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CMOS LDO. FAN2559 Datasheet

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CMOS LDO. FAN2559 Datasheet






FAN2559 LDO. Datasheet pdf. Equivalent




FAN2559 LDO. Datasheet pdf. Equivalent





Part

FAN2559

Description

(FAN2558 / FAN2559) 180mA Low Voltage CMOS LDO



Feature


www.DataSheet4U.com www.fairchildsemi.c om FAN2558/FAN2559 180mA Low Voltage C MOS LDO Features • Fixed 1.0V, 1.2V, 1.3V, 1.5V, 1.8V, 2.5V, 3.3V, 3.5V, 3.6 V, 3.8V and Adjustable Output • Power Good Indicator with Open Drain Output • 180mA Output Current • 100µA Gro und Current • Cbypass for Low Noise O peration • Fast Enable for CDMA Appli cations • High Ripple Rejection.
Manufacture

Fairchild Semiconductor

Datasheet
Download FAN2559 Datasheet


Fairchild Semiconductor FAN2559

FAN2559; • Current Limit • Thermal Shutdown • Excellent Line and Load Regulation • Requires Only 1µF Output Capacitor • Stable with 0 to 300mΩ ESR • T TL-level Compatible Enable Input • Ac tive Output Discharge General Descript ion The FAN2558/9 low voltage CMOS LDOs feature fixed or adjustable output vo ltage, 180mA load current, delayed powe r good output (open drain) and 1% out.


Fairchild Semiconductor FAN2559

put accuracy with excellent line and loa d regulation. An external bypass capaci tor provides ultra-low noise operation. The FAN2558/9 low voltage LDOs incorpo rate both thermal shutdown and short ci rcuit 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 package s. FAN2558: Fixed O.


Fairchild Semiconductor FAN2559

utput LDO with Power Good output FAN2558 ADJ: Adjustable Output LDO with Power G ood output FAN2559: Fixed Output LDO wi th Power Good output, Low Noise Availab le 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 voltage options are also available. Applicatio ns • • • • Processor Power-up s equencing PDAs, Cell Phone.

Part

FAN2559

Description

(FAN2558 / FAN2559) 180mA Low Voltage CMOS LDO



Feature


www.DataSheet4U.com www.fairchildsemi.c om FAN2558/FAN2559 180mA Low Voltage C MOS LDO Features • Fixed 1.0V, 1.2V, 1.3V, 1.5V, 1.8V, 2.5V, 3.3V, 3.5V, 3.6 V, 3.8V and Adjustable Output • Power Good Indicator with Open Drain Output • 180mA Output Current • 100µA Gro und Current • Cbypass for Low Noise O peration • Fast Enable for CDMA Appli cations • High Ripple Rejection.
Manufacture

Fairchild Semiconductor

Datasheet
Download FAN2559 Datasheet




 FAN2559
www.DataSheet4U.com
www.fairchildsemi.com
FAN2558/FAN2559
180mA Low Voltage CMOS LDO
Features
• 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
• 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
Applications
• Processor Power-up sequencing
• PDAs, Cell Phones
• Portable Electronic Equipment
• PCMCIA Vcc and Vpp regulation/switching
General Description
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.
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
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.
Typical Application
47K
RPG
VFIBN VOUT
SHDN
GND
CAP+
ECNAP- PG
C OUT
47K
RPG
VFIBN VOUT
SHDN
GND ADJ
CAP+
ECNAP- PG
R1
R2
C OUT
47K
RPG
VFIBN VOUT
SHDN
GND CBYP
CAP+
ECNAP- PG
C OUT
C BYP
FAN2558
FAN2558ADJ
FAN2559
REV. 1.0.4 3/15/04




 FAN2559
www.DataSheet4U.com
FAN2558/FAN2559
Pin Assignments
VIN 1
GND 2
EN 3
5 VOUT
4 PG
FAN2558
5-Lead SOT-23 PACKAGE
TOP-VIEW
VIN 1
GND 2
EN 3
6 VOUT
5 ADJ/BYP
4 PG
FAN2558ADJ/FAN2559
6-Lead SOT-23 PACKAGE
PRODUCT SPECIFICATIONS
VOUT 1
NC/ADJ/BYP 2
PG 3
6 VIN
5 GND
4 EN
FAN2558/FAN2558ADJ/FAN2559
2x2mm MLP-6 PACKAGE
Pin no.
1
2
3
4
5
6
FAN2558
5SOT-23 2x2mm MLP-6
VIN
GND.
VOUT
NC
EN PG
PG EN
VOUT
GND
VIN
Pin Name
FAN2558ADJ
6SOT-23 2x2mm MLP-6
VIN
GND.
VOUT
ADJ
EN PG
PG EN
ADJ GND
VOUT
VIN
FAN2559
6SOT-23 2x2mm MLP-6
VIN
GND.
VOUT
BYP
EN PG
PG EN
BYP
GND
VOUT
VIN
Pin Descriptions
Symbol
VIN
VOUT
GND
PG
ADJ
BYP
EN
Pin Function Description
Power Supply Input
Regulated Voltage Output
Ground Connection
Power Good Output, Open Drain
Ratio of potential divider from Vout to ADJ determines output voltage
Reference Noise Bypass
Chip Enable Input. The regulator is fully enabled when TTL “H” is applied to this input. The regulator
enters into shutdown mode when TTL “L” is applied to this input.
2 REV. 1.0.4 3/15/04




 FAN2559
www.DataSheet4U.com
PRODUCT SPECIFICATIONS
Absolute Maximum Ratings
Parameter
VIN to GND
Voltage on any other pin to GND
Junction Temperature (TJ)
Storage Temperature
Lead Soldering Temperature, 10 seconds
Power Dissipation (PD)
Electrostatic Discharge (ESD) Protection (Note1)
FAN2558/FAN2559
HBM
CDM
Min.
-0.3
-55
-65
4
1
Max.
6
VIN + 0.3
150
150
300
Internally
Limited
Units
V
V
°C
°C
°C
W
kV
Recommended Operating Conditions
Parameter
Min.
Supply Voltage Range, VIN for VOUT < 2.0V
Supply Voltage Range, VIN for VOUT 2.0V
Load Current
2.7
VOUT + VDROPOUT
Enable Input Voltage VEN
Power Good Output Voltage Range VPG
Junction Temperature
0
0
-40
Thermal Resistance-Junction to Ambient SOT-23 (Note 2)
Thermal Resistance-Junction to Case, 2mm x 2mm
6-lead MLP
Typ.
Max.
5.5
5.5
180
VIN
VIN
125
235
75
Units
V
V
mA
V
V
°C
°C/W
Notes:
1. Using Mil Std. 883E, method 3015.7 (Human Body Model) and EIA/JESD22C101-A (Charge Device Model)
2. Junction to ambient thermal resistance, ΘJC, is a strong function of PCB material, board thickness, thickness and number of
copper plains, number of via used, diameter of via used, available copper surface, and attached heat sink characteristics.
REV. 1.0.4 3/15/04
3






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