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TPS2490 датащи(PDF) 8 Page - Texas Instruments

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номер детали TPS2490
подробное описание детали  POSITIVE HIGH-VOLTAGE POWER-LIMITING HOTSWAP CONTROLLER
PDF  20 Pages
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производитель  TI [Texas Instruments]
домашняя страница  http://www.ti.com
Logo TI - Texas Instruments

TPS2490 датащи(HTML) 8 Page - Texas Instruments

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A
B
A
2B
S
V (DS)
Detector
Enable
Constant
Power
Engine
_
+
50 mV max
Charge
Pump
22 mA
Gate Control
Amplifier
4 V
Reference
14 V
2 mA
S
+
−
+
−
I (D)
Detector
_
+
9 mS
Deglitch
Inrush
Complete
Power/Current
Amplifier
25 mA
Fault
Logic
_
+
4 V
and
1 V
2.5 mA
Timer
For Autoretry Opion with
Duty Cycle of 0.75%
_
+
_
+
UVLO
Enable
POR
8.4 V and
8.3 V
1.35 V and
1.25 V
10
VCC
3
PROG
9
SENSE
1
EN
5
GND
4
TIMER
6
PG
7
OUT
8
GATE
2
VREF
2.25 V and
1.25 V
Enable
TPS2490
TPS2491
SLVS503 – NOVEMBER 2003
FUNCTIONAL BLOCK DIAGRAM
TERMINAL FUNCTIONS
TERMINAL
I/O
DESCRIPTION
NAME
NO.
EN
1
I
Device enable
VREF
2
O
Reference voltage output, used to set power threshold on PROG pin
PROG
3
I
Power-limit setting input
TIMER
4
I/O
Fault timing capacitor
GND
5
Ground
PG
6
O
Power good reporting output, open-drain
OUT
7
I
Output voltage feedback
GATE
8
O
Gate output
SENSE
9
I
Current-limit sense input
VCC
10
I
Supply input
8



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