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Numéro de référence | NCP705 | ||
Description | LDO Voltage Regulator | ||
Fabricant | ON Semiconductor | ||
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1 Page
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 ultra−low noise
performance. In order to optimize performance for battery operated
portable applications, the NCP705 employs dynamic Iq management
for ultra−low quiescent current consumption at light−load 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
• Ultra−Low Quiescent Current of Typ. 13 mA
• Ultra−Low 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 Soft−Start to Limit the Turn−On Inrush Current
• Thermal Shutdown and Current Limit Protections
• Stable with a 1 mF Ceramic Output Capacitor
• Active Output Discharge for Fast Turn−Off
• These are Pb−Free 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
SOT223−6
CASE 419AY
AYW
XXXXXG
G
1
A = Assembly Location
Y = Year
W = Work Week
XXXXX = Specific Device Code
G = Pb−Free Package
(*Note: Microdot may be in either location)
PIN CONNECTIONS
16
2 EXP
5
34
WDFN6 2x2 mm
(Top View)
6
12345
SOT223−6
(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/
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Pages | Pages 20 | ||
Télécharger | [ NCP705 ] |
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