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參數(shù)資料
| 型號： | IRU1075 |
| 廠商： | International Rectifier |
| 英文描述： | 7.5A LOW DROPOUT POSITIVE ADJUSTABLE REGULATOR |
| 中文描述： | 7.5A的低壓差型正，可調(diào)式穩(wěn)壓器 |
| 文件頁數(shù)： | 2/6頁 |
| 文件大小： | 94K |
| 代理商： | IRU1075 |
2
Rev. 1.1
06/29/01
IRU1075
ABSOLUTE MAXIMUM RATINGS
Input Voltage (Vin) .................................................... 7V
Power Dissipation ..................................................... Internally Limited
Storage Temperature Range ...................................... -65°C To 150°C
Operating Junction Temperature Range ..................... 0°C To 150°C
PACKAGE INFORMATION
3-PIN PLASTIC TO-220 (T) 3-PIN PLASTIC TO-263 (M) 3-PIN PLASTIC ULTRA THIN-PAK (P)
FRONT VIEW
θ
JT
=2.7
°
C/W
θ
JA
=60
°
C/W
θ
JA
=35
°
C/W for 1" Square pad
θ
JA
=35
°
C/W for 1" Square pad
PARAMETER
Reference Voltage Vref
SYM
TEST CONDITION
Io=10mA, Tj=25
!
C, (Vin-Vo)=1.5V 1.238 1.250 1.262 V
Io=10mA, (Vin-Vo)=1.5V 1.225 1.250 1.275
Io=10mA, 1.3V<(Vin-Vo)<7V
Vin=3.3V, Vadj=0, 10mA<Io<7.5A
Io=7.5A
Io=4A
Vin=3.3V, dVo=100mV
Vin=3.3V, Vadj=0V
MIN
TYP
MAX
UNITS
Line Regulation
Load Regulation (Note 1)
Dropout Voltage
(Note 2)
Current Limit
Minimum Load Current
(Note 3)
Thermal Regulation
Ripple Rejection
0.2
%
%
V
0.4
1.0
0.92
9
5
1.2
1.1
Vo
7.6
A
mA
10
30ms Pulse, Vin-Vo=3V, Io=7.5A
f=120Hz, Co=25
μ
F Tantalum,
Io=7.5A, Vin-Vo=3V
Iadj
Io=10mA, Vin-Vo=1.5V, Tj=25
!
C,
Io=10mA, Vin-Vo=1.5V
Io=10mA, Vin-Vo=1.5V, Tj=25
!
C
Vin=3.3V, Vadj=0V, Io=10mA
Tj=125
!
C, 1000Hrs
Tj=25
!
C, 10Hz<f<10KHz
0.02
%/W
60 70 dB
Adjust Pin Current
55
0.2
0.5
0.3
120
5
μ
A
μ
A
%
%
%V
Adjust Pin Current Change
Temperature Stability
Long Term Stability
RMS Output Noise
0.003
Adj
Tab is
Vout
Vin
Vout
1
2
3
FRONT VIEW
Adj
Vout
Vin
Tab is
Vout
1
2
3
Adj
Vout
Vin
Tab is
Vout
FRONT VIEW
1
3
2
ELECTRICAL SPECIFICATIONS
Unless otherwise specified, these specifications apply over Cin=1
μ
F, Cout=10
μ
F, and Tj=0 to 150
!
C.
Typical values refer to Tj=25
!
C.
Note 1:
Low duty cycle pulse testing with Kelvin con-
nections is required in order to maintain accurate data.
Note 2:
Dropout voltage is defined as the minimum dif-
ferential voltage between Vin and Vout required to main-
tain regulation at Vout. It is measured when the output
voltage drops 1% below its nominal value.
Note 3:
Minimum load current is defined as the mini-
mum current required at the output in order for the out-
put voltage to maintain regulation. Typically the resistor
dividers are selected such that it automatically main-
tains this current.
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