參數(shù)資料
型號： IRU1050CT
廠商： International Rectifier
英文描述： 5A LOW DROPOUT POSITIVE ADJUSTABLE REGULATOR
中文描述： 第5A低壓差型正，可調(diào)式穩(wěn)壓器
文件頁數(shù)： 2/12頁
文件大?。?/td> 75K
代理商： IRU1050CT
2
Rev. 1.8
08/20/02
IRU1050
www.irf.com
ABSOLUTE MAXIMUM RATINGS
Input Voltage (V
IN
) .................................................... 7V
Power Dissipation ..................................................... Internally Limited
Storage Temperature Range ...................................... -65°C To 150°C
Operating Junction Temperature Range ..................... 0°C To 150°C
PACKAGE INFORMATION
2-Pin Plastic TO-252 (D-Pak) 3-Pin Plastic TO-263 (M) 2-Pin Plastic ULTRA THIN-PAK
TM
(P) 3-Pin Plastic TO-220 (T)
ELECTRICAL SPECIFICATIONS
Unless otherwise specified, these specifications apply over C
IN
=1
μ
F, C
OUT
=10
μ
F, and T
J
=0 to 150
8
C.
Typical values refer to T
J
=25
8
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 V
IN
and V
OUT
required to main-
tain regulation at V
OUT
. 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.
Adj
Tab is
V
OUT
V
IN
V
OUT
1
2
3
FRONT VIEW
Adj
V
OUT
V
IN
1
2
3
FRONT VIEW
Tab is
V
OUT
Adj
V
IN
FRONT VIEW
1
3
Tab is
V
OUT
Adj
V
IN
1
3
FRONT VIEW
Tab is
V
OUT
θ
JA
=70
°
C/W for 0.5" Sq pad
θ
JA
=35
°
C/W for 1" Square pad
θ
JA
=70
°
C/W for 1" Square pad
θ
JT
=2.7
°
C/W
θ
JA
=60
°
C/W
PARAMETER
Reference Voltage
SYM TEST CONDITION
V
REF
Io=10mA, T
J
=25
8
C, V
IN
-Vo=1.5V
Io=10mA, V
IN
-Vo=1.5
Io=10mA, 1.3V<(V
IN
-Vo)<7V
V
IN
=3.3V, V
ADJ
=0V, 10mA<Io<5A
Note 2, Io=4A
Io=5A
V
IN
=3.3V,
Vo=100mV
V
IN
=3.3V, V
ADJ
=0V
30ms Pulse, V
IN
-Vo=3V, Io=5A
f=120Hz, Co=25
μ
F Tantalum,
Io=2.5A, V
IN
-Vo=3V
Io=10mA, V
IN
-Vo=1.5V, T
J
=25
8
C,
Io=10mA, V
IN
-Vo=1.5V
Io=10mA, V
IN
-Vo=1.5V, T
J
=25
8
C
V
IN
=3.3V, V
ADJ
=0V, Io=10mA
T
J
=125
8
C, 1000Hrs
T
J
=25
8
C, 10Hz<f<10KHz
MIN TYP MAX UNITS
1.238
1.225
1.25
Vo
I
ADJ
Line Regulation
Load Regulation (Note 1)
Dropout Voltage (Note 2)
Current Limit
Minimum Load Current (Note 3)
Thermal Regulation
Ripple Rejection
Adjust Pin Current
Adjust Pin Current Change
Temperature Stability
Long Term Stability
RMS Output Noise
5.1
60
1.25
1.1
5
0.01
70
55
0.2
0.5
0.3
0.003
1.262
1.275
0.2
0.4
1.2
1.3
10
0.02
120
5
1
V
%
%
V
A
mA
%/W
dB
μ
A
μ
A
%
%
%Vo
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