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參數資料
| 型號： | MAS9124ASTU-T |
| 元件分類： | 固定正電壓單路輸出LDO穩壓器 |
| 英文描述： | 2 V FIXED POSITIVE LDO REGULATOR, 0.32 V DROPOUT, PDSO5 |
| 封裝： | EIAJ, SC-74, SOT-23, 5 PIN |
| 文件頁數： | 1/14頁 |
| 文件大?。?/td> | 404K |
| 代理商： | MAS9124ASTU-T |
DA9124.009
11 January 2005
1 (
14)
MAS9124
150 mA LDO Voltage Regulator IC
Low Noise: 20 Vrms
Low Minimum Output Capacitance
Requirement: 0.23 F
Excellent Ripple Rejection: 65 dB
Very Low Dropout: 70 mV
Regulator Enable/Disable Control
Stable with Low-ESR Output
Capacitors
DESCRIPTION
MAS9124 is a low dropout voltage regulator with
very low output noise, high PSRR and small output
capacitance requirement.
Due to the low noise level of only 20 Vrms,
MAS9124 is suitable for sensitive circuits, e.g., in
RF applications. In addition to the noise levels,
MAS9124 excels in dropout voltage (70 mV typical
at 50 mA) and rise time (16 s typical without
bypass capacitor). Also its ripple rejection ability of
65 dB at 10 kHz exceeds that of competition.
The Equivalent Series Resistance (ESR) range of
output capacitors that can be used with MAS9124
is very wide. This ESR range from a few m up to a
couple of Ohms combined with no minimum output
current requirement makes the usage of MAS9124
easier and low in cost.
MAS9124 features an enable/disable pin, which
allows device to be turned off or on by pulling
control to low or high. In order to save power the
device goes into sleep mode when the regulator is
disabled.
MAS9124 also includes an auto-discharge function,
wherein a shutdown transistor turns on and
discharges the output capacitor, when MAS9124 is
turned off.
An internal thermal protection circuit prevents the
device from overheating. Also the maximum output
current is internally limited.
FEATURES
APPLICATIONS
Low Noise
Functionally and Pin Compatible with
LP2985/LP3985
Can be used w/o CBYPASS, see p. 6
Auto-discharge Function
Internal Thermal Shutdown
Short Circuit Protection
Small SOT23-5 or Thin TSOT-5 Package
Several Output Voltage Options Available, see
Ordering Information p. 12
Mobile Phones
WLAN Chipsets
Cordless Phones
Accessories
Pagers
Battery Powered Systems
Portable Systems
Radio Control Systems
Low Voltage Systems
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相關代理商/技術參數 |
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| MAS9128A | 制造商:MICRONAS 制造商全稱:MICRONAS 功能描述:LDO Voltage Regulator IC |
| MAS9128AS | 制造商:MICRONAS 制造商全稱:MICRONAS 功能描述:LDO Voltage Regulator IC |
| MAS9128AS-T | 制造商:MICRONAS 制造商全稱:MICRONAS 功能描述:LDO Voltage Regulator IC |
| MAS9138 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:ASYNCHRONOUS TO SYNCHRONOUS CONVERTER |
| MAS9138A1SD06 | 制造商:MAS 制造商全稱:MAS 功能描述:ASYNCHRONOUS TO SYNCHRONOUS CONVERTER |
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