NCP154
Dual 300 mA, Low I
Q
, Low
Dropout, Dual Input Voltage
Regulator
The NCP154 is 300 mA, Dual Output Linear Voltage Regulator that
offers two independent input pins and provides a very stable and
accurate voltage with ultra low noise and very high Power Supply
Rejection Ratio (PSRR) suitable for RF applications. The device
doesn’t require any additional noise bypass capacitor to achieve ultra
low noise performance. In order to optimize performance for battery
operated portable applications, the NCP154 employs the Adaptive
Ground Current Feature for low ground current consumption during
light-load conditions.
Features
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XDFN8, 1.2x1.6
CASE 711AS
PIN CONNECTIONS
•
Operating Input Voltage Range: 1.9 V to 5.25 V
•
Two Independent Input Voltage Pins
•
Two Independent Output Voltage (for detail please refer to Ordering
•
•
•
•
•
•
•
•
Information)
Low IQ of typ. 55
mA
per Channel
High PSRR: 75 dB at 1 kHz
Very Low Dropout: 140 mV Typical at 300 mA
Thermal Shutdown and Current Limit Protections
Stable with a 1
mF
Ceramic Output Capacitor
Available in XDFN8 1.2
×
1.6 mm Package
Active Output Discharge for Fast Output Turn-Off
These are Pb-free Devices
GND
OUT1
OUT2
1
2
EP
3
8
EN1
7
6
5
IN1
IN2
EN2
GND
4
XDFN8
(Top View)
Typical Applications
MARKING DIAGRAM
XM
G
X
M
G
= Specific Device Code
= Date Code
= Pb−Free Package
•
Smartphones, Tablets
•
Wireless Handsets, Wireless LAN, Bluetooth
®
, ZigBee
®
Interfaces
•
Other Battery Powered Applications
V
IN1
IN1
V
IN2
IN2
NCP154
V
OUT1
OUT1
OUT2
EN1
V
OUT2
ORDERING INFORMATION
See detailed ordering, marking and shipping information in the
package dimensions section on page 17 of this data sheet.
C
IN1
1
mF
C
IN2
1
mF
EN2
GND
C
OUT2
1
mF
C
OUT1
1
mF
Figure 1. Typical Application Schematic
©
Semiconductor Components Industries, LLC, 2015
1
January, 2015 − Rev. 2
Publication Order Number:
NCP154/D
NCP154
IN1
ENABLE
LOGIC
EN1
THERMAL
SHUTDOWN
BANDGAP
REFERENCE
MOSFET
DRIVER WITH
CURRENT LIMIT
OUT1
ACTIVE
DISCHARGE
EN1
GND
IN2
ENABLE
LOGIC
EN2
THERMAL
SHUTDOWN
BANDGAP
REFERENCE
MOSFET
DRIVER WITH
CURRENT LIMIT
OUT2
ACTIVE
DISCHARGE
EN2
GND
Figure 2. Simplified Schematic Block Diagram
Table 1. PIN FUNCTION DESCRIPTION
Pin No.
1
2
3
4
5
6
7
8
−
Pin Name
GND
OUT1
OUT2
GND
EN2
IN2
IN1
EN1
EP
Description
Power supply ground. Soldered to the copper plane allows for effective heat dissipation.
Regulated output voltage of the first channel. A small 1
mF
ceramic capacitor is needed from this pin to
ground to assure stability.
Regulated output voltage of the second channel. A small 1
mF
ceramic capacitor is needed from this pin to
ground to assure stability.
Power supply ground. Soldered to the copper plane allows for effective heat dissipation.
Driving EN2 over 0.9 V turns-on OUT2. Driving EN below 0.4 V turns-off the OUT2 and activates the active
discharge.
Inputs pin for second channel. It is recommended to connect 1
mF
ceramic capacitor close to the device pin.
Inputs pin for first channel. It is recommended to connect 1
mF
ceramic capacitor close to the device pin.
Driving EN1 over 0.9 V turns-on OUT1. Driving EN below 0.4 V turns-off the OUT1 and activates the active
discharge.
Exposed pad must be tied to ground. Soldered to the copper plane allows for effective thermal dissipation.
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2
NCP154
Table 2. ABSOLUTE MAXIMUM RATINGS
Rating
Input Voltage (Note 1)
Output Voltage
Enable Inputs
Output Short Circuit Duration
Maximum Junction Temperature
Storage Temperature
ESD Capability, Human Body Model (Note 2)
ESD Capability, Machine Model (Note 2)
Symbol
V
IN1
, V
IN2
V
OUT1
, V
OUT2
V
EN1
, V
EN2
t
SC
T
J(MAX)
T
STG
ESD
HBM
ESD
MM
Value
−0.3 V to 6 V
−0.3 V to V
IN
+ 0.3 V or 6 V
−0.3 V to V
IN
+ 0.3 V or 6 V
Indefinite
150
−55 to 150
2,000
200
Unit
V
V
V
s
°C
°C
V
V
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. Refer to ELECTRICAL CHARACTERISTIS and APPLICATION INFORMATION for Safe Operating Area.
2. This device series incorporates ESD protection and is tested by the following methods:
ESD Human Body Model tested per AEC−Q100−002 (EIA/JESD22−A114)
ESD Machine Model tested per AEC−Q100−003 (EIA/JESD22−A115)
Latchup Current Maximum Rating tested per JEDEC standard: JESD78.
Table 3. THERMAL CHARACTERISTICS
(Note 3)
Rating
Thermal Characteristics, XDFN8 1.2
×
1.6 mm,
Thermal Resistance, Junction-to-Air
3. Single component mounted on 1 oz, FR4 PCB with 645 mm
2
Cu area.
Symbol
q
JA
Value
160
Unit
°C/W
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NCP154
Table 4. ELECTRICAL CHARACTERISTICS
(−40°C
≤
T
J
≤
85°C; V
IN
= V
OUT(NOM)
+ 1 V or 2.5 V, whichever is greater; V
EN
= 0.9 V, I
OUT
= 1 mA, C
IN
= C
OUT
= 1
mF.
Typical values are at T
J
= +25°C. Min/Max values are specified for T
J
= −40°C and T
J
= 85°C respectively.) (Note 4)
Parameter
Operating Input Voltage
Output Voltage Accuracy
Line Regulation
Load Regulation
−40°C
≤
T
J
≤
85°C
V
OUT
+ 0.5 V
≤
V
IN
≤
5 V
I
OUT
= 1 mA to 300 mA
V
OUT(nom)
= 1.5 V
V
OUT(nom)
= 1.8 V
Dropout Voltage (Note 5)
I
OUT
= 300 mA
V
OUT(nom)
= 2.7 V
V
OUT(nom)
= 2.8 V
V
OUT(nom)
= 3.0 V
V
OUT(nom)
= 3.3 V
Output Current Limit
Quiescent Current
Shutdown current (Note 6)
EN Pin Threshold Voltage
High Threshold
Low Threshold
EN Pin Input Current
Power Supply Rejection Ratio
Output Noise Voltage
Active Discharge Resistance
Thermal Shutdown Temperature
Thermal Shutdown Hysteresis
V
OUT
= 90% V
OUT(nom)
I
OUT
= 0 mA, EN1=V
IN
, EN2=0V or EN2=V
IN
, EN1=0V
I
OUT1
= I
OUT2
= 0 mA, V
EN1
= V
EN2
= V
IN
V
EN
≤
0.4 V, V
IN
= 5.25 V
V
EN
Voltage increasing
V
EN
Voltage decreasing
V
EN
= V
IN
= 5.25 V
V
IN
= V
OUT+
1 V for V
OUT
> 2 V, V
IN
= 2.5 V,
for V
OUT
≤
2 V, I
OUT
= 10 mA
f = 10 Hz to 100 kHz
V
IN
= 4 V, V
EN
< 0.4 V
Temperature increasing from T
J
= +25°C
Temperature falling from T
SD
f = 1 kHz
I
CL
I
Q
I
Q
I
DIS
V
EN_HI
V
EN_LO
I
EN
PSRR
V
N
R
DIS
T
SD
T
SDH
−
0.9
0.4
0.3
75
75
50
160
20
−
1.0
mA
dB
mV
rms
W
°C
°C
V
DO
V
OUT
> 2 V
V
OUT
≤
2 V
Test Conditions
Symbol
V
IN
V
OUT
Reg
LINE
Reg
LOAD
Min
1.9
−2
−60
0.02
15
360
335
165
160
150
140
400
55
110
0.1
100
200
1
Typ
Max
5.25
+2
+60
0.1
40
470
390
275
270
260
250
Unit
V
%
mV
%/V
mV
mV
mV
mV
mV
mV
mV
mA
mA
mA
mA
V
Product parametric performance is indicated in the Electrical Characteristics for the listed test conditions, unless otherwise noted. Product
performance may not be indicated by the Electrical Characteristics if operated under different conditions.
4. Performance guaranteed over the indicated operating temperature range by design and/or characterization. Production tested at
T
J
= T
A
= 25°C. Low duty cycle pulse techniques are used during testing to maintain the junction temperature as close to ambient as possible.
5. Characterized when V
OUT
falls 100 mV below the regulated voltage at V
IN
= V
OUT(NOM)
+ 1 V.
6. Shutdown Current is the current flowing into the IN pin when the device is in the disable state.
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NCP154
TYPICAL CHARACTERISTICS
1.05
V
OUT
, OUTPUT VOLTAGE (V)
V
OUT
, OUTPUT VOLTAGE (V)
1.04
1.03
1.02
1.01
1.00
0.99
0.98
0.97
0.96
0.95
−40 −25
V
IN
= 2.5 V
V
OUT
= 1.0 V
C
IN
= C
OUT
= 1
mF
−10
5
20
35
50
65
80
95
I
OUT
= 1 mA
I
OUT
= 300 mA
1.85
1.84
1.83
1.82
1.81
1.80
1.79
1.78
1.77
1.76
1.75
−40 −25
V
IN
= 2.8 V
V
OUT
= 1.8 V
C
IN
= C
OUT
= 1
mF
−10
5
20
35
50
65
80
95
I
OUT
= 1 mA
I
OUT
= 300 mA
T
J
, JUNCTION TEMPERATURE (°C)
T
J
, JUNCTION TEMPERATURE (°C)
Figure 3. Output Voltage vs. Temperature –
V
OUT
= 1.0 V
2.85
V
OUT
, OUTPUT VOLTAGE (V)
V
OUT
, OUTPUT VOLTAGE (V)
2.84
2.83
2.82
2.81
2.80
2.79
2.78
2.77
2.76
2.75
−40 −25
V
IN
= 3.8 V
V
OUT
= 2.8 V
C
IN
= C
OUT
= 1
mF
−10
5
20
35
50
65
80
95
I
OUT
= 300 mA
I
OUT
= 1 mA
3.35
3.34
3.33
3.32
3.31
3.30
3.29
3.28
3.27
Figure 4. Output Voltage vs. Temperature –
V
OUT
= 1.0 V
I
OUT
= 1 mA
I
OUT
= 300 mA
3.26
3.25
−40 −25
V
IN
= 4.3 V
V
OUT
= 3.3 V
C
IN
= C
OUT
= 1
mF
−10
5
20
35
50
65
80
95
T
J
, JUNCTION TEMPERATURE (°C)
T
J
, JUNCTION TEMPERATURE (°C)
Figure 5. Output Voltage vs. Temperature –
V
OUT
= 1.0 V
600
T
J
= 85°C
T
J
= 25°C
I
Q
, QUIESCENT CURRENT (mA)
I
GND
, GROUND CURRENT (mA)
540
480
420
360
300
240
180
120
60
0
0
30
60
90
120 150 180 210 240 270 300
I
OUT
, OUTPUT CURRENT (mA)
T
J
= −40°C
V
IN
= 4.3 V
V
OUT
= 3.3 V
C
IN
= C
OUT
= 1
mF
60
54
48
42
36
30
24
18
12
6
0
0
Figure 6. Output Voltage vs. Temperature –
V
OUT
= 1.0 V
85°C
−40°C
25°C
V
IN
= 4.3 V
V
OUT
= 3.3 V
C
IN
= C
OUT
= 1
mF
0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5
V
IN
, INPUT VOLTAGE (V)
Figure 7. Ground Current vs. Output Current
Figure 8. Quiescent Current vs. Input Voltage
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