sc4524d Semtech Corporation, sc4524d Datasheet - Page 18
sc4524d
Manufacturer Part Number
sc4524d
Description
18v 2a Step-down Switching Regulator
Manufacturer
Semtech Corporation
Datasheet
1.SC4524D.pdf
(21 pages)
- Current page: 18 of 21
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Typical Performance Characteristics
(For A 12V to 5V/2A Step-down Converter with 1MHz Switching Frequency)
SS270 REV 6-7
Figure 12(c). Load Transient Response
Figure 12(a). Load Characteristic
5V Output Response (500mV/DIV, AC Coupling)
6
5
4
3
2
1
0
0
0.5
Inductor Current (1A/DIV)
Load Characteristic
(I
Load Current (A)
O
1
= 0.3A to 2A)
40us/DIV
1.5
2
2.5
OCP
SS
3
Figure 12(d). Output Short Circuit (Hiccup)
Figure 12(b). V
12V Input (5V/DIV)
5V Output (2V/DIV)
SS Voltage (1V/DIV)
Retry Inductor Current (2A/DIV)
5V Output Short (5V/DIV)
IN
SS Voltage (2V/DIV)
Start up Transient (I
20ms/DIV
10ms/DIV
SC4524D
O
=2A)
18
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