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Número de pieza | NCP3520 | |
Descripción | (NCP3520 / NCP3521) LDO Regulator Controller | |
Fabricantes | ON Semiconductor | |
Logotipo | ||
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No Preview Available ! 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
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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
1 page NCP3520/NCP3521
1.204
1.2035
1.203
1.2025
1.202
1.2015
1.201
1.2005
1.2
1.1995
1.199
−10
IOUT = 50 mA
25 60
TEMPERATURE (°C)
Figure 3. 1.2 V Output Voltage versus
Temperature (NCP3520)
85
1.507
1.506
1.505
1.504
1.503
1.502
1.501
1.5
1.499
1.498
−10
IOUT = 50 mA
25 60
TEMPERATURE (°C)
Figure 4. 1.5 V Output Voltage versus
Temperature (NCP3521)
95
1.400
1.11
1.200
1.000
0.800
0.600
0.400
0.200
1.1
1.09
1.08
1.07
1.06
0.000
1.05
0.00 0.50 1.00 1.50 2.00 2.50 3.00 3.50 4.00 4.50 5.00
−10
25
60
95
VIN, INPUT VOLTAGE (V)
Figure 5. Output Voltage versus Input Voltage
(NCP3520)
TEMPERATURE (°C)
Figure 6. Run Mode Supply Current versus
Temperature
1.400
1.10
1.200
1.000
T = 0°C
0.800
0.600
0.400
T = 25°C
1.05
T = 100°C
0.200
0.000
0.00 0.50 1.00 1.50 2.00 2.50 3.00 3.50 4.00 4.50 5.00
VIN, INPUT VOLTAGE (V)
Figure 7. ICC versus Input Voltage (NCP3520)
1.0
0
1000
2000
ILOAD, (mA)
Figure 8. ICC versus ILOAD (05C, 255C, 1005C)
30
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5
5 Page |
Páginas | Total 10 Páginas | |
PDF Descargar | [ Datasheet NCP3520.PDF ] |
Número de pieza | Descripción | Fabricantes |
NCP3520 | (NCP3520 / NCP3521) LDO Regulator Controller | ON Semiconductor |
NCP3521 | (NCP3520 / NCP3521) LDO Regulator Controller | ON Semiconductor |
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