參數(shù)資料
型號(hào)： UC2855BDWTR
英文描述： OMNIFET II: FULLY AUTOPROTECTED POWER MOSFET
中文描述： 功率因數(shù)控制器
文件頁數(shù)： 3/13頁
文件大小： 265K
代理商： UC2855BDWTR
SLUS212E NOVEMBER 1999 REVISED FEBRUARY 2004
3
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
electrical characteristics unless otherwise stated, these parameters apply for T
A
= 40
°
C to 100
°
C
for the UC285-x series and 0
°
C to 100
°
C for the UC385-x, VB = 5 V; VIN = 3.3 V, VOUT = 2.5 V, T
A
= T
J
.
PARAMETER
TEST CONDITION
MIN
TYP
MAX
UNIT
UC3852 Fixed 2.1 V, 5-A Family (continued)
VIN dropout voltage (VIN - VOUT)
IVOUT = 5 A,
IVOUT = 5 A
IVOUT = 5 A
IVOUT = 5 A
IVOUT = 5 A
TJ = 25
°
C
350
425
mV
UC385-2
350
490
mV
UC285-2
350
500
mV
VB dropout (VB - VOUT)
UC385-2
1.8
2.1
V
UC285-2
1.8
2.2
V
Short circuit current limit
5.1
7.5
A
VB current
IVOUT = 10 mA
IVOUT = 5 A
IVOUT = 5 A
8
15
mA
40
100
mA
VIN current
4.9
4.96
A
UC3851 Fixed 1.5 V, 5-A Family
Output voltage
UC385-1
IVOUT = 100 mA
IVOUT = 100 mA
IVOUT = 10 mA to 5 A
1.485
1.5
1.515
V
UC285-1
1.470
1.5
1.515
V
Load regulation
0.5
4
mV
VIN PSRR
80
110
dB
VB PSRR
VIN dropout voltage (VIN - VOUT)
50
65
dB
IVOUT = 5 A,
IVOUT 5 A
IVOUT = 5 A
IVOUT = 5 A
IVOUT = 5 A
TJ = 25
°
C
350
425
mV
UC285-1
350
490
mV
UC285-2
350
500
mV
VB dropout (VB - VOUT)
UC385-1
1.8
2.1
V
UC285-1
1.8
2.2
V
Short circuit current limit
VB current
5.1
7.5
A
IVOUT = 10 mA
IVOUT = 5 A
IVOUT = 5 A
8
15
mA
40
100
mA
VIN = current
4.9
4.96
A
UC385-ADJ Adjustable, 5-A Family
ADJ voltage
UC385-ADJ
IVOUT - 100 mA
IVOUT - 100 mA
IVOUT = 10 mA to 5 A
VOUT programmed for 2.5 V
1.188
1.2
1.212
V
UC285-ADJ
1.176
1.2
1.212
V
Load regulation
0.5
4
mV
VIN PSRR
80
110
dB
VB PSRR VOUT
Programmed for 2.5 V
50
65
dB
VIN dropout voltage (VIN - VOUT)
IVOUT = 5 A,
IVOUT = 5 A
IVOUT = 5 A
IVOUT = 5 A
IVOUT = 5 A
TJ = 25
°
C
350
425
mV
UC385-ADJ
350
490
mV
UC285-ADJ
350
500
mV
VB dropout (VB - VOUT)
UC385-ADJ
1.8
2.1
V
UC285-ADJ
1.8
2.2
V
Short circuit current limit
VB current
5.1
7.5
A
IVOUT = 10 mA
IVOUT = 5 A
IVOUT = 5 A
8
15
mA
40
100
mA
VIN current
4.9
4.96
A
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
UC2855BDWTR/81363 制造商:Texas Instruments 功能描述:
UC2855BDWTRG4 功能描述:功率因數(shù)校正 IC High Performance Preregulator RoHS:否 制造商:Fairchild Semiconductor 開關(guān)頻率:300 KHz 最大功率耗散: 最大工作溫度:+ 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-8 封裝:Reel
UC2855BN 功能描述:功率因數(shù)校正 IC High Performance Preregulator RoHS:否 制造商:Fairchild Semiconductor 開關(guān)頻率:300 KHz 最大功率耗散: 最大工作溫度:+ 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-8 封裝:Reel
UC2855BNG4 功能描述:功率因數(shù)校正 IC High Performance Preregulator RoHS:否 制造商:Fairchild Semiconductor 開關(guān)頻率:300 KHz 最大功率耗散: 最大工作溫度:+ 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-8 封裝:Reel
UC2856DW 功能描述:電流型 PWM 控制器 Current Mode RoHS:否 制造商:Texas Instruments 開關(guān)頻率:27 KHz 上升時(shí)間: 下降時(shí)間: 工作電源電壓:6 V to 15 V 工作電源電流:1.5 mA 輸出端數(shù)量:1 最大工作溫度:+ 105 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:TSSOP-14
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