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参数资料
| 型号： | IRU1260CPTR |
| 厂商： | International Rectifier |
| 文件页数： | 3/12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
PIN DESCRIPTIONS
PIN #
1
2
3
4
5
6
7
PIN SYMBOL
V CTRL
V FB 1
V FB 2
Gnd
V OUT 2
V IN
V OUT 1
PIN DESCRIPTION
The control input pin of the regulator. This pin via a 10 V resistor is connected to the 5V
supply to provide the base current for the pass transistor of both regulators. This allows
the regulator to have very low dropout voltage which allows one to generate a well regu-
lated 2.5V supply from the 3.3V input. A high frequency, 1 m F capacitor is connected
between this pin and V IN pin to insure stability.
A resistor divider from this pin to V OUT 1 pin and ground sets the output voltage. See
application circuit for the divider setting for 2.5V output.
A resistor divider from this pin to the V OUT 2 pin and ground sets the output voltage. See
application circuit for the divider setting for 1.5V output.
This pin is connected to ground. It is also the tab of the package.
The output #2 (high current) of the regulator. A minimum of 100 m F capacitor must be
connected from this pin to ground to insure stability.
The power input pin of the regulator. Typically a large storage capacitor is connected from
this pin to ground to insure that the input voltage does not sag below the minimum dropout
voltage during the load transient response. This pin must always be higher than both V OUT
pins by the amount of the dropout voltage in order for the device to regulate properly.(See
data sheet)
The output #1 (low current) of the regulator. A minimum of 100 m F capacitor must be
connected from this pin to ground to insure stability.
BLOCK DIAGRAM
V IN 6
7 V OUT 1
V CTRL
1
2 V FB 1
THERMAL
SHUTDOWN
1.20V
+
4 Gnd
3 V FB 2
5 V OUT 2
Figure 2 - Simplified block diagram of the IRU1260.
Rev. 2.1
09/19/02
www.irf.com
3
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| IRU1260CT | 制造商:IRF 制造商全称:International Rectifier 功能描述:DUAL 6A AND 1A LOW DROPOUT POSITIVE ADJUSTABLE REGULATOR |
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| IRU1261CMTR | 功能描述:IC CONV PENTIUM II TO-263-5 RoHS:否 类别:集成电路 (IC) >> PMIC - 稳压器 - 专用型 系列:- 产品培训模块:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 标准包装:2,000 系列:- 应用:电源，ICERA E400，E450 输入电压:4.1 V ~ 5.5 V 输出数:10 输出电压:可编程 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:42-WFBGA，WLCSP 供应商设备封装:42-WLP 包装:带卷 (TR) |
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