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NCP566ST18T3G

P1-P3P4-P6P7-P9P10-P10
© Semiconductor Components Industries, LLC, 2007
March, 2007 − Rev. 1
1 Publication Order Number:
NCP566/D
NCP566
1.5 A Low Dropout
Linear Regulator
The NCP566 low dropout linear regulator will provide 1.5 A at a
fixed output voltage. The fast loop response and low dropout voltage
make this regulator ideal for applications where low voltage and good
load transient response are important. Device protection includes
current limit, short circuit protection, and thermal shutdown.
Features
• Ultra Fast Transient Response (t1.0 ms)
• Low Ground Current (1.5 mA @ Iout = 1.5 A)
• Low Dropout Voltage (0.9 V @ Iout = 1.5 A)
• Low Noise (37 mVrms)
• 1.2 V, 1.8 V, 2.5 V Fixed Output Versions.
Other Fixed Voltages Available on Request
• Current Limit Protection
• Thermal Shutdown Protection
• These are Pb−Free Devices
Typical Applications
• Servers
• ASIC Power Supplies
• Post Regulation for Power Supplies
• Constant Current Source
• DTV
• LCD Monitors
• Networking Equipment
• Battery Powered Systems
• Motherboards
• Peripheral Cards
• Set Top Boxes
• Medical Equipment
• Notebook Computers
http://onsemi.com
See detailed ordering and shipping information in the package
dimensions section on page 9 of this data sheet.
ORDERING INFORMATION
MARKING
DIAGRAMS
xx = Voltage Rating
12 = 1.2 V
18 = 1.8 V
25 = 2.5 V
A = Assembly Location
Y = Year
M = Date Code
G = Pb−Free Package
1
AYM
566xx G
G
SOT−223
CASE 318E
(Note: Microdot may be in either location)
1
2
3
V
in
GND
V
out
GND
PIN CONNECTIONS
NCP566
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2
PIN DESCRIPTION
Pin No. Symbol Description
1 V
in
Positive Power Supply Input Voltage
2, Tab Ground Power Supply Ground
3 V
out
Regulated Output Voltage
MAXIMUM RATINGS
Rating Symbol Value Unit
Input Voltage (Note 1) V
in
9.0 V
Output Pin Voltage V
out
−0.3 to V
in
+ 0.3 V
Thermal Characteristics (Notes 2, 3)
Thermal Resistance, Junction−to−Ambient
Thermal Resistance, Junction−to−Pin
R
q
JA
R
q
JP
107
12
°C/W
Operating Junction Temperature Range T
J
−40 to 150 °C
Operating Ambient Temperature Range T
A
−40 to 125 °C
Storage Temperature Range T
stg
−55 to 150 °C
Stresses exceeding Maximum Ratings may damage the device. Maximum Ratings are stress ratings only. Functional operation above the
Recommended Operating Conditions is not implied. Extended exposure to stresses above the Recommended Operating Conditions may affect
device reliability.
1. This device series contains ESD protection and exceeds the following tests:
Human Body Model JESD 22−A114−B
Machine Model JESD 22−A115−A
2. The maximum package power dissipation is:
P
D
+
T
J(max)
* T
A
R
qJA
3. As measured using a copper heat spreading area of 50 mm
2
, 1 oz copper thickness.
Figure 1. Typical Schematic
Voltage
Reference
Block
V
ref
= 0.9 V
Output
Stage
C
in
C
out
V
out
GND
V
in
R1
R2
GND
C
in
− 4.7 mF to 150 mF recommended
C
out
− 2.2 mF to 150 mF recommended
See more details in Applications Information section
NCP566
http://onsemi.com
3
ELECTRICAL CHARACTERISTICS (V
in
=
V
out
+ 1.6 V, for typical values T
J
= 25°C, for min/max values T
J
= −40°C to +125°C,
(Note 4) unless otherwise noted.)
Characteristic
Symbol Min Typ Max Unit
Output Voltage (10 mA < I
out
< 1.5 A; 2.8 V < V
in
< 9.0 V; T
J
= −10 to 105°C)
1.2 V version
V
out
1.176
(−2%)
1.2 1.224
(+2%)
V
Output Voltage (10 mA < I
out
< 1.5 A; 2.8 V < V
in
< 9.0 V; T
J
= −40 to 125°C)
1.2 V version
V
out
1.164
(−3%)
1.2 1.236
(+3%)
V
Output Voltage (10 mA < I
out
< 1.5 A; 3.4 V < V
in
< 9.0 V; T
J
= −10 to 105°C)
1.8 V version
V
out
1.764
(−2%)
1.8 1.836
(+2%)
V
Output Voltage (10 mA < I
out
< 1.5 A; 3.4 V < V
in
< 9.0 V; T
J
= −40 to 125°C)
1.8 V version
V
out
1.746
(−3%)
1.8 1.854
(+3%)
V
Output Voltage (10 mA < I
out
< 1.5 A; 4.1 V < V
in
< 9.0 V; T
J
= −10 to 105°C)
2.5 V version
V
out
2.450
(−2%)
2.5 2.550
(+2%)
V
Output Voltage (10 mA < I
out
< 1.5 A; 4.1 V < V
in
< 9.0 V; T
J
= −40 to 125°C)
2.5 V version
V
out
2.425
(−3%)
2.5 2.575
(+3%)
V
Line Regulation (I
out
= 10 mA) Reg
line
− 0.02 − %
Load Regulation (10 mA < I
out
< 1.5 A) Reg
load
− 0.04 − %
Dropout Voltage (I
out
= 1.5 A) (Note 5) Vdo − 0.9 1.3 V
Current Limit I
lim
1.6 3.5 − A
Ripple Rejection (120 Hz; I
out
= 1.5 A) RR − 85 − dB
Ripple Rejection (1 kHz; I
out
= 1.5 A) RR − 75 − dB
Thermal Shutdown − 160 − °C
Ground Current (I
out
= 1.5 A) Iq − 1.5 3.0 mA
Output Noise Voltage (f = 100 Hz to 100 kHz, I
out
= 1.5 A) V
n
− 37 −
mVrms
4. Refer to Application Information section for capacitor details.
5. Dropout voltage is a measurement of the minimum input/output differential at full load.
P1-P3P4-P6P7-P9P10-P10

NCP566ST18T3G

Mfr. #:
Buy NCP566ST18T3G
Manufacturer:
ON Semiconductor
Description:
LDO Voltage Regulators 1.5A 1.8V LDO REG
Lifecycle:
New from this manufacturer.
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