NCP584
Tri-Mode 200 mA CMOS
LDO Regulator with Enable
The NCP584 series of low drop out regulators are designed for
portable battery powered applications which require precise output
voltage accuracy, low quiescent current, and high ripple rejection.
These devices feature an enable function which lowers current
consumption significantly and are offered in the SOT23−5 package.
This series of devices have three modes. Chip Enable (CE mode),
Fast Transient Mode (FT mode), and Low Power Mode (LP mode).
Both the FT and LP mode are utilized via the ECO pin.
Features
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MARKING
DIAGRAM
5
1
SOT23−5
SN SUFFIX
CASE 1212
5
XXXTT
1
•
Tri−mode Operation
•
Low Dropout Voltage of 400 mV at 200 mA, Output Voltage = 0.9 V
•
•
•
•
•
•
•
•
•
•
300 mV at 200 mA, Output Voltage = 1.2 V
200 mV at 200 mA, Output Voltage = 1.8 V
Excellent Line Regulation of 0.05%/V (0.10% LP Mode)
Excellent Load Regulation of 10 mV (20 mV FT Mode)
High Output Voltage Accuracy of
±2%
(±3% LP mode)
Ultra−Low Iq Current of:
3.5
mA
(LP mode, Output Voltage
≤
1.5 V)
40
mA
(FT mode)
Very Low Shutdown Current of 0.1
mA
Excellent Power Supply Rejection Ratio of 75 dB at f = 1.0 kHz
Low Temperature Drift Coefficient on the Output Voltage of
"100
ppm/°C
Fold Back Protection Circuit
Input Voltage up to 6.5 V
These are Pb−Free Devices
XXX = Specific Device Code
TT = Traceability Information
ORDERING INFORMATION
See detailed ordering and shipping information in the package
dimensions section on page 13 of this data sheet.
*Additional voltage options may be available between
0.8 V and 3.3 V in 100 mV steps.
Typical Applications
•
Portable Equipment
•
Hand−Held Instrumentation
•
Camcorders and Cameras
ECO
V
in
V
out
V
in
ECO
V
out
-
+
V
ref
Current Limit
CE
GND CE
V
ref
-
+
Current Limit
GND
Figure 1. Simplified Block Diagram for Active Low
Figure 2. Simplified Block Diagram for Active High
©
Semiconductor Components Industries, LLC, 2010
February, 2010
−
Rev. 14
1
Publication Order Number:
NCP584/D
NCP584
PIN FUNCTION DESCRIPTION
SOT23−5
1
2
3
4
5
Pin Name
V
in
GND
CE or CE
ECO
Vout
Power supply input voltage.
Power supply ground.
Chip enable pin.
Mode alternative pin. (V
ECO
= V
in
for FT mode; V
ECO
= GND for LP mode)
Regulated output voltage.
Description
MAXIMUM RATINGS
Rating
Input Voltage
Input Voltage (CE or CE Pin)
Input Voltage (ECO Pin)
Output Voltage
Output Current
Power Dissipation
ESD Capability, Human Body Model, C = 100 pF, R = 1.5 kW
ESD Capability, Machine Model, C = 200 pF, R = 0
W
Operating Ambient Temperature Range
Maximum Junction Temperature
Storage Temperature Range
Symbol
V
in
V
CE
V
ECO
V
out
I
out
P
D
ESD
HBM
ESD
MM
T
A
T
J(max)
T
stg
Value
6.5
−0.3
to V
in
+0.3
−0.3
to V
in
+0.3
−0.3
to V
in
+0.3
250
250
1000
150
−40
to +85
125
−55
to +150
Unit
V
V
V
V
mA
mW
V
V
°C
°C
°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.
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NCP584
ELECTRICAL CHARACTERISTICS
(V
in
= V
out
+ 1.0 V, T
A
= 25°C, unless otherwise noted.)
Characteristic
Input Voltage
Output Voltage (1.0
mA
≤
I
out
≤
30 mA)
V
ECO
= V
in
V
ECO
= GND
Line Regulation (I
out
= 30 mA, V
out
+ 0.5 V
≤
V
in
≤
6.0 V)
FT Mode V
ECO
= V
in
LP Mode V
ECO
= GND
Load Regulation
FT Mode (1.0 mA
≤
I
out
≤
200 mA), V
ECO
= V
in
LP Mode (1.0 mA
≤
I
out
≤
100 mA), V
ECO
= GND
Dropout Voltage (I
out
= 200 mA)
V
out
= 0.9 V
1.2 V
v
V
out
v
1.5 V
1.8 V
v
V
out
v
2.5 V
2.6 V
v
V
out
v
3.3 V
Quiescent Current (I
out
= 0 mA)
FT Mode, V
ECO
= V
in
LP Mode, V
ECO
= GND
V
out
≤
1.5 V
V
out
≥
1.8 V
Output Current (V
in
−
V
out
= 0.5 V)
V
in
≥
1.5 V, V
out
= 0.9 V
Shutdown Current (V
CE
= V
in
)
Output Short Circuit Current (V
out
= 0 V)
Enable Input Threshold Voltage
High
Low
Ripple Rejection
(I
out
= 30 mA, V
out
= 0.9 V, V
in
−
V
out
= 1.0 V)
f = 120 Hz
f = 1.0 kHz
f = 10 kHz
Output Noise Voltage (BW = 10 Hz to 100 kHz
Output Voltage Temperature Coefficient
(I
out
= 30 mA,
−40°C
≤
T
A
≤
85°C)
Symbol
V
in
V
out
Min
1.4
V
out
x 0.980
V
out
x 0.970
−
−
−
−
−
−
−
−
−
−
−
I
out
I
SD
I
lim
Vth
enh
Vth
enl
RR
−
−
−
Vn
DV
out
/DT
−
−
75
75
65
30
"100
−
−
−
−
−
mVrms
ppm/°C
200
−
−
1.0
0
Typ
−
−
−
0.05
0.10
20
10
0.40
0.30
0.20
0.10
40
3.5
4.5
−
0.1
50
−
−
Max
6.0
V
out
x 1.020
V
out
x 1.030
%/V
0.20
0.30
mV
40
40
V
0.70
0.50
0.30
0.20
70
6.0
8.0
mA
−
1.0
−
V
in
0.3
dB
mA
mA
V
mA
Unit
V
V
Reg
line
Reg
load
V
DO
Iq
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NCP584
TYPICAL CHARACTERISTICS
1.0
OUTPUT VOLTAGE V
out
(V)
OUTPUT VOLTAGE V
out
(V)
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0
100
200
V
out
= V
out
nominal
ECO = H
300
400
V
in
= V
out
nominal +2.0 V
V
in
= V
out
nominal + V
DO
(max)
1.0
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
OUTPUT CURRENT I
out
(mA)
0
100
200
V
out
= V
out
nominal
ECO = L
300
400
V
in
= V
out
nominal + V
DO
(max)
V
in
= V
out
nominal +2.0 V
OUTPUT CURRENT I
out
(mA)
Figure 3. Output Voltage vs. Output Current
1.1
1.0
OUTPUT VOLTAGE V
out
(V)
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0.1
1.1
2.1
3.1
4.1
I
out
= 1.0 mA
I
out
= 30 mA
I
out
= 50 mA
V
out
= 0.9 V
ECO = H
5.1
6.1
OUTPUT VOLTAGE V
out
(V)
1.1
1.0
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0.1
Figure 4. Output Voltage vs. Output Current
I
out
= 1.0 mA
I
out
= 30 mA
I
out
= 50 mA
V
out
= 0.9 V
ECO = L
1.1
2.1
3.1
4.1
5.1
6.1
INPUT VOLTAGE V
in
(V)
INPUT VOLTAGE V
in
(V)
Figure 5. Output Voltage vs. Input Voltage
Figure 6. Output Voltage vs. Input Voltage
1.9
OUTPUT VOLTAGE V
out
(V)
OUTPUT VOLTAGE V
out
(V)
1.7
1.5
1.3
1.1
0.9
0.7
0.5
0.3
0.3
1.3
I
out
= 1.0 mA
I
out
= 30 mA
I
out
= 50 mA
2.3
3.3
4.3
V
out
= 1.8 V
ECO = H
5.3
6.3
1.9
1.7
1.5
1.3
1.1
0.9
0.7
0.5
0.3
0.3
1.3
I
out
= 1.0 mA
I
out
= 30 mA
I
out
= 50 mA
2.3
3.3
4.3
V
out
= 1.8 V
ECO = L
5.3
6.3
INPUT VOLTAGE V
in
(V)
INPUT VOLTAGE V
in
(V)
Figure 7. Output Voltage vs. Input Voltage
Figure 8. Output Voltage vs. Input Voltage
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NCP584
TYPICAL CHARACTERISTICS
70
QUIESCENT CURRENT, Iq (mA)
60
50
40
30
20
10
0
0.1
V
out
= 0.9 V
ECO = H
1.1
2.1
3.1
4.1
5.1
6.1
QUIESCENT CURRENT, Iq (mA)
8
7
6
5
4
3
2
1
0
0.1
1.1
2.1
3.1
4.1
V
out
= 0.9 V
ECO = L
5.1
6.1
INPUT VOLTAGE V
in
(V)
INPUT VOLTAGE V
in
(V)
Figure 9. Quiescent Current vs. Input Voltage
70
QUIESCENT CURRENT, Iq (mA)
60
50
40
30
20
10
0
0.3
V
out
= 1.8 V
ECO = H
1.3
2.3
3.3
4.3
5.3
6.3
SUPPLY CURRENT, I
supply
(mA)
8
7
6
5
4
3
2
1
Figure 10. Quiescent Current vs. Input Voltage
V
out
= 1.8 V
ECO = L
1.3
2.3
3.3
4.3
5.3
6.3
0
0.3
INPUT VOLTAGE V
in
(V)
INPUT VOLTAGE V
in
(V)
Figure 11. Quiescent Current vs. Input Voltage
Figure 12. Quiescent Current vs. Input Voltage
0.93
OUTPUT VOLTAGE, V
out
(V)
OUTPUT VOLTAGE, V
out
(V)
0.92
0.91
0.90
0.89
0.88
0.87
−50
V
out
= 0.9 V
ECO = H
−25
0
25
50
75
100
0.93
0.92
0.91
0.90
0.89
0.88
0.87
−50
V
out
= 0.9 V
ECO = L
−25
0
25
50
75
100
TEMPERATURE (°C)
TEMPERATURE (°C)
Figure 13. Output Voltage vs. Temperature
Figure 14. Output Voltage vs. Temperature
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