OM7620ST Просмотр технического описания (PDF) - Omnirel Corp => IRF
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OM7620ST Datasheet PDF : 4 Pages
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OM7620ST
TYPICAL APPLICATIONS
ADJUSTABLE CURRENT LIMITER
+25V
VOUT R1 VO
IO
OM7620ST
VIN
1.25
Adjust
R2
VIN
* To provide current limiting of IO to the 100
system ground, the source of the FET
must be tied to a negative voltage
below -1.25 V.
R2 VREF
IDSS
R1 =
VREF
IOmax + IDSS
VO < BVDSS + 1.25 V + VSS
ILmin – IDSS < IO < 1.5 A
As shown 0 < IO < 1 A
2N5640
Vss*
5 V ELECTRONIC SHUT DOWN REGULATOR
D1
1N4002
VIN
OM7620ST
VOUT
120
1.0µF
Adjust
MPS2222
720
TTL
1K
Control
Minimum VOUT = 1.25 V
D1 protects the device during an input short circuit.
SLOW TURN-ON CURRENT
CURRENT REGULATOR
3.3
VIN
VOUT
OM7620ST
240
Adjust
R2
MPS2907
50 K
IN4001
+10 µF
MECHANICAL OUTLINE
.200
.420
.190
.410
.045
.035
.665
.150
.645
.140
.537
.527
.430
.410
.038 MAX.
.750
.500
.005
VIN
VOUT R1
IOUT
OM7620ST
Adjust
IAdj
IOUT =(VREF) + IAdj @ 1.25 V
R1
R1
10mA IOUT 1.5 A
CONNECTION DIAGRAM
Tab
.035
.100 TYP.
.025
.120 TYP.
NOTES
• Case is metal/hermetically sealed
• Isolated Tab
123
Isolated
Front View
Pin 1 - Adjust
Pin 2 - Output
Pin 3 - Input
Tab - Isolated
Non-Isolated
Front View
Pin 1 - Adjust
Pin 2 - Output
Pin 3 - Input
Tab - Output
205 Crawford Street, Leominster, MA 01453 USA (508) 534-5776 FAX (508) 537-4246
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