MAX)
= 35V, I
Q
= 0.9mA,
I
SD
= 6µA, MS8E Package
92% Efficiency, V
IN
= 0.85V to 5V, V
OUT(MAX)
= 5V,
I
Q
= 19µA/300µA, I
SD
= <1µA, ThinSOT Package
97% Efficiency, V
IN
= 0.5V to 5V, V
OUT(MAX)
= 6V, I
Q
= 38µA,
I
SD
= <1µA, MS Package
97% Efficiency, V
IN
= 0.5V to 5V, V
OUT(MAX)
= 6V, I
Q
= 38µA,
I
SD
= <1µA, MS Package
3436fa
LT/LWI/LT 0505 REV A • PRINTED IN USA
16
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
(408) 432-1900
FAX: (408) 434-0507
U
High Voltage Laser Power Supply
0.01µF
5kV
1800pF
10kV
47k
5W
1800pF
10kV
11
2
8
3
LASER
+
2.2µF
Q1
0.47µF
Q2
L2
10µH
V
SW
V
IN
LT3436
V
C
GND
FB
10k
0.1µF
10k
V
IN
(ALL)
190Ω
1%
L1 = TBD
Q1, Q2 = ZETEX ZTX849
0.47µF = WIMA 3X 0.15µF TYPE MKP-20
HV Diodes = SEMTECH-FM-50
LASER = HUGHES 3121H-P
COILTRONICS (407) 241-7876
+
10µF
LT3436 • TA05
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LINEAR TECHNOLOGY CORPORATION 2003