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L7986TA Datasheet(PDF) 7 Page - STMicroelectronics

Part # L7986TA
Description  3 A step-down switching regulator
PDF  43 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

L7986TA Datasheet(HTML) 7 Page - STMicroelectronics

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L7986TA
Electrical characteristics
Doc ID 022098 Rev 3
7/43
Error amplifier
VCH
High level output voltage
VFB<0.6 V
3
V
VCL
Low level output voltage
VFB>0.6 V
0.1
IO SOURCE
Source COMP pin
VFB=0.5 V, VCOMP=1 V
19
mA
IO SINK
Sink COMP pin
VFB=0.7 V, VCOMP=1 V
30
mA
GV
Open-loop voltage gain
(1)
100
dB
Synchronization function
VS_IN,HI
High input voltage
2
3.3
V
VS_IN,LO
Low input voltage
1
tS_IN_PW
Input pulse width
VS_IN,HI=3 V,
VS_IN,LO=0 V
100
ns
VS_IN,HI=2 V,
VS_IN,LO=1 V
300
ISYNCH,LO
Slave sink current
VSYNCH=2.9 V
0.7
1
mA
VS_OUT,HI
Master output amplitude
ISOURCE=4.5 mA
2
V
tS_OUT_PW
Output pulse width
SYNCH floating
110
ns
Protection
TSHDN
Thermal shutdown
150
°C
Hysteresis
30
1.
Guaranteed by design.
Table 4.
Electrical characteristics (continued)
Symbol
Parameter
Test condition
Values
Unit
Min.
Typ.
Max.



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