NCP3520/NCP3521
LDO Regulator Controller
The NCP3520 / NCP3521 parts are Low Drop Out (LDO) regulator controllers for a...
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
ăFixed
Voltage Options
♦ăNCP3520 (1.2 V) ♦ăNCP3521 (1.5 V)
ăLow Operating Current ăLow Standby Current (sleep mode < 1 mA) ăNon Rush Current on Startup ăShort Circuit Protection ă1% Output
Voltage Tolerance ăDrop-In Replacement for Rohm BD3520FVM and BD3521FVM ăFunctionally Equivalent to Rohm BD3501FVM and BD3502FVM ăThese are Pb-Free Devices
Typical Applications
ăConsumer: Set-Top Boxes, Gaming Consoles ăLCD Televisions ăFPGA ăNetworking Equipment
0.01 mF
NCP3520 NCP3521 EN VD
NRCS
VD 10 mF
http://onsemi.com
MARKING DIAGRAM
8
Micro8
XXXX
DM SUFFIX
AYWĂG
1 CASE 846A
G
STYLE 2
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
5.0 V 1.0 mF
VCC GND
G VS
VFB
NTMS4107N or equivalent
3.0 A
220 mF
VO
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 t...