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NCP705 fiches techniques PDF

ON Semiconductor - LDO Voltage Regulator

Numéro de référence NCP705
Description LDO Voltage Regulator
Fabricant ON Semiconductor 
Logo ON Semiconductor 





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NCP705 fiche technique
NCP705
500 mA, Ultra-Low
Quiescent Current, IQ 13 mA,
Ultra-Low Noise, LDO
Voltage Regulator
Noise sensitive RF applications such as Power Amplifiers in
satellite radios, infotainment equipment, and precision
instrumentation require very clean power supplies. The NCP705 is
500 mA LDO that provides the engineer with a very stable, accurate
voltage with ultra low noise and very high Power Supply Rejection
Ratio (PSRR) suitable for RF applications. The device doesn’t require
any additional noise bypass capacitor to achieve ultralow noise
performance. In order to optimize performance for battery operated
portable applications, the NCP705 employs dynamic Iq management
for ultralow quiescent current consumption at lightload conditions
and great dynamic performance.
Features
Operating Input Voltage Range: 2.5 V to 5.5 V
Available in Fixed Voltage Options: 0.8 to 3.5 V
Contact Factory for Other Voltage Options
UltraLow Quiescent Current of Typ. 13 mA
UltraLow Noise: 12 mVRMS from 100 Hz to 100 kHz
Very Low Dropout: 230 mV Typical at 500 mA
±2% Accuracy Over Load/Line/Temperature
High PSRR: 71 dB at 1 kHz
Internal SoftStart to Limit the TurnOn Inrush Current
Thermal Shutdown and Current Limit Protections
Stable with a 1 mF Ceramic Output Capacitor
Active Output Discharge for Fast TurnOff
These are PbFree Devices
Typical Applicaitons
PDAs, Mobile Phones, GPS, Smartphones
Wireless Handsets, Wireless LAN, Bluetooth, Zigbee
Portable Medical Equipment
Other Battery Powered Applications
VIN
IN OUT
VOUT
CIN 1 mF
NCP705
EN
ON GND
COUT
1 mF
Ceramic
OFF
Figure 1. Typical Application Schematic
http://onsemi.com
WDFN6
CASE 511BR
MARKING
DIAGRAMS
1
XX M
XX = Specific Device Code
M = Date Code
SOT2236
CASE 419AY
AYW
XXXXXG
G
1
A = Assembly Location
Y = Year
W = Work Week
XXXXX = Specific Device Code
G = PbFree Package
(*Note: Microdot may be in either location)
PIN CONNECTIONS
16
2 EXP
5
34
WDFN6 2x2 mm
(Top View)
6
12345
SOT2236
(Top View)
ORDERING INFORMATION
See detailed ordering and shipping information in the package
dimensions section on page 18 of this data sheet.
© Semiconductor Components Industries, LLC, 2013
May, 2013 Rev. 2
1
Publication Order Number:
NCP705/D
Free Datasheet http://www.datasheet4u.com/

PagesPages 20
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