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參數(shù)資料
| 型號(hào)： | UC3902DTRG4 |
| 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, SOIC-8 |
| 文件頁(yè)數(shù)： | 5/10頁(yè) |
| 文件大小： | 293K |
| 代理商： | UC3902DTRG4 |
UC2902
UC3902
SLUS232D DECEMBER 19, 2002 REVISED NOVEMBER 2008
4
www.ti.com
ELECTRICAL CHARACTERISTICS (continued)
TJ = –40°C to 105°C, (unless otherwise noted)
PARAMETER
UNIT
MAX
TYP
MIN
TEST CONDITIONS
SHARE SENSE AMPLIFIER
RIN
Input impedance
V(SHARE+) = 1 V, V(SHARE) = GND
V(SENSE) = 10 mV
8
15
k
RIN
Input impedance
R(SHARE+) = 200 (SHARE+ to GND)
V(SHARE) = 1 V, V(SENSE) = 10 mV
8
15
k
V(SHARE)
Threshold voltage
V(SENSE) = 0 V
41
70
100
mV
CMRR
Common mode rejection ratio
0 V
≤ V(SHARE) ≤ 1 V, V(SENSE) = 2.5 mV
50
60
AVOL
DESCRIPTION from SHARE+ to
V(SENSE) = 2.5 mV,
5 nF capacitor from COMP to GND,
1 k
resistor from ADJR to GND
50
68
dB
AVOL
DESCRIPTION from SHARE+ to
ADJR
V(SENSE) = 2.5 mV,
5 nF capacitor from COMP to GND,
150
resistor from ADJR to GND
50
66
dB
Slew rate
V(SHARE+) = 0 mV to 10 V step through a 200-
resistor, R(COMP) = 500 ,
V(SENSE) = 10 mV, VCC = 10 V
0.2
0.5
0.8
V/
s
ERROR AMPLIFIER
gM
Transconductance, SHARE+ to
COMP
200-
resistor SHARE+ to GND
3.0
4.5
6.0
mS
IOH
High-level output current
V(COMP) = 1.5 V, SHARE+ ≥ 300 mV
V(SENSE) = 10 mV
450
325
200
A
IOL
Low-level output current
200-
resistor SHARE+ to GND,
V(COMP) = 1.5 V, V(SENSE) = 10 mV
80
150
250
A
VIO
Input offset voltage
15
35
65
mV
VIO/
V(SENSE)
1-k
resistor ADJR to GND
2.5 mV
≤ V(SENSE) ≤ 25 mV
6
0
6
mV/V
ADJ AMPLIFIER
ADJR low voltage
200-
resistor SHARE+ to GND,
V(SENSE) = 10 mV
1
0
1
mV
ADJR high voltage
V(SENSE) = 10 mV,V(SHARE+) = 1 V
1.4
1.8
2.1
V
I(ADJR) = 0.5 mA, V(ADJ) = 2.5 V,
V(SENSE) = 10 mV,V(SHARE+) = 1 V
0.96
0.99
1.02
Current gain ADJR to ADJ
I(ADJR) = 0.5 mA, V(ADJ) = 20 V,
V(SENSE) = 10 mV,V(SHARE+) = 1 V
0.96
0.99
1.02
A/A
Current gain ADJR to ADJ
I(ADJR) = 10 mA, V(ADJ) = 2.5 V,
V(SENSE) = 10 mV,V(SHARE+) = 1 V
0.96
0.99
1.02
A/A
I(ADJR) = 10 mA, V(ADJ) = 20 V,
V(SENSE) = 10 mV,V(SHARE+) = 1 V
0.96
0.99
1.02
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| UC3902N | 功能描述:其他電源管理 LOAD SHARE CONTROLLER RoHS:否 制造商:Texas Instruments 輸出電壓范圍: 輸出電流:4 mA 輸入電壓范圍:3 V to 3.6 V 輸入電流: 功率耗散: 工作溫度范圍:- 40 C to + 110 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-48 封裝:Reel |
| UC3902N | 制造商:Texas Instruments 功能描述:LOAD SHARE CONTROLLER 3902 DIP8 |
| UC3902NG4 | 功能描述:其他電源管理 LOAD SHARE CONTROLLER RoHS:否 制造商:Texas Instruments 輸出電壓范圍: 輸出電流:4 mA 輸入電壓范圍:3 V to 3.6 V 輸入電流: 功率耗散: 工作溫度范圍:- 40 C to + 110 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-48 封裝:Reel |
| UC3903 | 制造商:TI 制造商全稱:Texas Instruments 功能描述:Quad Supply and Line Monitor |
| UC3903DW | 功能描述:監(jiān)控電路 Quad Supply and Line Monitor RoHS:否 制造商:STMicroelectronics 監(jiān)測(cè)電壓數(shù): 監(jiān)測(cè)電壓: 欠電壓閾值: 過電壓閾值: 輸出類型:Active Low, Open Drain 人工復(fù)位:Resettable 監(jiān)視器:No Watchdog 電池備用開關(guān):No Backup 上電復(fù)位延遲（典型值）:10 s 電源電壓-最大:5.5 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:UDFN-6 封裝:Reel |
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