參數(shù)資料
型號(hào): IRU1175CP
廠商: International Rectifier
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(yè)數(shù): 2/6頁(yè)
文件大?。?/td> 50K
代理商: IRU1175CP
2-80
Rev. 1.2
11/29/99
IRU1175
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 TO-263 ( M ) 5-PIN PLASTIC ULTRA THIN-PAK (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=1
μ
F, Cout=10
μ
F, and Tj=0 to 125°C. Typical
values refer to Tj=25°C. Vout=Vsense.
PARAMETER
SYM
TEST CONDITION
Reference Voltage
Vref
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
Line Regulation
Vctrl=2.5Vto7V, Vin=1.75Vto5.5V
Io=10mA , Vadj=0V
Load Regulation (note 1)
Vctrl=2.75V, Vin=2.1V, Io=10mA
to 7.5A, Vadj=0V
Dropout Voltage (note 2)
Vadj=0V for all conditions below.
(Vctrl - Vout)
Vin=2.05V, Io=1.5A
Vin=2.05V, Io=3A
Vin=2.05V, Io=5A
Vin=2.05V, Io=7.5A
Dropout Voltage (note 2)
Vadj=0V for all conditions below.
(Vin - Vout)
Vctrl=2.75V, Io=1.5A
Vctrl=2.75V, Io=3A
Vctrl=2.75V, Io=5A
Vctrl=2.75V, Io=7.5A
Current Limit
Vctrl=2.75V, Vin=2.05V,
dVo=100mV Vadj=0V
Minimum Load Current (note 3)
Vctrl=5V, Vin=3.3V, Vadj=0V
Thermal Regulation
30mS Pulse
Ripple Rejection
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
0.5
3
mV
2
6
mV
0.95
1.00
1.05
1.15
V
1.30
0.100
0.200
0.330
0.500
0.130 V
0.260
0.430
0.650
7.7
9
5
0.01
70
A
mA
%/W
dB
10
0.02
60
Vout
Vsense
Adj
Vin
Vctrl
Vout
Vout
Vout
4
3
2
1
5
6
7
8
TOP VIEW
Vsense
Adj
Vout
Vctrl
Vin
FRONT VIEW
1
2
3
4
5
Vsense
Adj
Vout
Vctrl
Vin
FRONT VIEW
1
2
3
4
5
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