LTC1622IS8#TR Linear Technology, LTC1622IS8#TR Datasheet - Page 14

• Manufacturer Part Number: LTC1622IS8#TR
• Description: IC CTRLR DC/DC STEP DOWN 8SOIC
• Manufacturer: Linear Technology
• Type: Step-Down (Buck)r

Specifications of LTC1622IS8#TR

• Internal Switch(s): No
• Synchronous Rectifier: No
• Number Of Outputs: 1
• Voltage - Output: 0.8 ~ 9.8 V
• Current - Output: 1A
• Frequency - Switching: 110kHz ~ 550kHz
• Voltage - Input: 2 ~ 10 V
• Operating Temperature: -45°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 8-SOIC (3.9mm Width)
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Power - Output: -

LTC1622
14
TYPICAL APPLICATIONS
C1: AVX TPSD476M016R0150
C2: AVX TPSD107M010R0080
D1: MOTOROLA MBRS320T3
L1A, L1B: BH ELECTRONICS BH511-1012
R2: DALE WSL-1206 0.04
R1
47k
D2
1N4818
C3
470pF
R1
10k
C3
220pF
0.1 F
LTC1622 2.5V/3A Regulator with External Frequency Synchronization
C4
C1: AVX TPSD476M016R0150
C2: AVX TPSD107M010R0065
D1: MOTOROLA MBR320T3
U
1
2
3
4
1
2
3
4
C4
560pF
SENSE
I
V
RUN/
SS
SENSE
I
V
RUN/
SS
TH
TH
FB
FB
Zeta Converter with Foldback Current Limit
LTC1622
LTC1622
–
–
SYNC/
MODE
SYNC/
PDRV
MODE
PDRV
GND
GND
V
V
IN
IN
L1B
8
7
6
5
8
7
6
5
650kHz
1.5V
4
3
TOP VIEW
6.2 H
P-P
L1A
L1: COILCRAFT D03316-472
M1: SILICONIX Si3443DV
R2: DALE WSL-2512 0.01
•
2
Si3441DV
1
R2
0.04
D1
47 F
16V
L1A
+
M1
+
R2
0.01
4.7 H
L1
D1
C1
47 F
16V
6.2 H
2
L1B
+
+
+
V
(V)
2.5
3.3
5.0
6.0
8.4
C1
47 F
16V
C2
100 F
6.3V
IN
2
2
C2
100 F
10V
I
OUT(MAX)
0.45
0.70
0.95
1.00
1.05
(A)
R3
158k
R4
75k
1622 TA03
R3
232k
R4
75k
V
3.3V TO
8.5V
V
2.5V
3A
IN
OUT
1622 TA04
V
2.5V TO
8.5V
V
3.3V
IN
OUT