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SC183CEVB 数据表(PDF) 5 Page - Semtech Corporation

部件名 SC183CEVB
功能描述  2.5MHz, 2A Synchronous Step-Down Regulator
PDF  20 Pages
Scroll/Zoom Zoom In 100%  Zoom Out
制造商  SEMTECH [Semtech Corporation]
网页  http://www.semtech.com
标志 SEMTECH - Semtech Corporation

SC183CEVB 数据表(HTML) 5 Page - Semtech Corporation

  SC183CEVB Datasheet HTML 1Page - Semtech Corporation SC183CEVB Datasheet HTML 2Page - Semtech Corporation SC183CEVB Datasheet HTML 3Page - Semtech Corporation SC183CEVB Datasheet HTML 4Page - Semtech Corporation SC183CEVB Datasheet HTML 5Page - Semtech Corporation SC183CEVB Datasheet HTML 6Page - Semtech Corporation SC183CEVB Datasheet HTML 7Page - Semtech Corporation SC183CEVB Datasheet HTML 8Page - Semtech Corporation SC183CEVB Datasheet HTML 9Page - Semtech Corporation Next Button
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SC183C
www.semtech.com
© 2010 Semtech Corp.
5
Typical Characteristics
Efficiency vs. Load Current (V
OUT=1.5V)
Load Regulation (V
OUT=1.5V)
Efficiency vs. Load Current (V
OUT=3.3V)
Load Regulation (V
OUT=3.3V)
Total Loss vs. Load Current (V
OUT=1.5V)
Total Loss vs. Load Current (V
OUT=3.3V)
Efficiency
60%
65%
70%
75%
80%
85%
90%
95%
100%
0.0
0.4
0.8
1.2
1.6
2.0
Output Current (A)
VIN= 5.0V
VOUT= 1.5V
TA=25°C
L=1071AS-1R0 (33m
_typ)
L=1127AS-2R2 (40m
_typ)
L=1071AS-2R2 (50m
_typ)
Circuit Conditions: C
IN= 10mF/6.3V, COUT= 22mF/6.3V. Unless otherwise noted, L= 2.2mH (TOKO: 1127AS-2R2M).
Efficiency
60%
65%
70%
75%
80%
85%
90%
95%
100%
0.0
0.4
0.8
1.2
1.6
2.0
Output Current (A)
VIN= 5.0V
VOUT= 3.3V
TA=25°C
L=1071AS-1R0 (33m
_typ)
L=1127AS-2R2 (40m
_typ)
L=1071AS-2R2 (50m
_typ)
Total Loss
0
200
400
600
800
1000
0.0
0.4
0.8
1.2
1.6
2.0
Output Current (A)
VIN= 5.0V
VOUT= 1.5V
TA=25°C
L=1071AS-1R0 (33m
_typ)
L=1127AS-2R2 (40m
_typ)
L=1071AS-2R2 (50m
_typ)
Load Regulation
-0.5%
-0.4%
-0.3%
-0.2%
-0.1%
0.0%
0.1%
0.2%
0.3%
0.4%
0.5%
0.0
0.4
0.8
1.2
1.6
2.0
Output Current (A)
VIN= 3.3V
VIN= 5.0V
VOUT= 1.5V
TA=25°C
Load Regulation
-0.5%
-0.4%
-0.3%
-0.2%
-0.1%
0.0%
0.1%
0.2%
0.3%
0.4%
0.5%
0.0
0.4
0.8
1.2
1.6
2.0
Output Current (A)
VIN= 5.0V
VOUT= 3.3V
TA=25°C
Total Loss
0
200
400
600
800
1000
0.0
0.4
0.8
1.2
1.6
2.0
Output Current (A)
VIN= 5.0V
VOUT= 3.3V
TA=25°C
L=1071AS-1R0 (33m
_typ)
L=1127AS-2R2 (40m
_typ)
L=1071AS-2R2 (50m
_typ)



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