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參數(shù)資料
| 型號： | LDO_55 |
| 元件分類： | 基準(zhǔn)電壓源/電流源 |
| 英文描述： | IP LIBRARY: VERY LOW POWER. ADJUSTABLE OUTPUT VOLTAGE. 25MA LOW DROPOUT VOLTAGE REGULATOR. |
| 中文描述： | IP庫：非常低的?？烧{(diào)輸出電壓。為25mA低壓差穩(wěn)壓器。 |
| 文件頁數(shù)： | 1/4頁 |
| 文件大?。?/td> | 204K |
| 代理商： | LDO_55 |
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
相關(guān)PDF資料 |
PDF描述 |
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| LDO_57 | IP LIBRARY: HIGH OUTPUT CURRENT. LOW POWER. 400MA LOW DROPOUT VOLTAGE REGULATOR. |
| LDO_58 | IP LIBRARY: ULTRA LOW NOISE. LOW POWER. 100MA LOW DROPOUT VOLTAGE REGULATOR. |
| LDO_59 | IP LIBRARY: ULTRA LOW NOISE. HIGH PSRR. LOW POWER. 20MA LOW DROPOUT VOLTAGE REGULATOR. |
| LDO51 | IP Library: High PSRR, Low power, 80mA Low Dropout Voltage Regulator |
| LDO_SELECTION_GUIDE | Guides | |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| 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 |
| LDOC_515 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:IP LIBRARY: VERY LOW POWER. VERY HIGH PSRR. 100MA LOW DROPOUT VOLTAGE REGULATOR. |
| LDOC_516 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:IP LIBRARY: HIGH PSRR. LOW POWER. 100MA LOW DROPOUT VOLTAGE REGULATOR. |
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