參數(shù)資料
型號: LDO514
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: High PSRR, Very Low power, 200mA Low Dropout Voltage Regulator
中文描述: IP庫:高PSRR,極低功耗,200mA的低壓差穩(wěn)壓器
文件頁數(shù): 1/4頁
文件大?。?/td> 164K
代理商: LDO514
1/4
June 2002
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RF REGULATOR
VERY LOW DROPOUT VOLTAGE : 50mV
VERY LOW CONSUMPTION : 320μA FULL
LOAD
VERY GOOD TRANSIENT BEHAVIOUR : 1mV
OUTPUT CURRENT : 200mA
HIGH PSRR : 65dB
NO CURRENT IN POWER DOWN MODE
SHORT CIRCUIT PROTECTION
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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_514
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_514
Stand-by Mode
LDO_514
This is advance information on a new product now in development or undergoing evaluation. Details are subject to change without notice.
PRODUCT PREVIEW
IP Library: High PSRR, Very Low power,
200mA Low Dropout Voltage Regulator
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