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參數(shù)資料
| 型號： | LDO52 |
| 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: High PSRR, Low Power, 70mA Low Dropout Voltage Regulator |
| 中文描述： | IP庫：高PSRR，低功耗，低壓差七十〇毫安穩(wěn)壓 |
| 文件頁數(shù)： | 1/4頁 |
| 文件大?。?/td> | 48K |
| 代理商： | LDO52 |
1/4
June 2002
IP Library: High PSRR, Low Power,
70mA Low Dropout Voltage Regulator
I
DIGITAL BASEBAND REGULATOR
I
VERY LOW DROPOUT VOLTAGE : 50mV
I
HIGH PSRR : 60dB
LOW QUIESCENT CURRENT : 150
μ
A
1
μ
A STAND-BY MODE CURRENT
NO CURRENT IN POWER DOWN MODE
I
I
I
I
SHORT CIRCUIT PROTECTION
I
SMALL DECOUPLING CERAMIC CAPACITOR
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 Digital (Memory, DSP/Microcontroller)
devices.
APPLICATION NOTE
An external capacitor (C
OUT
= 1
μ
F typical) with an
equivalent serial resistance (ESR) in the range
0.02 to 0.6
is used to ensure stability.
Figure 1 :
Block Diagram
V
REF
LDO_52
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_52
→
→
Stand-by Mode
→
→
LDO_52
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 |
|---|---|
| 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 |
| 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 |
| LDO58 | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:IP Library: Ultra Low Noise, Low power, 100mA Low Dropout Voltage Regulator |
| LDO59 | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:IP Library: Ultra Low Noise, High PSRR, Low Power, 20mA Low Dropout Voltage Regulator |
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