参数资料
型号: IRU1207-33CSTR
厂商: International Rectifier
文件页数: 1/12页
文件大小: 0K
描述: IC REG LDO 3.3V 1A 8-SOIC
标准包装: 2,500
稳压器拓扑结构: 正,固定式
输出电压: 3.3V
输入电压: 最高 12V
电压 - 压降(标准): 0.5V @ 1A
稳压器数量: 1
电流 - 输出: 1A
电流 - 限制(最小): 1.1A
工作温度: 0°C ~ 125°C
安装类型: 表面贴装
封装/外壳: 8-SOIC(0.154",3.90mm 宽)
供应商设备封装: 8-SOIC
包装: 带卷 (TR)
其它名称: IRU120733CS
Data Sheet No. PD94134 rev B
IRU1206/IRU1207/IRU1208/IRU1209(PbF)
1A VERY LOW DROPOUT POSITIVE
FIXED AND ADJUSTABLE REGULATORS
FEATURES
Low Dropout Voltage (500mV at 1A)
1% Voltage Reference Accuracy
Low Ground Current
1 μ A Maximum Quiescent Current in Shutdown
(IRU1207, IRU1208)
Fast Transient Response
Current Limit and Thermal Shutdown
Error Flag Signal for Output out of Regulation
(IRU1207, IRU1208)
APPLICATIONS
2.5V Supply from 3.3V Input for the new
generation of Logic ICs
Computer Mother Board, Add-On Cards
High Efficiency Post Regulator in Switch Mode
Power Supply (SMPS)
TYPICAL
DESCRIPTION
The IRU1206 family of devices are ultra low dropout 1A
regulators using PNP transistor as the pass element.
These products are ideal when a single input supply is
only available and the dropout voltage is less than 1V,
exceeding the minimum dropout characteristics of NPN/
PNP hybrid regulators. One common application of these
regulators is where input is 3.3V and a 2.5V output is
needed.
Besides the low dropout of less than 0.5V, other features
of the family of the parts are: micro-power shutdown
capability and output UVLO detection where Flag pin is
switched low when output is below 5% of its nominal
point.
APPLICATION
V OUT
3
V OUT
IRU1206-
XX Gnd 2
C2
V IN
1
V IN
C1
Figure 1 - Typical application of the 1206-XX in a 3-Pin SOT-223 package.
Basic Part (Non Lead-Free)
Lead-Free
T J ( ° C)
2-Pin TO-252 3-Pin
8-Pin Plastic
VOLTs
Pin Functions
(D-PAK) SOT-223 (Y)
SOIC (S)
0 To 125 IRU1206-18CD IRU1206-18CY NA NA
0 To 125 IRU1206-25CD IRU1206-25CY NA NA
0 To 125 IRU1206-33CD IRU1206-33CY NA NA
1.8V VIN, VOUT, Gnd
2.5V VIN, VOUT, Gnd
3.3V VIN, VOUT, Gnd
0 To 125 NA NA IRU1207-18CS IRU1207-18CSPbF 1.8V VIN, VOUT , Gnd, Enable, Flag
0 To 125 NA NA IRU1207-25CS IRU1207-25CSPbF 2.5V VIN, VOUT, Gnd, Enable, Flag
0 To 125 NA NA IRU1207-33CS IRU1207-33CSPbF 3.3V VIN, VOUT, Gnd, Enable, Flag
0 To 125 NA NA IRU1208CS IRU1208CSPbF Adj VIN, VOUT, Gnd, Flag, Adj
0 To 125 NA NA IRU1209CS IRU1209CSPbF Adj VIN, VOUT, Gnd, Enable, Adj
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