SC1101CS.TRT Semtech, SC1101CS.TRT Datasheet - Page 5

• Manufacturer Part Number: SC1101CS.TRT
• Description: IC, VOLTAGE MODE PWM CTRL, 5.25V, 8-SOIC
• Manufacturer: Semtech

Specifications of SC1101CS.TRT

• Input Voltage: 7V
• Output Current: 500mA
• Frequency: 230kHz
• 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: Lead free / RoHS Compliant

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