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LT1610CS8 Datasheet(PDF) 16 Page - Linear Technology

Part # LT1610CS8
Description  1.7MHz, Single Cell Micropower DC/DC Converter
PDF  16 Pages
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Manufacturer  LINER [Linear Technology]
Direct Link  http://www.linear.com
Logo LINER - Linear Technology

LT1610CS8 Datasheet(HTML) 16 Page - Linear Technology

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16
LT1610
1610f LT/TP 0699 4K • PRINTED IN USA
©LINEAR TECHNOLOGY CORPORATION 1998
TYPICAL APPLICATIONS N
Li-Ion to 3.3V SEPIC DC/DC Converter
PART NUMBER
DESCRIPTION
COMMENTS
LTC
®1474
Micropower Step-Down DC/DC Converter
94% Efficiency, 10
µA IQ, 9V to 5V at 250mA
LT1307
Single Cell Micropower 600kHz PWM DC/DC Converter
3.3V at 75mA from 1 Cell, MSOP Package
LTC1440/1/2
Ultralow Power Single/Dual Comparators with Reference
2.8
µA IQ, Adjustable Hysteresis
LTC1502-3.3
Single Cell to 3.3V Regulated Charge Pump
40
µA IQ, No Inductors, 3.3V at 10mA from 1V Input
LT1521
Micropower Low Dropout Linear Regulator
500mV Dropout, 300mA Current, 12
µA IQ
LT1611
Inverting 1.4MHz DC/DC Converter
5V to – 5V at 150mA, Tiny SOT-23 Package
LT1613
Step-Up 1.4MHz DC/DC Converter
3.3V to 5V at 200mA, Tiny SOT-23 Package
LTC1682
Doubler Charge Pump with Low Noise Linear Regulator
Fixed 3.3V and 5V Outputs, 1.8V to 4.4V Input Range, 50mA Output
RELATED PARTS
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
(408)432-1900 q FAX:(408)434-0507 q www.linear-tech.com
SHUTDOWN
C2
22
µF
6.3V
C1
22
µF
6.3V
L1
22
µH
L2
22
µH
C3
1
µF
CERAMIC
D1
INPUT
Li-ION
3V to 4.2V
VOUT
3.3V
120mA
1610 TA14
+
+
1M
604k
C1, C2: AVX TAJB226M006
C3: AVX 1206YC105 (X7R)
D1: MOTOROLA MBR0520
L1, L2: MURATA LQH3C220 (UNCOUPLED)
OR SUMIDA CLS62-220 (COUPLED)
65
•
•
2
3
4
7
8
1
VIN
SW
PGND
FB
SHDN
GND
COMP
LT1610
VC
Efficiency
LOAD CURRENT (mA)
0.1
60
70
80
1
10
100
1610 TA15
50
40
30
VIN = 2.7V
VIN = 3.6V
VIN = 4.2V
SHUTDOWN
C2
22
µF
6.3V
C1
22
µF
6.3V
L1
22
µH
L2
22
µH
C3
1
µF
CERAMIC
D1
VOUT
5V
120mA
1610 TA16
+
+
1M
324k
C1, C2: AVX TAJB226M006
C3: AVX 1206YC105 (X7R)
D1: MOTOROLA MBR0520
L1, L2: MURATA LQH3C220 (UNCOUPLED)
OR SUMIDA CLS62-220 (COUPLED)
65
•
•
2
3
4
7
8
1
VIN
SW
PGND
FB
SHDN
GND
COMP
LT1610
VC
4 CELLS
4-Cell to 5V/120mA SEPIC DC/DC Converter
LOAD CURRENT (mA)
0.1
60
70
80
1
10
100
1610 TA17
50
40
30
VIN = 3.6V
VIN = 4.2V
VIN = 5V
VIN = 6.5V
4-Cell to 5V Efficiency



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