參數(shù)資料
型號: TPS2490DGSRG4
廠商: TEXAS INSTRUMENTS INC
元件分類: 電源管理
英文描述: 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO10
封裝: GREEN, PLASTIC, MSOP-10
文件頁數(shù): 23/24頁
文件大小: 534K
代理商: TPS2490DGSRG4
A
B
A
2B
V(DS)
Detector
Enable
Constant
Power
Engine
_
+
50mVmax
Charge
Pump
22 A
m
GateControl
Amplifier
4V
Reference
14V
2mA
+
+
I(D)
Detector
_
+
9mS
Deglitch
Inrush
Complete
Power/Current
Amplifier
25 A
m
Fault
Logic
_
+
4V
and
1V
2.5 A
m
Timer
For AutoretryOptionwith
DutyCycleof0.75%
_
+
_
+
UVLO
Enable
POR
8.4Vand
8.3V
1.35Vand
1.25V
10
VCC
3
PROG
9
SENSE
1
EN
5
GND
4
TIMER
6
PG
7
OUT
8
GATE
2
VREF
2.7Vand
1.25V
Enable
SLVS503C
– NOVEMBER 2003 – REVISED SEPTEMBER 2011
FUNCTIONAL BLOCK DIAGRAM
PIN FUNCTIONS
PIN
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
Copyright
2003–2011, Texas Instruments Incorporated
Product Folder Link(s): TPS2490 TPS2491
相關(guān)PDF資料
PDF描述
TPS2490DGSR 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO10
TPS2490DGSG4 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO10
TPS2490DGS 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO10
TPS2491DGSG4 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO10
TPS2492PW 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO14
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