SC4525CSETRT Semtech, SC4525CSETRT Datasheet - Page 18

• Manufacturer Part Number: SC4525CSETRT
• Description: IC BUCK ADJ 3A 8SOIC
• Manufacturer: Semtech
• Series: -r
• Type: Step-Down (Buck), PWM - Current Moder

Specifications of SC4525CSETRT

• Internal Switch(s): Yes
• Synchronous Rectifier: No
• Number Of Outputs: 1
• Voltage - Output: 1 V ~ 26.88 V
• Current - Output: 3A
• Frequency - Switching: 300kHz ~ 1.3MHz
• Voltage - Input: 3 V ~ 28 V
• Operating Temperature: -40°C ~ 105°C
• Mounting Type: Surface Mount
• Package / Case: 8-SOIC (0.154", 3.90mm Width) Exposed Pad
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant
• Other names: SC4525CSETR

Typical Performance Characteristics
(For A 12V to 5V/3A 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)
1
Load Characteristic
(I
Load Current (A)
1.5
O
= 0.3A to 3A)
40us/DIV
2
2.5
3
3.5
4
SS
4.5
OCP
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
SC4525C
O
=3A)
18