參數(shù)資料
型號(hào)： US1175CS
廠商： Unisem Group
英文描述： 7.5A ULTRA LOW DROPOUT POSITIVE ADJUSTABLE REGULATOR
中文描述： 7.5A的超低壓差型正，可調(diào)式穩(wěn)壓器
文件頁數(shù)： 2/5頁
文件大?。?/td> 35K
代理商： US1175CS
US1175
2-2
Rev. 1.2
11/29/99
ABSOLUTE MAXIMUM RATINGS
Input Voltage (Vin) ........................................................... 6V
Control Input Voltage (Vctrl) .................................................. 14V
Power Dissipation............................................. Internally Limited
Storage Temperature Range ................................... -65
°
C TO 150
°
C
Operating Junction Temperature Range ..................... 0
°
C TO 150
°
C
PACKAGE INFORMATION
8 PIN PLASTIC SOIC ( S )
5 PIN PLASTIC TO263 ( M )
5 PIN PLASTIC POWER FLEX (P)
θ
JA
=55
°
C/W for 1" Sq pad area
θ
JA
=35
°
C/W for 0.5" square pad
θ
JA
=35
°
C/W for 0.5" square pad
ELECTRICAL SPECIFICATIONS
Unless otherwise specified ,these specifications apply over ,Cin=1uF,Cout=10uF, and Tj=0 to 125
°
C.Typical
values refer to Tj=25
°
C. Vout=Vsense.
PARAMETER
Reference Voltage
SYM
Vref
TEST CONDITION
Vctrl=2.75V,Vin=2V,Io=10mA
Tj=25,Vadj=0V
Vctrl=2.7to12V,Vin=2.05V to 5.5V, 1.237
Io=10mA to 7.5A,Vadj=0V
Vctrl=2.5Vto7V,Vin=1.75Vto5.5V
,Io=10mA ,Vadj=0V
Vctrl=2.75V,Vin=2.1V,Io=10mA
to 7.5A,Vadj=0V
Vadj=0V for all conditions below.
Vin=2.05V,Io=1.5A
Vin=2.05V,Io=3A
Vin=2.05V,Io=5A
Vin=2.05V,Io=7.5A
Vadj=0V for all conditions below.
Vctrl=2.75V,Io=1.5A
Vctrl=2.75V,Io=3A
Vctrl=2.75V,Io=5A
Vctrl=2.75V,Io=7.5A
Vctrl=2.75V,Vin=2.05V,
dVo=100mV Vadj=0V
Vctrl=5V,Vin=3.3V,Vadj=0V,
30 mS Pulse
Vctrl=5V,Vin=5V,Io=3A,Vadj=0V
Tj=25,Vripple=1Vpp at 120Hz
MIN
1.243
TYP
1.250
MAX
1.257
UNITS
V
1.250
1.263
Line Regulation
0.5
3
mV
Load Regulation (note 1)
2
6
mV
Dropout Voltage (note 2)
(Vctrl - Vout)
0.95
1.00
1.05
1.15
V
1.30
Dropout Voltage (note 2)
(Vin - Vout)
0.100
0.200
0.330
0.500
0.130 V
0.260
0.430
0.650
Current Limit
7.7
9
5
0.01
70
A
mA
%/W
dB
Minimum Load Current (note 3)
Thermal Regulation
Ripple Rejection
10
0.02
60
FRONT VIEW
1
2
3
4
5
Vsense
Adj
Vout
Vctrl
Vin
4
3
2
1
5
6
7
8
TOP VIEW
Vout
Vsense
Adj
Vin
Vctrl
Vout
Vout
Vout
FRONT VIEW
1
2
3
4
5
Vsense
Adj
Vout
Vctrl
Vin
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