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