SC4626XEVB-1(2009) Ver la hoja de datos (PDF) - Semtech Corporation
Número de pieza
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fabricante
SC4626XEVB-1 Datasheet PDF : 21 Pages
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SC4626
Typical Characteristics
Circuit Conditions: VOUT=1.0V (SC4626A), 1.5V (SC4626H) & 3.3V (SC4626Z);CIN= 10uF/6.3V;COUT= 10uF/6.3V for L=2.2uH;COUT= 22uF/6.3V for L=1uH.
Unless otherwise noted, L= 2.2uH (TOKO: 1071AS-2R2M).
Efficiency vs. LoadEffCicuiernrceynt (VOUT=1.5V)
100%
95%
VIN= 5.0V
Efficiency vs. LoadEffCicuiernrceynt (VOUT=3.3V)
100%
95%
VIN= 4.0V
90%
90%
85%
80%
85%
80%
VIN= 5.0V
75%
70%
VIN= 3.3V
65%
VOUT= 1.50V
TA=25°C
60%
0.0
0.2
0.4
0.6
0.8
1.0
Output Current (A)
75%
70%
65%
VOUT= 3.30V
TA=25°C
60%
0.0
0.2
0.4
0.6
0.8
1.0
Output Current (A)
Efficiency vs. Load CurErfeficnietn(cVyIN=5.0V, VOUT=1.0V)
100%
L=1071AS-2R2N (50m_typ)
95%
90%
L=1071AS-1R0N (33m_typ)
85%
80%
75%
70%
65%
60%
0.0
L=MDT2520-CR1R0M (60m_typ)
VIN= 5.0V
VOUT= 1.0V
TA=25°C
L=LQM2HPN1R0MG0
0.2
0.4
0.6
0.8
1.0
Output Current (A)
Efficiency vs. Load CurErfeficnietn(cVyIN=5.0V, VOUT=3.3V)
100%
L=1071AS-2R2N (50m_typ)
95%
90%
85%
L=1071AS-1R0N (33m_typ)
80%
L=MDT2520-CR1R0M (60m_typ)
75%
70%
65%
VIN= 5.0V
VOUT= 3.3V
TA=25°C
L=LQM2HP1R0MG0 (55m_typ)
60%
0.0
0.2
0.4
0.6
0.8
1.0
Output Current (A)
Total Loss vs. LoadLCosusrersent (VOUT=1.5V)
500
VOUT= 1.50V
TA=25°C
400
VIN= 3.3V
Total Loss vs. LoadLCosusrersent (VOUT=3.3V)
500
VOUT= 3.30V
TA=25°C
400
300
300
VIN= 5.0V
200
200
100
VIN= 5.0V
0
0.0
0.2
0.4
0.6
0.8
Output Current (A)
© 2009 Semtech Corp.
100
0
1.0
0.0
VIN= 4.0V
0.2
0.4
0.6
0.8
1.0
Output Current (A)
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