EL7558BCM Просмотр технического описания (PDF) - Elantec -> Intersil
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EL7558BCM Datasheet PDF : 13 Pages
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EL7558BC
Integrated Adjustable 8 Amp Synchronous Switcher
Electrical Characteristics
VDD = VIN = 5V, COSC = 1nF, CSLOPE = 470pF, TA = 25°C unless otherwise specified.
Parameter
Description
Conditions
Controller - Doubler
VC2V
Voltage Doubler Output
Controller - Oscillator
VDD = 5V, ILOAD = 10mA
FRAMP
IOSC CHG
IOSC DIS
FOSC
tsync
Power - FET
Oscillator Ramp Amplitude
Oscillator Charge Current
Oscillator Discharge Current
Oscillator initial accuracy
Minimum oscillator sync width
0.2V<VOSC<1.4V
0.2V<VOSC<1.4V
ILEAK
RDSON
RDSONTC
tbrm
tLEB
LX Output Leakage to VSS
Composite FET Resistance
RDSON Tempco
FET break before make delay
High side FET minimum on time (LEB)
LX = 0V
Min
Typ
Max
Unit
7.5
8.1
8.7
V
1.2
V
150
µA
5
mA
100
120
140
kHz
50
ns
100
µA
18
30
mΩ
0.1
mΩ/ºC
10
ns
140
ns
3
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