- 您現在的位置：買賣IC網 > PDF目錄98280 > TPS2459RHB (TEXAS INSTRUMENTS INC) 2-CHANNEL POWER SUPPLY SUPPORT CKT, PQCC32 PDF資料下載
參數資料
| 型號： | TPS2459RHB |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 電源管理 |
| 英文描述： | 2-CHANNEL POWER SUPPLY SUPPORT CKT, PQCC32 |
| 封裝： | PLASTIC, QFN-32 |
| 文件頁數： | 34/48頁 |
| 文件大?。?/td> | 852K |
| 代理商： | TPS2459RHB |
第1頁第2頁第3頁第4頁第5頁第6頁第7頁第8頁第9頁第10頁第11頁第12頁第13頁第14頁第15頁第16頁第17頁第18頁第19頁第20頁第21頁第22頁第23頁第24頁第25頁第26頁第27頁第28頁第29頁第30頁第31頁第32頁第33頁當前第34頁第35頁第36頁第37頁第38頁第39頁第40頁第41頁第42頁第43頁第44頁第45頁第46頁第47頁第48頁
SLUS917D – FEBRUARY 2009 – REVISED MAY 2010
www.ti.com
ELECTRICAL CHARACTERISTICS (continued)
over –40°C
≤ TJ ≤ 85°C, VIN3 =VVDD3 = 3.3 V, VIN12 = VSENP = VSENM = VSETP = 12 V, VEN3=VEN12=logic 1 or open, VAGND =
VGNDA = VGNDB = 0 V, VSUM12 = 6.8 k to GND, , VSUM3 = 3.3 k to GND. All other pins OPEN, all I
2C bits at different values,
all voltages referenced to GND. (unless otherwise noted)
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
12-V UVLO
UVLO rising
IN12 rising
8.1
8.5
8.9
V
UVLO hysteresis
IN12 falling
0.44
0.5
0.59
12-V BLOCKING
Turn-on threshold
Measure VSENP – VVOUT
5
10
15
mV
Turn-off threshold
Measure VSENP – VVOUT
–6
–3
0
Turn-off delay
20-mV overdrive, CBLK = 0 pF, tP50-50
200
300
ns
12-V GATE DRIVERS (PASS, BLK)
Output voltage
VVIN12 = VVOUT12 = 10 V
21.5
23
24.5
V
Sourcing current
VVIN12 = VVOUT12 = 10 V, VPASS= VBLK = 17 V
20
30
40
A
Fast turnoff, VPASS = VBLK = 14 V
0.5
1
A
Sinking current
4 V
≤ VPASS = VBLK ≤ 25 V
6
14
25
mA
Pulldown resistance
In OTSD ( at 150°C )
14
20
26
k
Fast turn-off duration
5
10
15
ms
Startup time
IN12 rising to PASS and BLK sourcing
0.25
ms
3.3-V SUMMING NODE
Summing threshold
655
675
695
mV
3.3-V CURRENT LIMIT
On-resistance
IOUT3 = 150 mA
290
500
m
Current limit
RSUM3 = 3.3 k , VVOUT3 = 0 V
170
195
225
mA
Fast trip threshold
240
300
400
Fast turn-off delay
IOUT3= 400 mA, tP50-50
750
1300
ns
Bleed-down resistance
VOUT3= 1.65 V
280
400
500
Bleed-down threshold
75
100
130
mV
3.3-V UVLO
UVLO rising
IN3 rising
2.65
2.75
2.85
V
UVLO hysteresis
IN3 falling
200
240
300
mV
3.3-V BLOCKING
Turn-on threshold
Measure VIN3 – VOUT3
5
10
15
mV
Turn-off threshold
Measure VIN3 – VOUT3
–5
–3
0
mV
VIN3 = 3.3 V, VOUT3 = 3.5 V, ROUT3 = 100 to GND,
ORing turn-on delay time
VORON = 1. Remove 3.5 V from OUT3. Measure time from
300
350
ms
VOUT3 decreasing thru 2.9 V to VOUT3 = 3.2 V
Fast turnoff delay time
20 mV overdrive, tP50-50
250
350
ns
Safety gate pulldown current (1)
Slew IN3x, Out3x, 5-V in 1 ms
15
mA
SUPPLY CURRENTS (IIN+ISENP+ISENM+ISET+IVDD)
Both channels enabled
IOUT3A = IOUT3B= 0
3.1
4
mA
Both channels disabled
2.0
2.8
THERMAL SHUTDOWN
Whole-chip shutdown
TJ rising, IOUT3A = IOUT3B= 0 A
140
150
temperature
3.3-V channel shutdown
°C
TJ rising, IOUT3A or IOUT3B in current limit
130
140
temperature
Hysteresis
Whole chip or 3.3-V channel
10
(1)
When setting an address bit to a logic 1 the pin should be connected to VINT.
4
Copyright 2009–2010, Texas Instruments Incorporated
Product Folder Link(s): TPS2459
相關PDF資料 |
PDF描述 |
|---|---|
| TPS24701DGK | POWER SUPPLY SUPPORT CKT, PDSO8 |
| TPS24710DGS | POWER SUPPLY SUPPORT CKT, PDSO10 |
| TPS24710 | POWER SUPPLY SUPPORT CKT, PDSO10 |
| TPS24711 | POWER SUPPLY SUPPORT CKT, PDSO10 |
| TPS24711DGSR | POWER SUPPLY SUPPORT CKT, PDSO10 |
相關代理商/技術參數 |
參數描述 |
|---|---|
| TPS2459RHBR | 功能描述:熱插拔功率分布 3V/12V Hot Swap & ORing Controller RoHS:否 制造商:Texas Instruments 產品:Controllers & Switches 電流限制: 電源電壓-最大:7 V 電源電壓-最小:- 0.3 V 工作溫度范圍: 功率耗散: 安裝風格:SMD/SMT 封裝 / 箱體:MSOP-8 封裝:Tube |
| TPS2459RHBT | 功能描述:熱插拔功率分布 3V/12V Hot Swap & ORing Controller RoHS:否 制造商:Texas Instruments 產品:Controllers & Switches 電流限制: 電源電壓-最大:7 V 電源電壓-最小:- 0.3 V 工作溫度范圍: 功率耗散: 安裝風格:SMD/SMT 封裝 / 箱體:MSOP-8 封裝:Tube |
| TPS2459RHBT | 制造商:Texas Instruments 功能描述:Hot Swap Controllers TI 制造商:Texas Instruments 功能描述:IC, HOT SWAP & O-RING CTRL, 23V, QFN-32 |
| TPS24700DGK | 功能描述:熱插拔功率分布 2.5-18V Hi Eff Hot- Swap Controller RoHS:否 制造商:Texas Instruments 產品:Controllers & Switches 電流限制: 電源電壓-最大:7 V 電源電壓-最小:- 0.3 V 工作溫度范圍: 功率耗散: 安裝風格:SMD/SMT 封裝 / 箱體:MSOP-8 封裝:Tube |
| TPS24700DGKR | 功能描述:熱插拔功率分布 2.5-18V Hi Eff Hot- Swap Controller RoHS:否 制造商:Texas Instruments 產品:Controllers & Switches 電流限制: 電源電壓-最大:7 V 電源電壓-最小:- 0.3 V 工作溫度范圍: 功率耗散: 安裝風格:SMD/SMT 封裝 / 箱體:MSOP-8 封裝:Tube |
發布緊急采購，3分鐘左右您將得到回復。