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NCP4523G3T1

P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18P19-P21P22-P24
© Semiconductor Components Industries, LLC, 2005
September, 2005 − Rev. 6
1 Publication Order Number:
NCP4523/D
NCP4523
CMOS 3CH−LDOs
for RF Unit
The NCP4523 Series are multi voltage regulator ICs with high
output voltage accuracy, extremely low supply current, low noise, low
ON−resistance and high ripple rejection by CMOS process. The
NCP4523 Series contain three voltage regulators. Each of these
voltage regulators in the NCP4523 Series consists of a voltage
reference unit, an error amplifier, resistors for setting output voltage, a
current limit circuit and a chip enable circuit.
The chip enable function contributes to prolong battery life. Further,
regulators in the NCP4523 Series are with low dropout voltage,
excellent load transient response and line transient response, thus the
NCP4523 series are very suitable for the power supply for hand−held
communication equipment.
The output voltage of each regulator is fixed with high accuracy by
laser trim.
Since the package for these ICs is SSOP−8, high density mounting
of the ICs on boards is possible.
Features
• Ultra−Low Supply Current
• Low Standby Current
• Low Dropout Voltage
• High Ripple Rejection, Typical 70 dB (f = 1.0 kHz)
• High Output Voltage Accuracy, "2.0%
• Excellent Load Transient Response and Line Transient Response
• Small Package 8−Pin SSOP
• Maximum Input Voltage 6.0 V
• Pb−Free Packages are Available
Applications
• Power Source for Cellular Phones such as GSM, CDMA and
Personal Handy−Phone System
• Power Source for Electrical Appliances such as Cameras, VCRs,
Camcorders, etc.
• Power Source for Battery−Powered Equipment
SSOP−8
G SUFFIX
CASE 487
See detailed ordering and shipping information in the package
dimensions section on page 22 of this data sheet.
ORDERING INFORMATION
MARKING
DIAGRAM
xxxx = Product Code
yy = Lot Number
1
8
xxx
xyy
1
8
PIN ASSIGNMENT
1
2
3
4
8
7
6
5
See general marking information in the device marking
section on page 22 of this data sheet.
DEVICE MARKING INFORMATION
SSOP−8
(Top View)
V
OUT1
V
OUT2
V
OUT3
GND
V
DD
CE1
CE2
CE3
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NCP4523
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2
PIN DESCRIPTION
Pin Number
Symbol Description
NCP4523G
SSOP−8
1 V
OUT1
Output Pin
2 V
OUT2
Output Pin
3 V
OUT3
Output Pin
4 GND Ground Pin
5 CE3 Chip Enable Pin
6 CE2 Chip Enable Pin
7 CE1 Chip Enable Pin
8 V
DD
Input Pin
ABSOLUTE MAXIMUM RATINGS
Rating Symbol Value Unit
Input Voltage V
IN
7.0 V
Input Voltage (CE Pin) CE −0.3 X V
IN
+ 0.3 V
Output Voltage V
OUT
−0.3 X V
IN
+ 0.3 V
Output Current (V
OUT1
) I
OUT1
200 mA
Output Current (V
OUT2
) I
OUT2
100 mA
Output Current (V
OUT3
) I
OUT3
100 mA
Power Dissipation P
D
300 mW
Operating Temperature Range T
opt
−40 X 85 °C
Storage Temperature Range T
stg
−55 X 125 °C
Electrostatic Discharge Sensitivity (ESD)
Human Body Model (HBM)
Machine Model (MM)
ESD
2000
200
V
Maximum ratings are those values beyond which device damage can occur. Maximum ratings applied to the device are individual stress limit
values (not normal operating conditions) and are not valid simultaneously. If these limits are exceeded, device functional operation is not implied,
damage may occur and reliability may be affected.
NCP4523
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3
ELECTRICAL CHARACTERISTICS
VR1 (T
opt
= 25°C)
Characteristics
Conditions Symbol Min Typ Max Unit
Output Voltage V
IN
− V
OUT
= 1.0 V
1.0 mA v I
OUT
v 30 mA
V
OUT
0.98 − 1.02 V
Output Current V
IN
− V
OUT
= 1.0 V I
OUT
150 − − mA
Load Regulation V
IN
− V
OUT
= 1.0 V
1.0 mA v I
OUT
v 80 mA
DV
OUT
/DI
OUT
− 12 40 mV
Dropout Voltage Refer to Electrical Characteristic
by Output Voltage (VR1)
V
DIF
− − − −
Supply Current V
IN
− V
OUT
= 1.0 V I
SS
− 70 120
mA
Supply Current (Standby) V
IN
− V
OUT
= 1.0 V
V
CE
= GND
Istandby − 0.1 1.0
mA
Line Regulation V
OUT
+ 0.5 V v V
IN
v 6.0 V
I
OUT
= 30 mA
DV
OUT
/DV
IN
− 0.05 0.20 %/V
Ripple Rejection f = 1.0 kHz, sinusoidal 0.5 Vp−p
V
IN
− V
OUT
= 1.0 V
RR − 70 − dB
Input Voltage − V
IN
− − 6.0 V
Output Voltage Temperature
Coefficient
I
OUT
= 50 mA
−40°C v T
opt
v 85°C
DV
OUT
/DT
− "100 − ppm/
°C
Short Current Limit V
OUT
= 0 V I
LIM
− 50 − mA
CE Pull−down Resistance − R
DN
2.5 5.0 10
MW
CE Input Voltage “H’’ − V
CEH
1.5 − V
IN
V
CE Input Voltage “L’’ − V
CEL
0.00 − 0.25 V
Output Noise BW = 10 Hz − 100 kHz en − 60 −
mVrms
ELECTRICAL CHARACTERISTICS BY OUTPUT VOLTAGE (VR1)
Output Voltage
V
OUT
(V)
Dropout Voltage V
DIF
(V)
Condition Typ Max
2.0 v V
OUT
v 2.4
I
OUT
= 150 mA
0.35 0.55
2.5 v V
OUT
v 2.7 0.30 0.45
2.8 v V
OUT
v 3.3 0.22 0.35
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NCP4523G3T1

Mfr. #:
Buy NCP4523G3T1
Manufacturer:
ON Semiconductor
Description:
IC REG CONV RF UNIT 3OUT 8SSOP
Lifecycle:
New from this manufacturer.
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