参数资料
| 型号： | IRU1209CSTR |
| 厂商： | International Rectifier |
| 文件页数： | 3/12页 |
| 文件大小： | 0K |
| 描述： | IC REG LDO ADJ 1A 8-SOIC |
| 标准包装： | 2,500 |
| 稳压器拓扑结构： | 正，可调式 |
| 输出电压： | 可调 |
| 输入电压： | 2.1 V ~ 12 V |
| 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) |
IRU1206/IRU1207/IRU1208/IRU1209(PbF)
PARAMETER
SYM
TEST CONDITION
MIN
TYP
MAX
UNITS
IRU1207, IRU1209
Ground Current - SD Activated
I Q(SD)
Enable=Open
0.01
1
μ A
Enable Pin Input LO Voltage
Enable Pin Input HI Voltage
V EN(L)
V EN(L)
Regulator OFF (Note 4)
Regulator ON (Note 4)
2
0.8
V
V
Enable Pin Input LO Current
Enable Pin Input HI Current
V EN(L) =0V to 0.8V (Note 4)
V EN(L) =2V to Vin (Note 4)
0.1
100
2
600
μ A
μ A
IRU1207, IRU1208
Flag Output Threshold Voltage
V TH(FG)
5
%V O
Flag Output Hysteresis Voltage
V HYS
Output Ramping Up
0.8
%V O
Flag Output Saturation Voltage
V F(SAT) Io=5mA
400
mV
Io=500 μ A
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.
PIN DESCRIPTIONS
230
Note 3 : Ground current is the regulator quiescent cur-
rent plus the pass transistor current. The total current
from the supply is the sum of the load current plus the
ground pin current.
Note 4 : The specification applies for the junction tem-
perature of 0 to +125 C.
PIN SYMBOL
V IN
(All devices)
V OUT
(All devices)
Gnd
(All devices)
Enable
PIN DESCRIPTION
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 0.6V higher than V OUT in order
for the device to regulate properly.
The output of the regulator. A minimum of 2.2 μ F capacitor must be connected from this pin
to ground.
Ground pin. This pin must be connected to the lowest potential in the system and all other
pins must be at higher potential with respect to this pin.
Enable pin. A low signal or left open on this pin shuts down the output. This pin must be tied
(IRU1207, IRU1209) HI or to V IN for normal operation.
Flag
An open collector output that switches low when the output voltage drops about 4% below
(IRU1207, IRU1208) its expected regulated voltage.
Adj
(IRU1208, IRU1209)
A resistor divider from this pin to the V OUT pin and ground sets the output voltage.
APPLICATION INFORMATION
Stability
The IRU120X series of regulators require the use of an
output capacitor as part of the frequency compensation
in order to make the regulator stable. A minimum of 2.2 μ F
capacitance and the ESR in the range of 0.5 to 2 ? in-
sures the stability of the system.
Part Number
IRU1206-18
IRU1206-25
IRU1206-33
IRU1207-18
IRU1207-25
IRU1207-33
IRU1208
IRU1209
Output
Voltage
1.8V
2.5V
3.3V
1.8V
2.5V
3.3V
1.24V
1.24V
Table 1 - Output voltage vs. part number.
www.irf.com
3
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| IRU1240CPTR | 功能描述:IC REG DUAL COMBO ULTRATHIN-7 RoHS:否 类别:集成电路 (IC) >> PMIC - 稳压器 - DC DC 开关稳压器 系列:- 标准包装:20 系列:SIMPLE SWITCHER® 类型:降压（降压） 输出类型:固定 输出数:1 输出电压:12V 输入电压:4 V ~ 60 V PWM 型:电压模式 频率 - 开关:52kHz 电流 - 输出:1A 同步整流器:无 工作温度:-40°C ~ 125°C 安装类型:通孔 封装/外壳:16-DIP（0.300"，7.62mm） 包装:管件 供应商设备封装:16-DIP 其它名称:*LM2575HVN-12LM2575HVN-12 |
| IRU1240CSTR | 功能描述:IC REG DUAL COMBO 8-SOIC RoHS:否 类别:集成电路 (IC) >> PMIC - 稳压器 - DC DC 开关稳压器 系列:- 标准包装:20 系列:SIMPLE SWITCHER® 类型:降压（降压） 输出类型:固定 输出数:1 输出电压:12V 输入电压:4 V ~ 60 V PWM 型:电压模式 频率 - 开关:52kHz 电流 - 输出:1A 同步整流器:无 工作温度:-40°C ~ 125°C 安装类型:通孔 封装/外壳:16-DIP（0.300"，7.62mm） 包装:管件 供应商设备封装:16-DIP 其它名称:*LM2575HVN-12LM2575HVN-12 |
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