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參數(shù)資料
| 型號： | TPS2370DRG4 |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 電源管理 |
| 英文描述： | 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO8 |
| 封裝： | GREEN, PLASTIC, MS-012AA, SOIC-8 |
| 文件頁數(shù)： | 11/17頁 |
| 文件大小： | 426K |
| 代理商： | TPS2370DRG4 |
TPS2370
SLUS537C AUGUST 2002 REVISED MARCH 2004
www.ti.com
3
ELECTRICAL CHARACTERISTICS
VDD = 48 V; TA = 0°C to 70°C; all voltages and currents are with respect to VEE; (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
SUPPLY
Offset current
VDD = 1.8 V, DET = OPEN
3
IDD
Sleep current
1.8 V
≤ VDD < 10 V, DET = OPEN
5
12
A
IDET
Detection load current
RDET = 24.9 k, VDD = 1.8 V
70
73
76
A
IDET
Detection load current
RDET = 24.9 k, VDD = 9.5 V
380
390
400
Classification current threshold
Turn on
10.0
12.5
14.0
V
Classification current threshold
Turn off
21.5
22.5
23.5
V
VDD current class 0
0.44 W
≤ PPoE ≤ 12.95 W,
15 V
≤ VDD ≤ 20 V, RCLASS = 4.42 k
2.2
2.5
2.8
VDD current class 1
0.44 W
≤ PPoE ≤ 3.84 W,
15 V
≤ VDD ≤ 20 V, RCLASS = 953
10.4
10.8
11.5
VDD current class 2
3.84 W
≤ PPoE ≤ 6.49 W,
15 V
≤ VDD ≤ 20 V, RCLASS = 549
18.1
18.6
19.5
mA
VDD current class 3
6.49 W
≤ PPoE ≤ 12.95 W,
15 V
≤ VDD ≤ 20 V, RCLASS = 357
27.7
28.4
29.9
VDD current class 4
Reserved for future use,
15 V
≤ VDD ≤ 20 V, RCLASS = 255
38.5
39.6
42.0
VDD quiescent current
30 V
≤ VDD ≤ 57 V, RCLASS = 255
500
800
A
Input UVLO threshold
Turn on
38.6
40.2
41.8
Input UVLO threshold
Turn off
30.2
31.4
32.6
V
UVLO hysteresis
7.8
8.8
9.8
V
EN_DC sink current
40
80
200
A
RTN threshold for EN_DC
1.2
1.5
1.8
V
DMOS RDS(on)
IRTN = 200 mA
0.15
0.30
0.60
Full load current limit
VRTN < 1.5 V
405
455
505
mA
ILIM current limit programming
RLIM = 125 k, VRTN > 1.5 V during startup
180
250
300
mA
Thermal shutdown temperature
144
°C
Thermal shutdown hysteresis
20
°C
1
2
3
4
8
7
6
5
ILIM
CLASS
DET
VEE
VDD
NC
EN_DC
RTN
D OR PW PACKAGE
(TOP VIEW)
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| TPS2370EVM | 制造商:Texas Instruments 功能描述:TPS2370EVM - Bulk |
| TPS2370PW | 功能描述:熱插拔功率分布 IEEE 802.3af Pwr Ifc Switch For PoE PD’s RoHS:否 制造商:Texas Instruments 產(chǎn)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(fēng)格:SMD/SMT 封裝 / 箱體:MSOP-8 封裝:Tube |
| TPS2370PWG4 | 功能描述:熱插拔功率分布 IEEE 802.3af Pwr Ifc Switch For PoE PD’s RoHS:否 制造商:Texas Instruments 產(chǎn)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(fēng)格:SMD/SMT 封裝 / 箱體:MSOP-8 封裝:Tube |
| TPS2370PWR | 功能描述:熱插拔功率分布 IEEE 802.3af Pwr Ifc Switch For PoE PD’s RoHS:否 制造商:Texas Instruments 產(chǎn)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(fēng)格:SMD/SMT 封裝 / 箱體:MSOP-8 封裝:Tube |
| TPS2370PWRG4 | 功能描述:熱插拔功率分布 IEEE 802.3af Pwr Ifc Switch For PoE PD’s RoHS:否 制造商:Texas Instruments 產(chǎn)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(fēng)格:SMD/SMT 封裝 / 箱體:MSOP-8 封裝:Tube |
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