SC1101CS.TR Semtech, SC1101CS.TR Datasheet - Page 5
SC1101CS.TR
Manufacturer Part Number
SC1101CS.TR
Description
IC, VOLTAGE MODE PWM CTRL, 5.25V, 8-SOIC
Manufacturer
Semtech
Datasheet
1.SC1101CS.TR.pdf
(7 pages)
Specifications of SC1101CS.TR
Input Voltage
7V
Output Current
500mA
Frequency
200kHz
Supply Voltage Range
4.75V To 5.25V
Digital Ic Case Style
SOIC
No. Of Pins
8
Operating Temperature Range
0°C To +70°C
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
SC1101CS.TR
Manufacturer:
SC
Quantity:
20 000
POWER MANAGEMENT
Applications Information (Cont.)
Layout diagram for the SC1101
V
Application Circuit
5V to 2.0V @ 10A (Bootstrapped)
2005 Semtech Corp.
O
= V
+5V
GND
REF
(1 + Ra/Rb)
C4
0.1
R1
10
* NOTE:
R6 = R7 x (Vout/1.25 - 1) rounded to nearest 1%value
10
R2
1k
C1
1.0
Heavy lines indicate
high current paths.
0.001uF
C5
0.001
R3
1k
150/6.3V
C2
1
2
3
4
1
2
3
4
VCC
CS(-)
CS(+)
PGND
150/6.3V
C3
SC1101CS
VCC
CS(-)
CS(+)
PGND
D1
LL42
SC1101
U1
0.1uF
GND
GND
BST
BST
DH
FB
DH
FB
C7
0.1
8
7
6
5
8
7
6
5
IRLR3103
Q1
C6
0.01
12V IN
R4
2.2
Rb
Ra
5
MBRD1035L
D2
L1
4uH
Q1
D1
Cin
R5
0.05
5V
+
4uH
C8
330/2.5V
C9
330/2.5V
Cout
C10
330/2.5V
+
C11
1.0
Vout
www.semtech.com
SC1101
R6
76.8 *see note
R7
127
Vout = 2V @ 10A
+
GND