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)： 4/10頁(yè)
文件大?。?/td> 293K
代理商： UC3902DTRG4
UC2902
UC3902
SLUS232D DECEMBER 19, 2002 REVISED NOVEMBER 2008
3
www.ti.com
ELECTRICAL CHARACTERISTICS
TJ = –40°C to 105°C, (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
Power SUPPLY SUPPLY CURRENT
ICC
Supply current
SHARE+ = 1 V,
SENSE = 0 V
4
6
mA
ICC
Supply current
VCC = 20 V
6
10
mA
UNDERVOLTAGE LOCKOUT
VCC
Startup voltage
SHARE+ = 0.2 V, SENSE = 0 V, COMP = 1 V
2.3
2.5
2.7
V
Hysteresis
SHARE+ = 0.2 V, SENSE = 0 V, COMP = 1 V
60
100
140
V
CURRENT SENSE AMPLIFIER
VIO
Input offset voltage
0.1 V
≤ V(SHARE+) ≤ 1.1 V
2.5
0.5
1.5
mV
SENSE to SHARE gain
0.1 V
≤ V(SHARE+) ≤ 1.1 V
41
40
39
V
RIN
Input resistance
0.6
1
1.5
V
SHARE DRIVE AMPLIFIER
VCC = 2.5 V
V(SENSE) = 50 mV
I(SHARE+) = 1 mA
1.2
1.4
VOH
High-level output voltage,
SHARE+
VCC = 12 V
V(SENSE) = 250 mV
I(SHARE+) = 1 mA
9.6
10.0
10.4
V
SHARE+
VCC = 20 V
V(SENSE) = 250 mV
I(SHARE+) = 1 mA
9.6
10.0
10.4
VCC = 2.5 V
V(SENSE) = 10 mV
I(SHARE+) = 1 mA
20
50
VOL
Low-level output voltage, SHARE+
VCC = 12 V
V(SENSE) = 10 mV
I(SHARE+) = 1 mA
20
50
mV
VCC = 20 V
V(SENSE) = 10 mV
I(SHARE+) = 1 mA
20
50
mV
VO
Output voltage, SHARE+
V(SENSE) = 0 mV, R(SHARE+) = 200
(SHARE+ to GND)
20
40
CMRR
Common mode rejection ratio
0 V
≤ V(SHARE) ≤ 1 V,
SENSE used as input to amplifier
50
90
dB
Load regulation
Load on SHARE+, 1 mA
≤ ILOAD ≤ 20 mA
V(SENSE) = 25 mV
0
20
mV
ISC
Short circuit current
V(SHARE+) = 0 V, V(SENSE) = 25 mV
85
50
20
mA
Slew rate
V(SENSE) = 10 mV to 90 mV step
R(SHARE+) = 200 (SHARE+ to GND)
0.12
0.26
0.38
V/ s
Slew rate
V(SENSE) = 90 mV to 10 mV step
R(SHARE+) = 200 (SHARE+ to GND)
0.12
0.26
0.38
V/
s
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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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