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參數(shù)資料
| 型號： | LDO517 |
| 廠商： | 意法半導(dǎo)體 |
| 元件分類： | 基準(zhǔn)電壓源/電流源 |
| 英文描述： | IP Library: Wide Range ESR Capacitor, Low Noise, 100mA Low Dropout Voltage Regulator |
| 中文描述： | IP庫：大范圍的ESR電容，低噪聲，100mA的低壓差穩(wěn)壓器 |
| 文件頁數(shù)： | 1/4頁 |
| 文件大?。?/td> | 50K |
| 代理商： | LDO517 |
1/4
June 2002
I
I
AnyESR REGULATOR
VERY COMMON OUTPUT DECOUPLING
CERAMIC CAPACITOR
LOW CONSUMPTION : 250μA FULL LOAD
VERY LOW NOISE : 30μV
VERY LOW DROPOUT VOLTAGE : 50mV
HIGH PSRR : 60dB
STANDBY AND POWER DOWN MODE
NO CURRENT IN POWER DOWN MODE
SHORT CIRCUIT PROTECTION
I
I
I
I
I
I
I
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) up to 1
is
used for regulator stability.
Figure 1 :
Block Diagram
V
REF
LDO_517
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_517
→
→
Stand-by Mode
→
→
LDO_517
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: Wide Range ESR Capacitor, Low Noise,
100mA Low Dropout Voltage Regulator
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| 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 |
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| 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 |
| LDO57 | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:IP Library: High Output Current, Low power, 400mA Low Dropout Voltage Regulator |
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