SC4525DSETRT Semtech, SC4525DSETRT Datasheet - Page 8

• Manufacturer Part Number: SC4525DSETRT
• Description: IC BUCK ADJ 3A 8SOIC
• Manufacturer: Semtech
• Series: -r
• Type: Step-Down (Buck), PWM - Current Moder

Specifications of SC4525DSETRT

• Internal Switch(s): Yes
• Synchronous Rectifier: No
• Number Of Outputs: 1
• Voltage - Output: 1 V ~ 16.74 V
• Current - Output: 3A
• Frequency - Switching: 65kHz ~ 350kHz
• Voltage - Input: 3 V ~ 18 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: SC4525DSETR

SS270 REV 6-7
© 2011 Semtech Corp.
Typical Characteristics (Cont.)
2.5
2.0
1.5
1.0
0.5
0.0
3.0
2.9
2.8
2.7
2.6
2.5
2.4
-50
(11) Vin Sup Cur vs SS volt
0
(14) SS shutdown threshold vs temp
V
IN
V
2
Thresholds vs Temperature
-25
IN
Quiescent Current vs V
4
0
Temperature (
6
UVLO
Start
25
V
8
125
IN
(V)
10 12 14 16 18
50
o
C
-40
o
o
C
V
C)
75
COMP
SS270 REV 6-7
SS270 REV 6-7
100 125
= 0
IN
0.40
0.35
0.30
0.25
0.20
2.5
2.0
1.5
1.0
0.5
0.0
Curve 12
-50
0
(15) SS charge cur vs SS volt
-25
SS Shutdown Threshold
vs Soft-Start Voltage
V
0.5
Temperature (
IN
vs Temperature
0
Supply Current
25
V
125
-40
SS
1
o
(V)
o
C
50
C
o
75
C)
1.5
SS270 REV 6-7
100 125
SS270 REV 6-7
2
50
40
30
20
10
-0.5
-1.0
-1.5
-2.0
-2.5
-3.0
0.0
0
0
0
V
V
2
SS
IN
Soft-Start Charging Current
= 0
Shutdown Current vs V
4
vs Soft-Start Voltage
0.5
125
-40
6
o
o
www.semtech.com
C
C
V
V
8
IN
SS
(V)
1
10 12 14 16 18
(V)
SC4525D
125
1.5
o
C
-40
IN
o
C
2
8