LTC3535_15 Datasheet, PDF (16/16 Pages) Linear Technology – Dual Channel 550mA 1MHz Synchronous Step-Up DC/DC Converter

LTC3535
TYPICAL APPLICATION
3.3V Converter Operates from a Single Cell or from Harvested Thermal Energy, as Low as 1°C ∆T
TEG
FERROTEC 9500/127/100B
COILCRAFT
LPR6235-752SML
T1
1nF
1:100
47µF ^{• •}
330pF
1µF
C1
V_STORE
V_{OUT2_EN}
C2
V_OUT ^{2.35V PEAK}
LTC3108
+
SW
D1A
VS1
V_OUT2
VS2
VLDO
1µF
V_AUX
D1B
GND ^PGD
BAT54C
COILCRAFT XFL4020-472
4.7µH
SINGLE
AAA CELL
+
2.2µF
C1
1.5mF
2.2µF
SW1
V_IN1
V_OUT1
SHDN1
V_OUT2
LTC3535
V_IN2
FB1
SHDN2
FB2
GND SW2 GND
4.7µH
COILCRAFT XFL4020-472
3.3V
10µF
V_OUT
1.78M
30.1k
1M
3535 TA03
RELATED PARTS
PART NUMBER
LTC3525-3
LTC3525-3.3
LTC3525-5
LTC3525L-3
LTC3526/LTC3526B
LTC3526-2
LTC3526B-2
LTC3526L
LTC3526LB
LTC3526/LTC3526B
LTC3527/LTC3527-1
LTC3528
LTC3528-2
LTC3537
LTC3539
LTC3539-2
DESCRIPTION
400mA Micropower Synchronous Step-Up DC/DC
Converter with Output Disconnect
COMMENTS
95% Efficiency V_IN: 1V to 4.5V, V_OUT(MAX) = 3.3V or 5V, I_Q = 7µA,
I_SD < 1µA, SC-70 Package
400mA Micropower Synchronous Step-Up DC/DC
Converter with Output Disconnect
500mA, 1MHz/2.2MHz, Synchronous Step-Up DC/DC
Converters with Output Disconnect
93% Efficiency V_IN: 0.88V to 4.5V, V_OUT = 3V, I_Q = 7µA,
I_SD < 1µA, SC-70 Package
94% Efficiency V_IN: 0.85V to 5V, V_OUT(MAX) = 5.25V, I_Q = 9µA,
I_SD < 1µA, 2mm × 2mm DFN-6 Package
550mA, 1MHz, Synchronous Step-Up DC/DC
Converters with Output Disconnect
500mA (I_SW), 1MHz Synchronous Step-Up DC/DC
Converter with Output Disconnect
Dual 800mA and 400mA (ISW), 2.2MHz, Synchronous
Step-Up DC/DC Converter with Output Disconnect
1A (I_SW), 1MHz Synchronous Step-Up DC/DC with
Output Disconnect Converter
600mA , 2.2MHz, Synchronous Step-Up DC/DC
Converter with Output Disconnect and 100mA LDO
2A (I_SW), 1/2MHz, Synchronous Step-Up DC/DC
Converter with Output Disconnect
94% Efficiency V_IN: 0.7V to 5V, V_OUT(MAX) = 5.25V, I_Q = 9µA,
I_SD < 1µA, 2mm × 2mm DFN-6 Package
94% Efficiency V_IN: 0.8V to 5V, V_OUT(MAX) = 5.25V, I_Q = 9µA,
I_SD < 1µA, 2mm × 2mm DFN-6 Package
94% Efficiency V_IN: 0.7V to 5V, V_OUT(MAX) = 5.25V, I_Q = 12µA,
I_SD < 1µA, 3mm × 3mm QFN-16 Package
94% Efficiency V_IN: 0.7V to 5V, V_OUT(MAX) = 5.25V, I_Q = 12µA,
I_SD < 1µA, 2mm × 3mm DFN-8 Package
94% Efficiency V_IN: 0.7V to 5V, V_OUT(MAX) = 5.25V, I_Q = 30µA,
I_SD < 1µA, 3mm × 3mm QFN-16 Package
94% Efficiency V_IN: 0.7V to 5V, V_OUT(MAX) = 5.25V, I_Q = 10µA,
I_SD < 1µA, 2mm × 3mm DFN-8 Package
16 Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
[phone] ^● FAX: [phone] ^● www.linear.com
3535fa
LT 0910 REV A • PRINTED IN USA
 LINEAR TECHNOLOGY CORPORATION 2009