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參數(shù)資料
| 型號： | LDO58 |
| 廠商： | 意法半導(dǎo)體 |
| 元件分類： | 基準電壓源/電流源 |
| 英文描述： | IP Library: Ultra Low Noise, Low power, 100mA Low Dropout Voltage Regulator |
| 中文描述： | IP庫：超低噪聲，低功耗，100mA的低壓差穩(wěn)壓器 |
| 文件頁數(shù)： | 1/4頁 |
| 文件大?。?/td> | 106K |
| 代理商： | LDO58 |
1/4
June 2002
IP Library: Ultra Low Noise, Low power,
100mA Low Dropout Voltage Regulator
I
RF REGULATOR
I
VERY LOW DROPOUT VOLTAGE : 50mV
I
ULTRA LOW OUTPUT NOISE
I
HIGH OUTPUT CURRENT : 100mA
I
LOW QUIESCENT CURRENT : 110
μ
A
I
HIGH PSRR : 65dB
I
NO CURRENT IN POWER DOWN MODE
I
SHORT CIRCUIT PROTECTION
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
= 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_58
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_58
→
→
Stand-by Mode
→
→
LDO_58
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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| 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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| 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. |
| LDOC515 | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:IP Library: Very Low power, Very High PSRR 100mA Low Dropout Voltage Regulator |
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