LTC1622CMS8 View Datasheet(PDF) - Linear Technology
Part Name
Description
MFG CO.
'LTC1622CMS8' PDF : 16 Pages View PDF
LTC1622
TYPICAL APPLICATIONS
LTC1622 2.5V/3A Regulator with External Frequency Synchronization
R1
10k
C3
220pF
VIN
3.3V TO
1 SENSE–
8
VIN
R2
+ C1
8.5V
0.01Ω
47µF
16V
×2
2 ITH
7
PDRV
3
LTC1622
6
VFB
GND
M1 L1
D1
4.7µH
VOUT
2.5V
4 RUN/
SS
SYNC/ 5
MODE
R3
3A
+
C2
100µF
158k
C4
560pF
650kHz
1.5VP-P
6.3V
×2
R4
75k
C1: AVX TPSD476M016R0150
C2: AVX TPSD107M010R0065
D1: MOTOROLA MBR320T3
L1: COILCRAFT D03316-472
M1: SILICONIX Si3443DV
R2: DALE WSL-2512 0.01Ω
1622 TA03
Zeta Converter with Foldback Current Limit
D2
1N4818
R1
47k
C3
470pF C4
0.1µF
1 SENSE–
8
VIN
2 ITH
PDRV 7
LTC1622
3 VFB
6
GND
4 RUN/
SS
SYNC/ 5
MODE
R2
+
0.04Ω
Si3441DV
L1A
6.2µH
47µF
16V
C1
47µF
16V
×2
L1B
6.2µH
+
D1
C2
100µF
10V
VIN
2.5V TO
8.5V
R3
232k
VOUT
3.3V
R4
75k
C1: AVX TPSD476M016R0150
C2: AVX TPSD107M010R0080
3
2
D1: MOTOROLA MBRS320T3
L1B TOP VIEW L1A
L1A, L1B: BH ELECTRONICS BH511-1012
R2: DALE WSL-1206 0.04Ω
4
•1
VIN IOUT(MAX)
(V)
(A)
2.5
0.45
3.3
0.70
5.0
0.95
6.0
1.00
8.4
1.05
1622 TA04
14
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