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SC419 датащи(PDF) 5 Page - Semtech Corporation

номер детали SC419
подробное описание детали  EcoSpeedTM DC-DC Converter with Integrated Boost Diode
PDF  24 Pages
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производитель  SEMTECH [Semtech Corporation]
домашняя страница  http://www.semtech.com
Logo SEMTECH - Semtech Corporation

SC419 датащи(HTML) 5 Page - Semtech Corporation

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SC419
5
Electrical Characteristics (continued)
Parameter
Conditions
Min
Typ
Max
Units
Logic Inputs/Outputs
Logic Input High Voltage - EN
1.0
V
Logic Input High Voltage - PSV
Forced continuous mode (PSV pulled to VDDA);
PSV with respect to VDDA
-0.4
V
Logic Input Low Voltage - EN
With respect to VDDA
0.4
V
EN Input Bias Current
EN = VDDA or AGND
-10
+10
μA
FB Input Bias Current
FB = VDDA or AGND
-1
+1
μA
PSV Input Bias Current
PSV = VDDA
1
μA
High-Side Driver (DH, BST, LX)
Peak Current(1)
2.0
A
On Resistance
R
DH_PULL-UP, LX < 0.5V
3.0
6.0
Ω
R
DH_PULL-UP, LX > 0.5V
1.0
2.0
Ω
R
DH_PULL-DOWN
0.6
1.2
Ω
Rise Time(1)
C
DH-LX = 3nF
22
ns
Fall Time(1)
C
DH-LX = 3nF
12
ns
Propagation Delay(1)
From FB Comparator Input to DH
30
45
60
ns
Shoot-thru Protection Delay(1)
10
20
30
ns
Bootstrap Switch On Resistance
10
Ω
Low-Side Driver (DL, VDDP, PGND)
Peak Current(1)
4.0
A
On Resistance
R
DL_PULL-UP
1.3
2.1
Ω
R
DL_PULL-DOWN
0.50
0.86
Ω
Rise Time(1)
C
DL = 3nF
7
ns
Fall Time(1)
C
DL = 3nF
3.5
ns
Notes:
(1) Guaranteed by design.



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