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L5983 Fiches technique(PDF) 7 Page - STMicroelectronics

No de pièce L5983
Description  1.5A step-down switching regulator
PDF  37 Pages
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Fabricant  STMICROELECTRONICS [STMicroelectronics]
Site Internet  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

L5983 Fiches technique(HTML) 7 Page - STMicroelectronics

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Electrical characteristics
L5983
7/37
2. Guaranteed by design.
IFB
Bias source current
VFB=0V to 0.8V
1
µA
IO SOURCE Source COMP pin
VFB=0.5V, VCOMP=1V
17
mA
IO SINK
Sink COMP pin
VFB=0.7V, VCOMP=1V
25
mA
GV
Open loop voltage gain
(2)
100
dB
Synchronization function
High input voltage
2
3.3
V
Low input voltage
1
Slave sink current
VSYNCH=2.9V
0.7
0.9
mA
Master output amplitude
ISOURCE=200µA3.0
V
Output pulse width
SYNCH floating
110
ns
Input pulse width
70
Protection
IFBDISC
FB disconnection source
current
1
µA
TSHDN
(1)
Thermal shutdown
150
°C
Hystereris
30
1.
Specification refered to TJ from -40 to +125°C. Specification in the -40 to +125°C temperature range are
assured by design, characterization and statistical correlation.
Table 3.
Electrical characteristics
Symbol
Parameter
Test condition
Values
Unit
Min
Typ
Max



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