SC4501STDEVB Semtech, SC4501STDEVB Datasheet - Page 17

• Manufacturer Part Number: SC4501STDEVB
• Description: EVALUATION BOARD
• Manufacturer: Semtech

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
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SC4501