US2075CM 查看數據表（PDF） - Unisem
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US2075CM Datasheet PDF : 4 Pages
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US2075
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)
FRONT VIEW
7
6
5
4
3
2
1
V5
Vout
Vhyst
Gnd
Vfb
V12
Drv
7 PIN PLASTIC TO263 (M)
FRONT VIEW
7
6
5
4
3
2
1
V5
Vout
Vhyst
Gnd
Vfb
V12
Drv
θJT=2.7°C/W θJA=60°C/W
θJA=35°C/W for 1" Square pad
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.
LDO Section
PARAMETER
Output Voltage
Line Regulation
Load Regulation (note 1)
Maximum Output Current
Thermal Regulation
Ripple Rejection
SYM
VOUT
IMAX
TEST CONDITION
Io=0mA
Io=0mA, 4.75<V5<6V
0A<Io<7.5A
dVo=0.995*VOUT
30 mS Pulse,V5=5V
f=120HZ ,Co=25uF Tan
Io=1A
MIN TYP MAX UNITS
3.400
V
0.2
%
0.5
%
7.5
A
0.01 0.02 %/W
70
dB
Switching Controller Section
PARAMETER
SYM TEST CONDITION
F.B Voltage Initial Accuracy
Vfb TJ=25°C
F.B Voltage Total Variation
Vfb Includes Temp & line,4.75 to 5.25V
F.B Input Bias Current
Ifb Vfb=1.25V
Min On Time
Vfb is sq wave with 300 ns on
time and 2 uS off time
Min Off Time
Vfb is sq wave with 300 ns off
time and 2 uS on time
Vhyst pin output-HI
Isource=500uA,Vfb=1.5V
Vhyst pin output-LO
Isink=500uA,Vfb=1V
Supply Current
Icc Vfb=1V
Maximum Duty Cycle
Dmax Vfb=1V
Minimum Duty Cycle
Dmin Vfb=1.5V
Gate Drive Rise/Fall Time
Vgate Load=IRL3303
MIN
1.237
1.225
-2
400
400
11
0
TYP
1.250
1.250
600
600
10
70
MAX
1.262
1.275
+2
800
800
1
100
UNITS
V
V
uA
nS
nS
V
V
mA
%
%
nS
4-2
Rev. 1.2
4/26/98
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