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參數(shù)資料
| 型號： | LDO512 |
| 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: Ultra Low Noise, High PSRR, Low Power, 30mA Very Low Dropout Voltage Regulators |
| 中文描述： | IP庫：超低噪聲，高PSRR，低功耗，30mA的非常低壓差穩(wěn)壓器 |
| 文件頁數(shù)： | 1/6頁 |
| 文件大?。?/td> | 269K |
| 代理商： | LDO512 |
1/6
June 2002
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RF REGULATOR
VERY LOW DROPOUT VOLTAGE : 30mV
ULTRA LOW OUTPUT VOLTAGE NOISE
HIGH PSRR : 70dB
LOW STAND-BY CURRENT : 20μA
LOW QUIESCENT CURRENT : 150μA FULL
LOAD
NO CURRENT IN POWER DOWN MODE
SHORT CIRCUIT PROTECTION
SMALL DECOUPLING CERAMIC CAPACITOR
BIPOLAR INPUT STAGE
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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_512
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_512
→
→
Stand-by Mode
→
→
LDO_512
IP Library: Ultra Low Noise, High PSRR, Low Power,
30mA Very Low Dropout Voltage Regulators
This is advance information on a new product now in development or undergoing evaluation. Details are subject to change without notice.
PRODUCT PREVIEW
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LDO-512 | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:Ultra Low Noise, High PSRR, Low Power, 30mA Very Low Dropout Voltage Regulators |
| LDO513 | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:IP Library: Power Supply Range 2.9V to 13V, Low Power, 50mA Low Dropout Voltage Regulator |
| LDO514 | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:IP Library: High PSRR, Very Low power, 200mA Low Dropout Voltage Regulator |
| 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 |
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