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參數資料
| 型號： | LDO_52 |
| 元件分類： | 基準電壓源/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。 70mA的低壓差穩壓器。 |
| 文件頁數： | 1/4頁 |
| 文件大小： | 204K |
| 代理商： | LDO_52 |
1/4
June 2002
IP Library: High PSRR, Low power,
80mA Low Dropout Voltage Regulator
I
ANALOG BASEBAND REGULATOR
I
VERY LOW DROPOUT VOLTAGE : 50mV
I
HIGH PSRR : 60dB
LOW QUIESCENT CURRENT : 130
μ
A
LOW OUTPUT VOLTAGE NOISE
I
I
I
NO CURRENT IN POWER DOWN MODE
I
SHORT CIRCUIT PROTECTION
I
SMALL DECOUPLING CERAMIC CAPACITOR
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 Analog and Mixed-signal devices for
cellular phone.
APPLICATION NOTE
An external capacitor (C
OUT
= 1
μ
F) 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_51
OUT
IN
PWRDWN
Figure 2 :
Typical Application Circuit
1
μ
F
ESR
V
OUT
C
OUT
OUT
GND
V
IN
IN
Power Down Mode
OFF
ON
LDO_51
PWRDWN
LDO_51
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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相關代理商/技術參數 |
參數描述 |
|---|---|
| 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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