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SC414EVB датащи(PDF) 5 Page - Semtech Corporation

номер детали SC414EVB
подробное описание детали  6A Integrated FET Regulator with 5V LDO
PDF  29 Pages
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производитель  SEMTECH [Semtech Corporation]
домашняя страница  http://www.semtech.com
Logo SEMTECH - Semtech Corporation

SC414EVB датащи(HTML) 5 Page - Semtech Corporation

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SC414/SC424
5
Electrical Characteristics (continued)
Parameter
Conditions
Min
Typ
Max
Units
Input Supplies (continued)
V5V Supply Current
ENL, EN/PSV = 0V , V5V = 5V
3
7
μA
ENL, EN/PSV = 0V , V5V = 3V
2
SC414, EN/PSV = V5V, no load (f
SW
= 25kHz),
V
FB
> 750mV(2)
1
mA
SC424, EN/PSV = V5V, no load, V
FB
> 750mV(2)
0.4
V5V = 5V, f
SW
= 250kHz, EN/PSV = floating, no load(2)
4
V5V = 3V, f
SW
= 250kHz, EN/PSV = floating, no load(2)
2.5
FB Comparator Threshold
Static V
IN
and load, 0 to +85 °C, V5V = 3V or 5V
0.744
0.750
0.756
V
Static V
IN
and load, -40 to +85 °C, V5V = 3V or 5V
0.7425
0.7575
V
Frequency Range
Continuous mode operation
1000
kHz
Minimum f
SW
, (SC414 only), EN/PSV = V5V, no load
25
Bootstrap Switch Resistance
10
Ω
Timing
On-Time
Continuous mode operation,
V
IN
= 15V, V
OUT
= 3V, R
TON
= 300kΩ
1350
1500
1650
ns
V5V < 4.5V(3)
Minimum On-Time (2)
80
ns
Minimum Off-Time (2)
V5V = 5V
320
ns
V5V = 3V
390
Soft-Start
Soft-Start Ramp Time (2)
1.7
ms
Analog Inputs/Outputs
VOUT Input Resistance
500
kΩ
Current Sense
Zero-Crossing Detector Threshold
LX - PGND, V5V = 3V or 5V
-3
0
+3
mV



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