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FAN2559 PDF预览

FAN2559

更新时间: 2024-11-22 22:50:59
品牌 Logo 应用领域
飞兆/仙童 - FAIRCHILD /
页数 文件大小 规格书
15页 307K
描述
180mA Low Voltage CMOS LDO

FAN2559 数据手册

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www.fairchildsemi.com  
FAN2558/FAN2559  
180mA Low Voltage CMOS LDO  
Features  
General Description  
• Fixed 1.0V, 1.2V, 1.3V, 1.5V, 1.8V, 2.5V, 3.3V, 3.5V, 3.6V,  
3.8V and Adjustable Output  
• Power Good Indicator with Open Drain Output  
• 180mA Output Current  
The FAN2558/9 low voltage CMOS LDOs feature xed or  
adjustable output voltage, 180mA load current, delayed  
power good output (open drain) and 1% output accuracy  
with excellent line and load regulation. An external bypass  
capacitor provides ultra-low noise operation.  
• 100µA Ground Current  
• Cbypass for Low Noise Operation  
• Fast Enable for CDMA Applications  
• High Ripple Rejection  
• Current Limit  
• Thermal Shutdown  
• Excellent Line and Load Regulation  
• Requires Only 1µF Output Capacitor  
• Stable with 0 to 300mESR  
• TTL-level Compatible Enable Input  
• Active Output Discharge  
The FAN2558/9 low voltage LDOs incorporate both thermal  
shutdown and short circuit protection. Output is stable with a  
1µF, low ESR capacitor. The FAN2558/9 family is available  
in 5-Lead SOT-23, 6-Lead SOT-23 and 2x2mm MLP-6  
packages.  
FAN2558: Fixed Output LDO with Power Good output  
FAN2558ADJ: Adjustable Output LDO with Power Good  
output  
Applications  
• Processor Power-up sequencing  
• PDAs, Cell Phones  
FAN2559: Fixed Output LDO with Power Good output,  
Low Noise  
Available standard output voltages are 1.0, 1.2V, 1.3V, 1.5V,  
1.8V, 2.5V, 3.3V, 3.5V, 3.6V, and 3.8V. Custom output volt-  
age options are also available.  
• Portable Electronic Equipment  
• PCMCIA Vcc and Vpp regulation/switching  
Typical Application  
47KΩ  
47KΩ  
47KΩ  
R
R
R
PG  
PG  
PG  
V
V
V
V
OUT  
V
V
OUT  
IN  
IN  
IN  
OUT  
R
R
C
C
C
OUT  
1
2
GND  
OUT  
GND  
OUT  
GND  
C
ADJ  
PG  
BYP  
C
BYP  
EN  
EN  
EN  
PG  
PG  
FAN2558  
FAN2558ADJ  
FAN2559  
REV. 1.0.4 3/15/04  

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