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參數資料
| 型號： | LDO514 |
| 廠商： | 意法半導體 |
| 元件分類： | 基準電壓源/電流源 |
| 英文描述： | IP Library: High PSRR, Very Low power, 200mA Low Dropout Voltage Regulator |
| 中文描述： | IP庫：高PSRR，極低功耗，200mA的低壓差穩壓器 |
| 文件頁數： | 1/4頁 |
| 文件大?。?/td> | 164K |
| 代理商： | LDO514 |
1/4
June 2002
I
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RF REGULATOR
VERY LOW DROPOUT VOLTAGE : 50mV
VERY LOW CONSUMPTION : 320μA FULL
LOAD
VERY GOOD TRANSIENT BEHAVIOUR : 1mV
OUTPUT CURRENT : 200mA
HIGH PSRR : 65dB
NO CURRENT IN POWER DOWN MODE
SHORT CIRCUIT PROTECTION
I
I
I
I
I
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TYPICAL APPLICATIONS
– Cellular and Cordless phones supplied by 1 cell
Lithium-ion battery / 3 cells Ni-MH or Ni-Cd
battery
– PDA (Personal Digital Assistant),
– Smart phone
– Portable equipment
– Supply for RF devices for cellular phone
APPLICATION NOTE
An external capacitor (C
OUT
= 1μF) with an
equivalent serial resistance (ESR) in the range
0.02 to 0.6
is used for regulator stability.
Figure 1 :
Block Diagram
V
REF
LDO_514
OUT
IN
PWRDWN
STDBY
Figure 2 :
Typical Application Circuit
1
μ
F
ESR
V
OUT
C
OUT
OUT
GND
V
IN
IN
PWRDWN
Power Down Mode
ON
OFF
Stand-by Mode
Active Mode
STDBY
LDO_514
→
→
Stand-by Mode
→
→
LDO_514
This is advance information on a new product now in development or undergoing evaluation. Details are subject to change without notice.
PRODUCT PREVIEW
IP Library: High PSRR, Very Low power,
200mA Low Dropout Voltage Regulator
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相關代理商/技術參數 |
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| LDO517 | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:IP Library: Wide Range ESR Capacitor, Low Noise, 100mA Low Dropout Voltage Regulator |
| LDO518 | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:IP Library: Low Noise, High PSRR 100mA Low Dropout Voltage Regulator |
| LDO52 | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:IP Library: High PSRR, Low Power, 70mA Low Dropout Voltage Regulator |
| LDO53 | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:IP Library: High PSRR, Very Low Power, 40mA Low Dropout Voltage Regulator |
| LDO55 | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:IP Library: Very Low Power, Adjustable Output Voltage, 25mA Low Dropout Voltage Regulator |
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