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| 型号： | IRU1075CMTR |
| 厂商： | International Rectifier |
| 文件页数： | 2/9页 |
| 文件大小： | 0K |
| 描述： | IC CONV PENTIUM P55C TO263-3 |
| 标准包装： | 750 |
| 应用： | 转换器，Intel Pentium?，P55C |
| 输入电压： | 2.55 V ~ 7 V |
| 输出数： | 1 |
| 输出电压： | 1.25 V ~ 5.5 V |
| 工作温度： | 0°C ~ 150°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | TO-263-4，D²Pak（3 引线+接片），TO-263AA |
| 供应商设备封装： | TO-263 |
| 包装： | 带卷 (TR) |
IRU1075
ABSOLUTE MAXIMUM RATINGS
Input Voltage (V IN ) ....................................................
Power Dissipation .....................................................
Storage Temperature Range ......................................
Operating Junction Temperature Range .....................
PACKAGE INFORMATION
7V
Internally Limited
-65°C To 150°C
0°C To 150°C
3-PIN PLASTIC TO-220 (T)
FRONT VIEW
3-PIN PLASTIC TO-263 (M)
FRONT VIEW
3-PIN PLASTIC ULTRA THIN-PAK TM (P)
FRONT VIEW
Tab is
3
V IN
3
V IN
3
V IN
V OUT
2
1
V OUT
Adj
Tab is
V OUT
2
1
V OUT
Adj
Tab is
V OUT
2
1
V OUT
Adj
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
ELECTRICAL SPECIFICATIONS
Unless otherwise specified, these specifications apply over C IN =1 m F, C OUT =10 m F, and T J =0 to 150 8 C.
Typical values refer to T J =25 8 C.
PARAMETER
SYM
TEST CONDITION
MIN
TYP
MAX UNITS
Reference Voltage
V REF
Io=10mA, T J =25 8 C, (V IN -Vo)=1.5V
1.238
1.250
1.262
V
Io=10mA, (V IN -Vo)=1.5V
1.225
1.250
1.275
Line Regulation
Load Regulation (Note 1)
Io=10mA, 1.3V<(V IN -Vo)<7V
V IN =3.3V, V ADJ =0, 10mA<Io<7.5A
0.4
0.2
%
%
Dropout Voltage (Note 2)
D V O
Io=7.5A
1.0
1.2
V
Io=4A
0.92
1.1
Current Limit
V IN =3.3V, D Vo=100mV
7.6
9
A
Minimum Load Current (Note 3)
Thermal Regulation
V IN =3.3V, V ADJ =0V
30ms Pulse, V IN -Vo=3V, Io=7.5A
5
0.02
10
mA
%/W
Ripple Rejection
f=120Hz, Co=25 m F Tantalum,
Adjust Pin Current
I ADJ
Io=7.5A, V IN -Vo=3V
Io=10mA, V IN -Vo=1.5V, T J =25 8 C,
60
70
dB
Io=10mA, V IN -Vo=1.5V
55
120
m A
Adjust Pin Current Change
Temperature Stability
Long Term Stability
RMS Output Noise
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
0.2
0.5
0.3
0.003
5
m A
%
%
%V O
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.
2
www.irf.com
Rev. 1.2
08/01/02
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