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參數(shù)資料
| 型號： | US2075CT |
| 廠商： | Unisem Group |
| 元件分類： | 基準電壓源/電流源 |
| 英文描述： | Cap-Free, NMOS, 150mA Low Dropout Regulator with Reverse Current Protection |
| 中文描述： | 無電容，NMOS管，150mA的低壓差穩(wěn)壓器的反向電流保護 |
| 文件頁數(shù)： | 2/4頁 |
| 文件大?。?/td> | 42K |
| 代理商： | US2075CT |
US2075
4-2
Rev. 1.2
4/26/98
ABSOLUTE MAXIMUM RATINGS
12V Supply Voltage ............................................................. 14V
5V Supply Voltage .............................................................. 7V
LDO Power Dissipation .................................... Internally Limited
FB Pin Voltage........................................................ -0.3V to 5V
Storage Temperature Range ................................. -65 TO 150
°
C
Operating Junction Temperature ............................... O TO 150
°
C
PACKAGE INFORMATION
7 PIN PLASTIC TO220 (T)
7 PIN PLASTIC TO263 (M)
θ
JT
=2.7
°
C/W
θ
JA
=60
°
C/W
θ
JA
=35
°
C/W for 1" Square pad
LDO Section
PARAMETER
Output Voltage V
OUT
Line Regulation
Load Regulation (note 1)
Maximum Output Current I
MAX
Thermal Regulation
Ripple Rejection
SYM
TEST CONDITION
Io=0mA
Io=0mA, 4.75<V5<6V
0A<Io<7.5A
d
Vo
=0.995*V
OUT
30 mS Pulse,V5=5V
f=120HZ ,Co=25uF Tan 70 dB
Io=1A
MIN TYP MAX UNITS
3.400
V
%
%
A
%/W
0.2
0.5
7.5
0.01
0.02
Switching Controller Section
PARAMETER
F.B Voltage Initial Accuracy
F.B Voltage Total Variation
F.B Input Bias Current
Min On Time
SYM TEST CONDITION
Vfb
T
J
=25
°
C
Vfb
Includes Temp & line,4.75 to 5.25V
Ifb
Vfb=1.25V
Vfb is sq wave with 300 ns on
time and 2 uS off time
Vfb is sq wave with 300 ns off
time and 2 uS on time
Isource=500uA,Vfb=1.5V
Isink=500uA,Vfb=1V
Icc
Vfb=1V
Dmax
Vfb=1V
Dmin
Vfb=1.5V
Vgate
Load=IRL3303
MIN TYP MAX UNITS
1.237
1.250
1.225
1.250
-2
400
600
1.262
1.275
+2
800
V
V
uA
nS
Min Off Time
400
600
800
nS
Vhyst pin output-HI
Vhyst pin output-LO
Supply Current
Maximum Duty Cycle
Minimum Duty Cycle
Gate Drive Rise/Fall Time
11
V
V
mA
%
%
nS
1
10
100
0
70
FRONT VIEW
1
2
3
4
5
6
7
Drv
V12
Vfb
Gnd
Vhyst
Vout
V5
FRONT VIEW
1
2
3
4
5
6
7
Drv
V12
Vfb
Gnd
Vhyst
Vout
V5
ELECTRICAL SPECIFICATIONS
Unless otherwise specified the following specification applies over,V5=5V,V12=12V,and Tj=0 to 125
°
C.Low duty
cycle pulse testing are used which keeps junction and case temperatures equal to the ambient temperature.
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