欢迎访问ic37.com |
会员登录 免费注册
发布采购

US1176CP 参数 Datasheet PDF下载

US1176CP图片预览
型号: US1176CP
PDF下载: 下载PDF文件 查看货源
内容描述: 7.5A超低压差正,可调式稳压器,具有关断输入 [7.5A ULTRA LOW DROPOUT POSITIVE ADJUSTABLE REGULATOR WITH SHUTDOWN INPUT]
分类和应用: 稳压器输入元件
文件页数/大小: 5 页 / 39 K
品牌: UNISEM [ UNISEM ]
 浏览型号US1176CP的Datasheet PDF文件第1页浏览型号US1176CP的Datasheet PDF文件第2页浏览型号US1176CP的Datasheet PDF文件第4页浏览型号US1176CP的Datasheet PDF文件第5页  
US1176  
ELECTRICAL SPECIFICATIONS  
PARAMETER  
Control Pin Current  
SYM TEST CONDITION  
MIN TYP MAX UNITS  
Vadj=0V for all below conditions.  
Vctrl=2.75V,Vin=2.05V,Io=1.5A  
Vctrl=2.75V,Vin=2.05V,Io=3A  
Vctrl=2.75V,Vin=2.05V,Io=4A  
Vctrl=2.75V,Vin=2.05V,Io=7.5A  
Vctrl=2.75V,Vin=2.05V,Vadj=0V,  
mA  
Adjust Pin Current  
Iadj  
50  
120  
uA  
Note 1 : Low duty cycle pulse testing with Kelvin con-  
nections are required in order to maintain accurate data.  
Note 2 : Drop-out voltage is defined as the minimum  
differential between Vin and Vout required to maintain  
regulation at Vout. It is measured when the output volt-  
age 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.  
PIN DESCRIPTIONS  
PIN DESCRIPTION  
PIN # PIN SYMBOL  
This pin is the positive side of the reference which allows remote load sensing  
to achieve excellent load regulation.  
1
Vsense  
When this pin is pulled lower than 1.4V with respect to the Vctrl pin the device is shutdown.  
To enable the operation leave this pin open. Internal to device, there is a pull up resistor.  
A resistor divider from this pin to the Vout pin and ground sets the output voltage.  
The output of the regulator. A minimum of 10uF capacitor must be connected from this  
pin to ground to insure stability.  
2
S.D  
3
4
Adj  
Vout  
This pin is the supply pin for the internal control circuitry as well as the base drive for  
the pass transistor.This pin must always be higher than the Vout pin in order for  
the device to regulate.(see specifications)  
The 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 drop  
out voltage during the load transient response. This pin must always be higher than  
Vout in order for the device to regulate.(see specifications)  
5
Vctrl  
Vin  
6,7  
Rev. 1.1  
9/24/99  
2-3