SC4501STDEVB Semtech, SC4501STDEVB Datasheet - Page 17
SC4501STDEVB
Manufacturer Part Number
SC4501STDEVB
Description
EVALUATION BOARD
Manufacturer
Semtech
Datasheet
1.SC4501MLTRT.pdf
(21 pages)
Specifications of SC4501STDEVB
Silicon Manufacturer
Semtech
Application Sub Type
Step Up Switching Regulator
Kit Application Type
Power Management - Voltage Regulator
Silicon Core Number
SC4501
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Figure 12(b). Load Transient Response of the Circuit in Figure
POWER MANAGEMENT
Typical Application Circuits
2005 Semtech Corp.
Upper Trace : Output Voltage, AC Coupled, 0.2V/div
Lower Trace : Input Inductor Current, 0.2A/div
Figure 12(a). 1.5 MHz All Ceramic Capacitor 4-Cell to 5V SEPIC Converter. Pinout Shown is for MSOP-8.
12(a). I
at 1A/ s.
V
IN
=3.6V
LOAD
is switched between 50mA and 350mA
3.6 - 6V
4-CELL
40 s/div
2.2 F
C1
OFF
47nF
C3
ON
L1 and L2: Coiltronics CTX5-1
8
3
SHDN
SS
IN
GND
6
4
SC4501
4.9 H
L1
ROSC
7
COMP
5
SW
R4
7.68K
FB
17
Figure 12(c). Load Transient Response of the Circuit in Figure
2
1
2.2 F
C6
R3
20K
Upper Trace : Output Voltage, AC Coupled, 0.2V/div
Lower Trace : Input Inductor Current, 0.2A/div
C4
560pF
10BQ015
L2
4.9 H
D1
12(a). I
at 1A/ s.
V
IN
=6V
47pF
LOAD
C5
is switched between 80mA and 600mA
40 s/div
R1
60.4K
20K
R2
VOUT
10 F
C2
5V
www.semtech.com
SC4501