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參數(shù)資料
| 型號(hào)： | TPS2363PFBRG4 |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 電源管理 |
| 英文描述： | 1-CHANNEL POWER SUPPLY SUPPORT CKT, PQFP48 |
| 封裝： | PLASTIC, TQFP-48 |
| 文件頁數(shù)： | 40/44頁 |
| 文件大?。?/td> | 840K |
| 代理商： | TPS2363PFBRG4 |
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www.ti.com
SLUS680B – JANUARY 2006 – REVISED JANUARY 2010
ELECTRICAL CHARACTERISTICS (continued)
Supply voltages; SH33A/B & AUXINA/B = 3.0 V to 3.6 V, SH12A/B = 10.8 V to 13.2 V, TA = -40°C to 85°C, RFILTER = open,
all outputs are not loaded (unless otherwise specified).
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
PCIExpress AUX
AUXINA/B voltage
3.0
3.6
V
AUXENA/B = high, (no load), ONA/B
1
= high
AUXINA/B supply current
AUXENA/B = high, (no load), ONA/B
mA
1
= low
AUXENA/B = low, ONA/B = low
1
AUXENA/B = high, I(VAUXA/B) =
VAUXA/B on resistance
400
m
375 mA
Default current limit, VAUXA/B = 1 V
400
750
mA
VAUXA/B set to high current limit
Current llmit
(SMBus) or (pins 18 & 19),
0.8
1.4
A
VAUXA/B = 1 V
Increasing
2.8
2.9
3.0
V
UVLO
Hysteresis
50
mV
Increasing
2.7
2.8
2.9
V
PGOOD
Hysteresis
50
mV
bleed down resistance
AUXENA/B = low, VAUXA/B = 1.65
400
V
low comparator threshold
0.075
0.1
0.15
V
Off-state output offset voltage
AUXENA/B = low, TJ = 125°C
50
mV
Timing
VFILTER (CFILTERA/B)
Threshold voltage
1.2
1.25
1.3
V
Filter charging current, when the
voltage across the sense resistor is
2.1
2.5
3.1
mA
IFILTER (CFILTERA/B)
greater than the threshold limit
Filter discharging current, 1.5 V
1
mA
RFILTER
108.8
110
111.2
k
The voltage across the sense
Scaling factor SF
resistor is greater than the threshold
4.5
5
5.5
V
limit
(SH12A/B - SL12A/B = 110 mV) or
Fast trip
200
500
(SH33A/B – SL33A/B = 110 mV)
ns
12 V at 9.2 V, 3.3 V and VAUXA/B
PGOOD response to output UV
100
200
at 2.5 V
POR, power on reset
After AUXINA/B becomes valid
250
ms
GPIA/Bx, debounce
Designed for switch contact closure
5
ms
Copyright 2006–2010, Texas Instruments Incorporated
5
Product Folder Link(s): TPS2363
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