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Numéro de référence | NCP3520 | ||
Description | (NCP3520 / NCP3521) LDO Regulator Controller | ||
Fabricant | ON Semiconductor | ||
Logo | |||
1 Page
NCP3520/NCP3521
LDO Regulator Controller
The NCP3520 / NCP3521 parts are Low Drop Out (LDO) regulator
controllers for applications requiring high−currents and ultra low
dropout voltages. The use of an external NMOS driver allows the user
to adapt the device to a multitude of applications depending on system
requirements for current and dropout voltage.
Features
• Fixed Voltage Options
♦ NCP3520 (1.2 V)
♦ NCP3521 (1.5 V)
• Low Operating Current
• Low Standby Current (sleep mode < 1 mA)
• Non Rush Current on Startup
• Short Circuit Protection
• 1% Output Voltage Tolerance
• Drop−In Replacement for Rohm BD3520FVM and BD3521FVM
• Functionally Equivalent to the
Rohm BD3501FVM and BD3502FVM
• These are Pb−Free Devices
Typical Applications
• Computer based gaming consoles
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NCP3520
NCP3521
EN VD
NRCS
VD
10 mF
0.01 mF
5.0 A
1.0 mF
VCC
GND
G
VS
VFB
NTMS4107N
or equivalent
3.0 A
220 mF
VO
http://onsemi.com
MARKING
DIAGRAM
8
Micro8
XXXX
DM SUFFIX
AYW G
1
CASE 846A
STYLE 2
G
1
XXXX
A
Y
W
G
= 3520 for Fixed 1.2 V or
= 3521 for Fixed 1.5 V
= Assembly Location
= Year
= Work Week
= Pb−Free Package
(Note: Microdot may be in either location)
PIN CONNECTIONS
NRCS
GND
EN
VCC
18
27
36
45
Micro8
(Top View)
VD
G
VS
VFB
ORDERING INFORMATION
See detailed ordering and shipping information in the package
dimensions section on page 9 of this data sheet.
NOTE: For best performance VFB should
utilize a Kelvin connection at the load.
Figure 1. Application Diagram
© Semiconductor Components Industries, LLC, 2007
March, 2007 − Rev. 0
1
Publication Order Number:
NCP3520/D
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Pages | Pages 10 | ||
Télécharger | [ NCP3520 ] |
No | Description détaillée | Fabricant |
NCP3520 | (NCP3520 / NCP3521) LDO Regulator Controller | ON Semiconductor |
NCP3521 | (NCP3520 / NCP3521) LDO Regulator Controller | ON Semiconductor |
US18650VTC5A | Lithium-Ion Battery | Sony |
TSPC106 | PCI Bus Bridge Memory Controller | ATMEL |
TP9380 | NPN SILICON RF POWER TRANSISTOR | Advanced Semiconductor |
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