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L7980 Folha de dados(PDF) 7 Page - STMicroelectronics

Nome de Peças L7980
Descrição Electrónicos  2 A step-down switching regulator
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Fabricante Electrônico  STMICROELECTRONICS [STMicroelectronics]
Página de início  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

L7980 Folha de dados(HTML) 7 Page - STMicroelectronics

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L7980
Electrical characteristics
Doc ID 15181 Rev 4
7/44
VCH
High level output voltage
VFB<0.6V
3
V
VCL
Low level output voltage
VFB>0.6V
0.1
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=4.5mA
2.0
V
Output pulse width
SYNCH floating
110
ns
Input pulse width
70
Protection
TSHDN
Thermal shutdown
150
°C
Hysteresis
30
1.
Specification referred to TJ from -40 to +125°C. Specification in the -40 to +125°C temperature range are
assured by design, characterization and statistical correlation.
2.
Guaranteed by design.
Table 4.
Electrical characteristics
Symbol
Parameter
Test condition
Values
Unit
Min
Typ
Max


Nº de peça semelhante - L7980

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Descrição semelhante - L7980

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