NCP553, NCV553
80 mA CMOS Low Iq
NOCAPE Voltage Regulator
This series of fixed output NOCAP linear regulators are designed
for handheld communication equipment and portable battery powered
applications which require low quiescent. This series features an
ultra−low quiescent current of 2.8
mA.
Each device contains a voltage
reference unit, an error amplifier, a PMOS power transistor, resistors
for setting output voltage, current limit, and temperature limit
protection circuits.
These voltage regulators have been designed to be used with low
cost ceramic capacitors. The devices have the ability to operate
without an output capacitor. The devices are housed in the
micro−miniature SC82−AB surface mount package. Standard voltage
versions are 1.5, 1.8, 2.5, 2.7, 2.8, 3.0, 3.3, and 5.0 V. Other voltages
are available in 100 mV steps.
Features
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SC82−AB (SC70−4)
SQ SUFFIX
CASE 419C
PIN CONNECTIONS &
MARKING DIAGRAMS
•
•
•
•
Low Quiescent Current of 2.8
mA
Typical
Low Output Voltage Option
Output Voltage Accuracy of 2.0%
Industrial Temperature Range of
−40°C
to 85°C
(NCV553, T
A
=
−40°C
to +125°C)
•
These are Pb−Free Devices
•
NCV Prefix for Automotive and Other Applications Requiring
Unique Site and Control Change Requirements; AEC−Q100
Qualified and PPAP Capable
Typical Applications
GND 1
xxxMG
G
4 N/C
V
in
2
3 V
out
(NCP553, NCV553 Top View)
xxx = Device Code
M = Date Code*
G
= Pb−Free Package
(Note: Microdot may be in either location)
*Date Code orientation and/or position may
vary depending upon manufacturing location.
•
Battery Powered Consumer Products
•
Hand−Held Instruments
•
Camcorders and Cameras
GND
Input
C1
+
N/C
Output
+
C2
ORDERING INFORMATION
See detailed ordering and shipping information in the package
dimensions section on page 7 of this data sheet.
V
in
V
out
This device contains 32 active transistors
Figure 1. Typical Application Diagram
©
Semiconductor Components Industries, LLC, 2016
November, 2016
−
Rev. 5
1
Publication Order Number:
NCP553/D
NCP553, NCV553
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PIN FUNCTION DESCRIPTION
Pin
1
2
3
Pin Name
GND
Vin
Description
Power supply ground.
Positive power supply input voltage.
Regulated output voltage.
Vout
−
4
Enable
N/C
This input is used to place the device into low−power standby. When this input is pulled low, the device
is disabled. If this function is not used, Enable should be connected to Vin.
No internal connection.
MAXIMUM RATINGS
Input Voltage
Rating
Symbol
V
in
Value
12
Unit
V
V
Output Voltage
V
out
−0.3
to V
in
+0.3
Power Dissipation and Thermal Characteristics
Power Dissipation
Thermal Resistance, Junction−to−Ambient
Operating Junction Temperature
Operating Ambient Temperature
NCP553
NCV553
Storage Temperature
P
D
R
qJA
T
J
T
A
Internally Limited
400
+125
W
°C/W
°C
°C
−40
to +85
−40
to +125
T
stg
−55
to +150
°C
Stresses exceeding those listed in the Maximum Ratings table may damage the device. If any of these limits are exceeded, device functionality
should not be assumed, damage may occur and reliability may be affected.
1. This device series contains ESD protection and exceeds the following tests:
Human Body Model 2000 V per MIL−STD−883, Method 3015
Machine Model Method 200 V
2. Latch up capability (85°C)
±200
mA DC with trigger voltage.
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2
NCP553, NCV553
ELECTRICAL CHARACTERISTICS
(V
in
= V
out(nom.)
+ 1.0 V, V
enable
= V
in
, C
in
= 1.0
mF,
C
out
= 1.0
mF,
T
J
= 25°C, unless otherwise noted.)
Characteristic
Output Voltage (T
A
= 25°C, I
out
= 10 mA)
1.5 V
1.8 V
2.5 V
2.7 V
2.8 V
3.0 V
3.3 V
5.0 V
Output Voltage (T
A
=
−40°C
to 85°C, I
out
= 10 mA)
1.5 V
1.8 V
2.5 V
2.7 V
2.8 V
3.0 V
3.3 V
5.0 V
Output Voltage (T
A
=
−40°C,
I
out
= 10 mA)
NCV553
−5.0
V
Output Voltage (T
A
= +125°C, I
out
= 10 mA)
NCV553
−5.0
V
Line Regulation (V
in
= V
out
+ 1.0 V to 12 V, I
out
= 10 mA)
Load Regulation (I
out
= 1.0 mA to 80 mA, V
in
= V
out
+ 2.0 V)
Output Current (V
out
= (V
out
at I
out
= 80 mA)
−3.0%)
1.5 V−3.9 V (V
in
= V
out(nom.)
+ 2.0 V)
4.0 V−5.0 V (V
in
= 6.0 V)
Dropout Voltage (T
A
=
−40°C
to 125°C, I
out
= 80 mA, Measured at
V
out
−3.0%)
1.5 V
1.8 V
2.5 V
2.7 V
2.8 V
3.0 V
3.3 V
5.0 V
Quiescent Current
(Enable Input = 0 V)
(Enable Input = V
in
, I
out
= 1.0 mA to I
o(nom.)
, V
in
= V
out
+2.0 V)
Output Short Circuit Current (V
out
= 0 V)
1.5 V−3.9 V (V
in
= V
out(nom.)
+ 2.0 V)
4.0 V−5.0 V (V
in
= 6.0 V)
Output Voltage Noise (f = 20 Hz to 100 kHz, I
out
= 10 mA)
(C
out
= 1.0
mF)
Output Voltage Temperature Coefficient
3. Maximum package power dissipation limits must be observed.
T
*T
A
PD
+
J(max)
R
qJA
4. Low duty cycle pulse techniques are used during testing to maintain the junction temperature as close to ambient as possible.
Symbol
V
out
Min
1.455
1.746
2.425
2.646
2.744
2.94
3.234
4.900
1.455
1.746
2.425
2.619
2.716
2.910
3.201
4.900
4.900
4.850
−
−
80
80
Typ
1.5
1.8
2.5
2.7
2.8
3.0
3.3
5.0
1.5
1.8
2.5
2.7
2.8
3.0
3.3
5.0
5.0
5.0
2.0
0.3
180
180
Max
1.545
1.854
2.575
2.754
2.856
3.06
3.366
5.100
1.545
1.854
2.575
2.781
2.884
3.09
3.399
5.100
5.100
5.150
4.5
0.8
−
−
Unit
V
V
out
V
V
out
V
out
Reg
line
Reg
load
I
o(nom.)
V
V
mV/V
mV/mA
mA
V
in
−V
out
−
−
−
−
−
−
−
−
I
Q
−
−
100
100
−
−
1300
1100
800
750
730
680
650
470
0.1
2.8
300
300
90
"100
1800
1600
1400
1200
1200
1000
1000
800
1.0
6.0
450
450
−
−
mV
mA
I
out(max)
mA
V
n
T
C
mVrms
ppm/°C
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NCP553, NCV553
DEFINITIONS
Load Regulation
Line Regulation
The change in output voltage for a change in output
current at a constant temperature.
Dropout Voltage
The input/output differential at which the regulator output
no longer maintains regulation against further reductions in
input voltage. Measured when the output drops 3.0% below
its nominal. The junction temperature, load current, and
minimum input supply requirements affect the dropout level.
Maximum Power Dissipation
The change in output voltage for a change in input voltage.
The measurement is made under conditions of low
dissipation or by using pulse technique such that the average
chip temperature is not significantly affected.
Line Transient Response
Typical over and undershoot response when input voltage
is excited with a given slope.
Thermal Protection
The maximum total dissipation for which the regulator
will operate within its specifications.
Quiescent Current
The quiescent current is the current which flows through
the ground when the LDO operates without a load on its
output: internal IC operation, bias, etc. When the LDO
becomes loaded, this term is called the Ground current. It is
actually the difference between the input current (measured
through the LDO input pin) and the output current.
Internal thermal shutdown circuitry is provided to protect
the integrated circuit in the event that the maximum junction
temperature is exceeded. When activated at typically 160°C,
the regulator turns off. This feature is provided to prevent
failures from accidental overheating.
Maximum Package Power Dissipation
The maximum power package dissipation is the power
dissipation level at which the junction temperature reaches
its maximum operating value, i.e. 125°C. Depending on the
ambient power dissipation and thus the maximum available
output current.
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NCP553, NCV553
TYPICAL CHARACTERISTICS
V
in
−
V
out
, DROPOUT VOLTAGE (VOLTS)
1
V
out
, OUTPUT VOLTAGE (VOLTS)
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0
−50
−25
0
25
50
75
100
125
40 mA
80 mA
V
out(nom.)
= 3.0 V
3.03
V
out(nom.)
= 3.3 V
3.025 I
out
= 5 mA
3.02
3.015
3.01
3.005
3
−60
V
in
= 4 V
V
in
= 12 V
−40
−20
0
20
40
60
80
100
TEMPERATURE (_C)
TEMPERATURE (_C)
Figure 2. Dropout Voltage versus Temperature
Figure 3. Output Voltage versus Temperature
3.25
I
q
, QUIESCENT CURRENT (mA)
3
2.75
2.5
2.25
2
1.75
−60
I
q
, QUIESCENT CURRENT (mA)
I
out
= 0 mA
V
in
= 4 V
4.5
4
3.5
3
2.5
2
1.5
1
0.5
0
0
V
out(nom.)
= 3 V
I
out
= 0 mA
−40
−20
0
20
40
60
80
100
2
4
6
8
10
12
TEMPERATURE (_C)
V
in
, INPUT VOLTAGE (VOLTS)
Figure 4. Quiescent Current versus Temperature
Figure 5. Quiescent Current versus Input Voltage
V
in
, INPUT
VOLTAGE (V)
4
3.5
OUTPUT NOISE (mV/ Hz)
3
2.5
2
1.5
1
0.5
0
10
100
1000
10000
100000
50 mA
10 mA
6
5
4
200
100
0
−100
I
out
= 1 mA
C
out
= 1
mF
OUTPUT VOLTAGE
DEVIATION (mV)
1000000
0
0.5
1
1.5
2
2.5
3
3.5
4
4.5
FREQUENCY (Hz)
TIME (ms)
Figure 6. Output Noise Density
Figure 7. Line Transient Response
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