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参数资料
| 型号： | IRU1260CPTR |
| 厂商： | International Rectifier |
| 文件页数： | 2/12页 |
| 文件大小： | 0K |
| 描述： | IC CONV PENTIUM P55C 7-UTHINPAK |
| 标准包装： | 2,000 |
| 应用： | 转换器，Intel Pentium?，P55C |
| 输入电压： | 3 V ~ 7 V |
| 输出数： | 2 |
| 输出电压： | 1.2 V ~ 5.5 V |
| 工作温度： | 0°C ~ 150°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 7-超薄封装 |
| 供应商设备封装： | 7-Ultra Thin-Pak? |
| 包装： | 带卷 (TR) |
| 其它名称： | IRU1260-CPTR IRU1260-CPTR-ND |
IRU1260
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
7-PIN PLASTIC TO-263 (M)
7-PIN ULTRA THIN-PAK (P)
7
6
5
4
3
2
1
V OUT 1
V IN
V OUT 2
Gnd
V FB 2
V FB 1
V CTRL
7
6
5
4
3
2
1
V OUT 1
V IN
V OUT 2
Gnd
V FB 2
V FB 1
V CTRL
θ JA =30 8 C/W for 1"sq pad
θ JA =30 8 C/W for 1"sq 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°C. Typical values
refer to T J =25 ° C. I FL =6A for output #1 and I FL =1A for output #2. V FB =V OUT for both outputs. V CTRL =V IN =3.3V.
PARAMETER
SYM
TEST CONDITION
MIN
TYP
MAX
UNITS
V CTRL Input Voltage
3.0
V
Reference Voltage
V REF
Io=10mA, T J =25°C
1.188
1.200
1.212
V
Io=10mA
1.176
1.200
1.224
Line Regulation
Load Regulation (Note 1)
Dropout Voltage (Output #2)
(Note 2)
Io=10mA, V OUT +1.3V<V IN =V CTRL <7V
10mA<Io<I FL
Io=4A, V CTRL =4.75V, V IN =3.3V
Io=3A, V CTRL =4.75V, V IN =3.3V
Io=2A, V CTRL =4.75V, V IN =3.3V
0.2
0.4
0.35
1.0
0.7
0.5
%
%
V
Dropout Voltage (Output #1)
(Note 2)
Io=1A, V CTRL =4.75V, V IN =3.3V
Io=1A, V CTRL =V IN =4.75V
0.4
0.6
1.3
V
Current Limit (Output #2)
Current Limit (Output #1)
I CL2
I CL1
D Vo=100mV
D Vo=100mV
6.1
1.1
A
A
Thermal Regulation
30ms pulse, Io=I FL
0.01
0.02
%/W
Ripple Rejection
f=120Hz, Co=25 m F Tantalum,
Io=0.5 3 I FL
70
dB
Feedback Pin Input Current
Temperature Stability
I FB
Io=10mA
Io=10mA
0.02
0.5
m A
%
Long Term Stability
RMS Output Noise
Minimum Load Current (Note 3)
T A =125°C, 1000Hrs
T A =25°C, 10Hz<f<10KHz
0.3
0.003
5
1
%
%V O
mA
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
divider values are selected such that this current is au-
tomatically maintained.
2
www.irf.com
Rev. 2.1
09/19/02
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