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LTC1622CS8 Datasheet(PDF) 13 Page - Linear Technology

Part # LTC1622CS8
Description  Low Input Voltage Current Mode Step-Down DC/DC Controller
PDF  16 Pages
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Manufacturer  LINER [Linear Technology]
Direct Link  http://www.linear.com
Logo LINER - Linear Technology

LTC1622CS8 Datasheet(HTML) 13 Page - Linear Technology

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13
LTC1622
TYPICAL APPLICATIONS
1
2
3
4
8
7
6
5
1
4
8
7
6
5
SENSE–
ITH
VFB
VIN
PDRV
GND
SYNC/
MODE
RUN/
SS
L1
3.3
µH
R2
0.025
Ω
U1
VOUT
1.8V
1.5A
VIN
2.5V TO
8.5V
1622 TA01
R1
10K
C3
220pF
C1
47
µF
16V
C2
220
µF
6V
C4
560pF
R3
93.1k
LTC1622
+
R4
75k
C1: AVX TPSD476M016R0150
C2: AVX TPSD227M006R0100
L1: MURATA LQN6C3R3
R2: DALE WSL-1206 0.025
Ω
U1: INTERNATIONAL RECTIFIER
FETKY
TM IRF7422D2
2
3
LTC1622 1.8V/1.5A Regulator with Burst Mode Operation Disabled
FETKY is a trademark of International Rectifier Corporation.
LTC1622 2.5V/2A Regulator with Burst Mode Operation Enabled
D1
L1
4.7
µH
R2
0.02
Ω
M1
R3
158k
VOUT
2.5V
2A
VIN
3.3V TO
8.5V
R4
75k
1622 TA02
C4
560pF
C1
47
µF
16V
× 2
+
C2
150
µF
6V
× 2
+
1
2
3
4
8
7
6
SENSE–
ITH
VFB
VIN
PDRV
GND
RUN/
SS
LTC1622
SYNC/
MODE
R1
10k
C3
220pF
5
C1: AVX TPSD476M016R0150
C2: SANYO POSCAP 6TPA47M
D1: MOTOROLA MBR320T3
L1: COILCRAFT D03316-472
M1: SILICONIX Si3443DV
R2: DALE WSL-2010 0.02
Ω



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