SC4503TSKTRT Semtech, SC4503TSKTRT Datasheet - Page 20

• Manufacturer Part Number: SC4503TSKTRT
• Description: IC SW REG STEP-UP 1.4A TSOT23-5
• Manufacturer: Semtech
• Type: Step-Up (Boost), Sepicr

Specifications of SC4503TSKTRT

• Internal Switch(s): Yes
• Synchronous Rectifier: No
• Number Of Outputs: 1
• Voltage - Output: Adj to 27V
• Current - Output: 1.4A
• Frequency - Switching: 1.3MHz
• Voltage - Input: 2.5 ~ 20 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: TSOT-23-5, TSOT-5, TSOP-5
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Power - Output: -
• Other names: SC4503TSKTR

 2007 Semtech Corp.
EVB Schematic
POWER MANAGEMENT
12VOUT
R1
0R
C4
15pF
12VOUT
C4
15pF
R1
0R
432K
49.9K
R2
R5
432K
49.9K
R2
R5
C2
N.P.
R4
0R
R4
0R
N.P.
C2
C3
10uF
10uF
C3
8
7
6
5
D1
SS13
N.C.
GND
GND
FB
SC4503_MLPD
D1
SS13
20
SHDN/SS
1
2
3
VIN
SW
SW
U1
U1
SC4503
SW
GND
FB
L1
4.7uH
1
2
3
4
SHDN
VIN
L1
4.7uH
5
4
C5
100n
C5
100nF
R3
47K
R3
47K
C1
10uF
C1
10uF
JP1
5VIN
5VIN
OFF/ON
JP1
OFF/ON
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SC4503