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| 型号： | IRU1117CPTR |
| 厂商： | International Rectifier |
| 文件页数： | 2/10页 |
| 文件大小： | 0K |
| 描述： | IC REG LDO ADJ .8A 2-UTHINPK |
| 标准包装： | 2,500 |
| 稳压器拓扑结构： | 正，可调式 |
| 输出电压： | 2.5 V ~ 3.6 V |
| 输入电压： | 最高 7V |
| 电压 - 压降（标准）： | 1.2V @ 1A |
| 稳压器数量： | 1 |
| 电流 - 输出： | 800mA |
| 电流 - 限制（最小）： | 1.1A |
| 工作温度： | 0°C ~ 150°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 2-超薄封装 |
| 供应商设备封装： | 2-Ultra Thin-Pak |
| 包装： | 带卷 (TR) |
IRU1117(PbF)
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
2-PIN PLASTIC TO-252 (D-Pak)
2-PIN ULTRA THIN-PAK TM (P)
8-PIN PLASTIC SOIC (S)
3-PIN PLASTIC SOT-223 (Y)
Tab is
V OUT
FRONT VIEW
3
1
V IN
Adj
Tab is
V OUT
FRONT VIEW
3
1
V IN
Adj
V IN
NC
NC
Adj
1
2
3
4
TOP VIEW
8
7
6
5
V OUT
V OUT
V OUT
V OUT
Tab is
V OUT
TOP VIEW
3
2
1
V IN
V OUT
Adj
θ JA =70 ° C/W for 0.5" Sq pad
θ JA =70 ° C/W for 0.5" Sq pad
θ JA =55 ° C/W for 1" Sq pad
θ JA =90 ° C/W for 0.4" Sq pad
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 C.
Typical values refer to T J =25 C.
PARAMETER
SYM
TEST CONDITION
MIN
TYP
MAX UNITS
Reference Voltage
V REF
Io=10mA, T J =25 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<800mA
0.2
0.4
%
%
Dropout Voltage (Note 2)
? V O
Io=1A
1.2
1.3
V
Io=800mA, Note 2
1.1
1.2
Current Limit
V IN =3.3V, ? Vo=100mV
1.1
A
Minimum Load Current (Note 3)
Thermal Regulation
V IN =3.3V, V ADJ =0V
30ms Pulse, V IN -Vo=3V, Io=800mA
5
0.01
10
0.02
mA
%/W
Ripple Rejection
f=120Hz, Co=25 μ F Tantalum,
Adjust Pin Current
I ADJ
Io=0.5A, V IN -Vo=3V
Io=10mA, V IN -Vo=1.5V, T J =25 C,
60
70
dB
Io=10mA, V IN -Vo=1.5V
55
120
μ A
Adjust Pin Current Change
Temperature Stability
Long Term Stability
RMS Output Noise
Io=10mA, V IN -Vo=1.5V, T J =25 C
V IN =3.3V, V ADJ =0V, Io=10mA
T J =125 C, 1000Hrs
T J =25 ° C, 10Hz<f<10KHz
0.2
0.5
0.3
0.003
5
1
μ 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. Typically, the values of the resistors
used to build the voltage divider are selected to ensure
that minimum load current is maintained.
2
www.irf.com
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