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參數(shù)資料
| 型號： | ILC7281CS-2530 |
| 廠商： | Impala Linear Corporation |
| 英文描述： | MICROPOWER DUAL 150MA CMOS RF LDO REGULATORS WITH POWER SUPPLY RESET MONITOR |
| 中文描述： | 微功耗150mA雙路LDO穩(wěn)壓器的CMOS射頻與電源復(fù)位監(jiān)控器 |
| 文件頁數(shù)： | 1/9頁 |
| 文件大小： | 74K |
| 代理商： | ILC7281CS-2530 |
The ILC7281 provides two independant 150mA low dropout
(LDO) voltage regulators and power supply reset monitor in
an 8-pin MSOP package. Each regulator output is inde-
pendantly short circuit protected and has independant shut-
down. The device offers a unique combination of low
dropout voltage and low quiescent current of CMOS and
low noise and high ripple rejection characteristics of bipolar
LDO regulators. Moreover, only one input capacitor is
required. The power supply reset monitor is available in a
±1% accurate trip voltage to fit most microprocessor appli-
cations. Even though its output can sink 2mA, the monitor
draws only 1μA in normal operation. Additionally, a built-in
hysteresis of 5% of detect voltage simplifies system design.
Dropout Voltage:
Typically 150mV at 150mA load, and
1mV at 1mA load.
Ground pin current:
Typically 20μA at 1mA load, and
30μA at 150mA load.
Ripple rejection:
75dB at 1kHz and 60dB at 100kHz.
Shutdown mode:
Less than 0.5μA quiescent current in
shutdown mode.
Small package:
8-pin MSOP.
Small capacitor:
Requires only a 0.47μF external cpacitor
on the regulator output.
Precision output:
Output voltage trimmed to 1% accuracy.
ILC7281
Micropower Dual 150mA CMOS RF LDO Regulators
with Power Supply Reset Monitor
Impala Linear Corporation
Impala Linear Corporation
1
(408) 574-3939
www.impalalinear.com
Nov 2000
ILC7281 1.0
Guaranteed 150mA output per regulator
Ultra low 150mV dropout at 150mA
1% output voltage accuracy
Built-in hysteresis of 5% of detection voltage
Requires only 0.47μF output capacitor
Only 30μA ground current at 150mA load
75dB ripple rejection at 1kHz (C
OUT
= 0.47μF)
80μV
RMS
noise at BW = 300Hz to 50kHz
Excellent line and load transient rsponse
Over current / over temperature protection
8-pin MSOP package
-80dB cross talk
Cellular Phones, pagers and wireless headsets
Microprocessor reset circuits
Palmtops, oragnizers, PDA’s and portable electronics
Microprocessor reset circuits
Battery powered portable appliances
Memory battery back-up circuitry
V
IN
1μF
ceramic
0.47-2.2μF
ceramic
+
+
+
V
OUTB
C
470pF
+
10K
V
RESET
GND
V
OUTA
EN
A
0.47-2.2μF
ceramic
EN
B
Ordering Information* (T
A
= -40°C to +85°C)
ILC7281CS-2530
150mA 2.5V and 3.0V LDO regulators with
2.7V detect fail voltage (V
DF
) Monitor
Note: Enable may be connected to V
IN
, C
NOISE
connects to both LDO’s
General Description
Features
Applications
Figure 1
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| ILC7526-IK | USB DUAL CONTROL SWITCHES |
| ILC7526-IN | USB DUAL CONTROL SWITCHES |
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| ILC7362 | 制造商:IMPALA 制造商全稱:IMPALA 功能描述:SOT-23 CMOS NEGATIVE LDO |
| ILC7362CM-30 | 制造商:IMPALA 制造商全稱:IMPALA 功能描述:SOT-23 CMOS NEGATIVE LDO |
| ILC7362CM30X | 功能描述:低壓差穩(wěn)壓器 - LDO SOT-23-3 RoHS:否 制造商:Texas Instruments 最大輸入電壓:36 V 輸出電壓:1.4 V to 20.5 V 回動電壓（最大值）:307 mV 輸出電流:1 A 負載調(diào)節(jié):0.3 % 輸出端數(shù)量: 輸出類型:Fixed 最大工作溫度:+ 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-20 |
| ILC7362CM50X | 功能描述:低壓差穩(wěn)壓器 - LDO SOT-23-3 RoHS:否 制造商:Texas Instruments 最大輸入電壓:36 V 輸出電壓:1.4 V to 20.5 V 回動電壓（最大值）:307 mV 輸出電流:1 A 負載調(diào)節(jié):0.3 % 輸出端數(shù)量: 輸出類型:Fixed 最大工作溫度:+ 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-20 |
| ILC7362CP-30 | 制造商:IMPALA 制造商全稱:IMPALA 功能描述:SOT-23 CMOS NEGATIVE LDO |
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