FP6146-31C8G [FITIPOWER]
300mA Low Noise High PSRR LDO with Shutdown;
| 型号： | FP6146-31C8G |
| 厂家： | 
Fitipower |
| 描述： | 300mA Low Noise High PSRR LDO with Shutdown |
| 文件： | 总17页 (文件大小：885K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
fitipower integrated technology lnc.
FP6146
300mA Low Noise High PSRR
LDO with Shutdown
Description
Features
The FP6146 is a low dropout, low noise, high PSRR,
very low quiescent current positive linear regulator.
The FP6146 can supply 200mA output current with
low dropout voltage at about 300mV that optimized
for battery-powered systems or portable wireless
devices such as mobile phones. The shutdown
function can provide remote control for the external
signal to decide the on/off state of FP6146 that
consumes less than 0.1µA during shutdown mode.
Low Dropout Voltage of 300mV at 200mA
Low 30μVrms Output Noise
Guaranteed 300mA Output Current
High Power Supply Rejection Ratio of 70dB at
10kHz
Very Low Quiescent Current at 35µA
Max. 2% Output Voltage Accuracy
Needs Only 1µF Capacitor for Stability
Fast Response in Line/Load Transient
Thermal Shutdown Protection
Current Limit Protection
Low-ESR Ceramic Capacitor for Output Stability
Miniature Packages:
SOT-23-3, SOT-23-5, TSOT-23-5, TDFN-6
(1.6mm×1.6mm), SC-82-4 and SC-70-5
RoHS Compliant
The FP6146 regulator is able to operate with output
capacitors as small as 1µF for stability. Other than
the current limit protection, FP6146 also offers the on
chip thermal shutdown feature providing protection
against overload or any condition when the ambient
temperature exceeds the maximum junction
temperature.
The FP6146 offers high precision output voltage of
Applications
Mobile Phones
Notebook, Sub-Notebook and Tablet Computers
DSC
2%. It is housed in low-profile, space-saving
SOT-23-3,
SOT-23-5,
TSOT-23-5,
TDFN-6
(1.6mm×1.6mm), SC-82-4 and SC-70-5 packages.
Portable Information Appliances
Battery Power Systems
Pin Assignments
Ordering Information
S5 Package (SOT-23-5)
FP6146-□□□□
NC
TR: Tape/Reel
VOUT
G: Green
5
1
4
3
Package Type
S3: SOT-23-3
2
S5: SOT-23-5
S8: TSOT-23-5
WD: TDFN-6 (1.6mm×1.6mm)
C8: SC-82-4
C5: SC-70-5
VIN GND SHDN
S3 Package (SOT-23-3)
Output Voltage
VIN
11: 1.1V 27: 2.7V
12: 1.2V 28: 2.8V
15: 1.5V 30: 3.0V
18: 1.8V 31: 3.1V
25: 2.5V 33: 3.3V
26: 2.6V 36: 3.6V
3
1
2
GND
VOUT
Note 1: Please consult Fitipower sales office or authorized
distributors for availability of special output voltages.
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FP6146
SOT-23-3 Marking
Part Number
S8 Package (TSOT-23-5)
Product
Code
Product
Code
Part Number
NC
VOUT
FP6146-12S3G
FB8
5
1
4
3
SOT-23-5 Marking
Part Number
Product
Code
Product
Code
Part Number
2
FP6146-11S5G
FP6146-12S5G
FP6146-15S5G
FP6146-18S5G
FP6146-25S5G
FP6146-26S5G
FH9
H2=
H3=
H4=
H5=
r5=
FP6146-27S5G
FP6146-28S5G
FP6146-30S5G
FP6146-31S5G
FP6146-33S5G
FP6146-36S5G
B6G
H6=
H7=
t3G
VIN GND SHDN
WD Package TDFN-6 (1.6mm×1.6mm)
H8=
a2G
1
2
3
6
5
4
VIN
VOUT
NC
TSOT-23-5 Marking
Product
Product
Code
Part Number
Part Number
GND
NC
Code
FP6146-12S8G
FP6146-15S8G
FP6146-18S8G
FP6146-25S8G
FP6146-26S8G
H9=
FP6146-28S8G
FP6146-30S8G
FP6146-31S8G
FP6146-33S8G
FP6146-36S8G
K3=
K4=
t4G
K5=
a3G
GND
SHDN
H0=
K1=
K2=
r6=
C8 Package (SC-82-4)
VIN
VOUT
TDFN-6 (1.6mm×1.6mm) Marking
Product
Product
Code
Part Number
Part Number
Code
4
1
3
2
FP6146-12WDG
FP6146-15WDG
FP6146-18WDG
FP6146-25WDG
FP6146-26WDG
f
FP6146-28WDG
FP6146-30WDG
FP6146-31WDG
FP6146-33WDG
FP6146-36WDG
m
n
g
r
h
i
k
GND
NC
SHDN
C5 Package (SC-70-5)
B-
s
SC-82-4 Marking
Part Number
Product
Code
Product
Code
VOUT
Part Number
FP6146-12C8G
FP6146-15C8G
FP6146-18C8G
FP6146-25C8G
FP6146-26C8G
T1=
T2=
T3=
T4=
r4=
FP6146-28C8G
FP6146-30C8G
FP6146-31C8G
FP6146-33C8G
FP6146-36C8G
T5=
T6=
t5G
T7=
a1G
5
1
4
3
2
VIN GND SHDN
SC-70-5 Marking
Part Number
Figure 1. Pin Assignment of FP6146
Product
Code
Product
Code
Part Number
FP6146-12C5G
FP6146-15C5G
FP6146-18C5G
FP6146-25C5G
a5G
a6G
a7G
a8G
FP6146-28C5G
FP6146-30C5G
FP6146-31C5G
FP6146-33C5G
A1G
A2G
A3G
A4G
FP6146-26C5G
a9G
FP6146-36C5G
A5G
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FP6146
Typical Application Circuit
VIN
VOUT
VIN
VOUT
COUT
1µF
CIN
1µF
GND
SHDN
FP6146
NC
VSHDN
Figure 2. Typical Application Circuit of FP6146
Note 2: To prevent oscillation, it is recommended to use minimum 1µF X7R or X5R dielectric capacitors if ceramics are used as
input/output capacitors.
Functional Pin Description
Pin Name
Pin Function
Power is supplied to this device from this pin which is required an input filter capacitor. In general, the input
capacitor in the range of 1µF to 10µF is sufficient.
VIN
The output supplies power to loads. The output capacitor is required to prevent output voltage from oscillation.
The FP6146 is stable with an output capacitor 1µF or greater. The larger output capacitor will be required for
application with larger load transients. The large output capacitor could reduce output noise, improve stability
and PSRR.
VOUT
NC
No connection
GND
ꢀꢁꢂ
Common ground pin
Pull this pin high to enable IC, Pull this pin low to shutdown IC. Floating this pin will be shutdown due to the
built-in pull-low resistor.
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FP6146
Block Diagram
RSEN
PMOS
VOUT
VIN
Current
Limit
R1
R2
Error
Amp
Power
Shutdown
SHDN
_
+
5MΩ
Thermal
Shutdown
Vref
GND
Figure 3. Block Diagram of FP6146
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FP6146
Absolute Maximum Ratings
+6V
● VIN, ꢀꢁꢂ to GND ---------------------------------------------------------------------------------------------
● Power Dissipation @TA =25ºC, (PD)
SOT-23-3 ------------------------------------------------------------------------------------------------- +0.4W
SOT-23-5 ------------------------------------------------------------------------------------------------- +0.4W
TSOT-23-5 ----------------------------------------------------------------------------------------------- +0.4W
TDFN-6 (1.6mm×1.6mm) ---------------------------------------------------------------------------- +0.63W
SC-82-4 -------------------------------------------------------------------------------------------------- +0.2W
SC-70-5 -------------------------------------------------------------------------------------------------- +0.3W
●ꢃPackageꢃThermalꢃResistance, (θJA)
SOT-23-3 -------------------------------------------------------------------------------------------------
SOT-23-5 -------------------------------------------------------------------------------------------------
+250ºC/W
+250ºC/W
TSOT-23-5 ----------------------------------------------------------------------------------------------- +250ºC/W
TDFN-6 (1.6mm×1.6mm) ---------------------------------------------------------------------------- +160ºC/W
SC-82-4 -------------------------------------------------------------------------------------------------- +500ºC/W
SC-70-5 -------------------------------------------------------------------------------------------------- +330ºC/W
● Maximum Junction Temperature (TJ) ------------------------------------------------------------------------ +150ºC
● Storage Temperature Range (TSTG) -------------------------------------------------------------------------- -65ºC to +150ºC
● Lead Temperature (Soldering, 10 sec.) (TLEAD) ------------------------------------------------------------ +260ºC
Note 3： tressesꢃbeyondꢃthoseꢃlistedꢃunderꢃ“AbsoluteꢃMaximumꢃRatings"ꢃmayꢃcauseꢃpermanentꢃdamageꢃtoꢃtheꢃdevice.
Recommended Operating Conditions
● Input Voltage (VIN) ------------------------------------------------------------------------------------------------ +2.0V to +5.5V
● Operating Temperature Range (TOPR) ----------------------------------------------------------------------- -40ºC to +85ºC
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FP6146
Electrical Characteristics
(VIN=VOUT+1V, ꢀꢁꢂ pin connected to VIN, CIN=1µF, COUT=1µF, TA=25ºC, unless otherwise specified)
Parameter
Current Limit
Symbol
ILIMIT
Conditions
Min
Typ
Max
Unit
mA
µA
µA
%
RLoad=1Ω
300
Quiescent Current
Standby Current
IQ
IOUT=0mA
35
60
1
ISTBY
0.1
ꢀꢁꢂ Pin Connected to GND
Output Voltage Accuracy
VOUT
IOUT=1mA
-2
+2
VOUT=1.2V
VOUT=1.5V
1100
910
750
500
270
230
1950
1600
1450
980
510
400
1
1300
1100
900
600
330
270
2300
1920
1750
1170
610
480
8
VOUT=1.8V
IOUT=150mA
VOUT=2.5V
VOUT=3.0V
VOUT=3.3V
VOUT=1.2V
VOUT=1.5V
Dropout Voltage (Note4)
VDROP
mV
VOUT=1.8V
IOUT=300mA
VOUT=2.5V
VOUT=3.0V
VOUT=3.3V
Line Regulation
IOUT=1mA, VIN=VOUT +1V to 5V
IOUT=0mA to 150mA
mV
mV
VLINE
VLOAD
PSRR
VNOISE
TC
Load Regulation (Note5)
Ripple Rejection (Note6)
Output Noise Voltage (Note6)
6
30
VIN=VOUT+1V,
fRIPPLE = 10kHz
70
dB
COUT=1μF,ꢃIOUT=0mA
30
μVRMS
ppm/ºC
Temperature Coefficient
(Note6)
IOUT=1mA, VIN=5V
100
145
25
TSD
ºC
ºC
MΩ
V
Thermal Shutdown Threshold
(Note6)
Hysteresis
TSD
R
5
ꢀꢁꢂ Pull-Low Resistance
ꢀꢁꢂ Pin Threshold
ꢀꢁꢂ
V
Start-up
1.0
ꢀꢁꢂ(ꢄꢂꢅ
V
Shutdown
0.4
V
ꢀꢁꢂ(ꢄFFꢅ
Note 4: The dropout voltage is defined as VIN-VOUT, which is measured when VOUT drops 2% of its normal value with the specified
output current.
Note 5: Load regulation and dropout voltage are measured at a constant junction temperature by using a 40ms low duty cycle current
pulse.
Note 6: Guarantee by design.
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FP6146
Typical Performance Curves
50
45
40
35
30
50
45
40
35
30
VOUT=2.8V
C =1uF
COUT=1uF
VOUT=1.8V
C =1uF
IN
IN
COUT=1uF
3.0
3.5
4.0
4.5
5.0
5.5
6.0
3.0
3.5
4.0
4.5
5.0
5.5
6.0
Input Voltage(V)
Input Voltage (V)
Figure 4. Quiescent Current vs. Input Voltage
Figure 5. Quiescent Current vs. Input Voltage
750
750
V =4V
VIN=4V
IN
VOUT=1.8V
VOUT=2.5V
CIN=COUT=1uF
700
650
600
550
500
450
700
650
600
550
500
450
C =COUT=1uF
IN
-25
0
25
50
75
100
125
-25
0
25
50
75
100
125
Temperature (0C)
Temperature (0C)
Figure 6. Current Limit vs. Temperature
Figure 7. Current Limit vs. Temperature
VIN=3.8V, VOUT=2.8V, IOUT=1mA to 100mA
VIN=2.8V, VOUT=1.8V, IOUT=1mA to 100mA
VOUT
VOUT
IOUT
IOUT
Figure 8. Load Transition Response
Figure 9. Load Transition Response
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FP6146
Typical Performance Curves (Continued)
VIN=4.3V, VOUT=3.3V, IOUT=1mA to 100mA
VIN=3.5V, VOUT=2.5V, IOUT=1mA to 100mA
VOUT
VOUT
IOUT
IOUT
Figure 10. Load Transition Response
Figure 11. Load Transition Response
VIN=3.8V, VOUT=2.8V, IOUT=0mA to 150mA
VIN=3.8V, VOUT=2.8V, IOUT=1mA to 150mA
VOUT
VOUT
IOUT
IOUT
Figure 12. Load Transition Response
Figure 13. Load Transition Response
VIN=4V, VOUT=2.8V, IOUT=100mA
VIN=4V, VOUT=2.8V, IOUT=100mA
VOUT
VOUT
ꢃ
ꢀꢁꢂ
ꢃ
ꢀꢁꢂ
Figure 14. Shutdown/Enable Test
Figure 15. Shutdown/Enable Test
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FP6146
Typical Performance Curves (Continued)
VIN=3V4V, VOUT=1.8V, IOUT=10mA
VIN=4V5V, VOUT=2.8V, IOUT=10mA
VIN
VIN
VOUT
VOUT
Figure 16. Line Transition Response
Figure 17. Line Transition Response
3.0
2.8
2.6
2.4
2.2
2.0
2.2
V =3.5V
VOUT=2.5V
V =2.8V
VOUT=1.8V
IN
IN
C =1uF
C =1uF
COUT=1uF
IN
IN
COUT=1uF
2.0
1.8
1.6
1.4
-40
-20
0
20
40
60
80
100
120
-40
-20
0
20
40
60
80
100
120
Temperature(0C)
Temperature(0C)
Figure 18. Output Voltage vs. Temperature
Figure 19. Output Voltage vs. Temperature
55
60
55
50
45
40
35
30
25
20
VIN=2.8V
VOUT=1.8V
CIN=1uF
V =3.5V
IN
VOUT=2.5V
CIN=1uF
50
COUT=1uF
COUT=1uF
45
40
35
30
25
20
-40
-20
0
20
40
60
80
100
120
-40
-20
0
20
40
60
80
100
120
Temperature (0C)
Temperature(0C)
Figure 20. Quiescent Current vs. Temperature
Figure 21. Quiescent Current vs. Temperature
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FP6146
Typical Performance Curves (Continued)
550
500
450
400
350
300
250
200
150
100
50
VOUT=2.8V
CIN=1uF
500
450
400
350
300
250
200
150
100
50
V
OUT=3.3V
CIN=1uF
OUT=1uF
Tj=850C
Tj=250C
Tj=850C
Tj=250C
COUT=1uF
C
Tj=-400C
Tj=-400C
0
0
0
30
60
90
120 150 180 210 240 270 300
0
30
60
90
120 150 180 210 240 270 300
Loading Current(mA)
Loading Current(mA)
Figure 22. VOUT=3.3V Dropout vs. Temperature
Figure 23. VOUT=2.8V Dropout vs. Temperature
-80
-80
-60
-60
V
C
=4V,V
=1.8V
VIN=4V,VOUT=2.8V
COUT=2.2uF,No Load
IN
OUT
=2.2uF, No Load
OUT
-40
-20
0
-40
-20
0
1
10
100
1000
10000
100000
1000000
1
10
100
1000
10000
100000
1000000
Frequency(Hz)
Frequency(Hz)
Figure 24. Power Supply Rejection Ratio vs. Frequency
Figure 25. Power Supply Rejection Ratio vs. Frequency
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FP6146
Application Information
2. Protection Features
The FP6146 is a low dropout linear regulator that
could provide 200mA output current at dropout
voltage about 300mV. Current limit and on chip
thermal shutdown features provide protection
against any combination of overload or ambient
temperature that could exceed maximum junction
temperature.
In order to prevent overloading or thermal condition
from damaging the device, FP6146 has internal
thermal and current limiting functions designed to
protect the device. It will rapidly shut off PMOS
pass element during over-temperature condition.
3. Thermal Consideration
1. Output and Input Capacitor
The power handling capability of the device will be
limited by allowable operation junction temperature
(125ºC). The power dissipated by the device will
be estimated by PD=IOUT(VIN-VOUT). The power
dissipation should be lower than the maximum
powerꢃ dissipationꢃ listedꢃ inꢃ “Absoluteꢃ Maximumꢃ
Ratings”ꢃsection.
The FP6146 regulator is designed to be stable with a
wide range of output capacitors. The ESR of the
output capacitor affects stability. Larger value of the
output capacitor decreases the peak deviations and
improves transient response for larger current
changes.
The capacitor types (aluminum, ceramic, and
tantalum) have different characterizations such as
temperature and voltage coefficients. All ceramic
capacitors are manufactured with a variety of
dielectrics, each with different behavior across
temperature and applications. Common dielectrics
used are X5R, X7R and Y5V. It is recommended to
use 1µF to 10µF X5R or X7R dielectric ceramic
capacitors with 30m to 50m ESR range between
4. Shutdown Operation
The FP6146 is shutdown by pulling the ꢀꢁꢂ
input low, and turned on by driving the ꢀꢁꢂ high.
If ꢀꢁꢂ pin floating, the FP6146 will shut down
because ꢀꢁꢂ pin has built-in a pull low resistor
(refer to Block Diagram).
device outputs and ground for stability.
The
FP6146 is designed to be stable with low ESR
ceramic capacitors and higher values of capacitors
and ESR could improve output stability. The ESR of
output capacitor is very important because it
generates a zero to provide phase lead for loop
stability.
There are no requirements for the ESR on the input
capacitor, but its voltage and temperature coefficient
have to be considered for device application
environment.
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FP6146
Outline Information
SOT-23-3 Package (Unit: mm)
DIMENSION IN MILLIMETER
SYMBOLS
UNIT
MIN
MAX
A
0.90
1.45
A1
A2
B
0.00
0.90
0.30
2.80
2.60
1.50
0.90
1.80
0.30
0.15
1.30
0.50
3.00
3.00
1.70
1.00
2.00
0.60
D
E
E1
e
e1
L
Carrier Dimensions
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FP6146
Outline Information (Continued)
SOT-23-5 Package (Unit: mm)
DIMENSION IN MILLIMETER
SYMBOLS
UNIT
MIN
MAX
A
0.90
1.45
A1
A2
B
0.00
0.90
0.30
2.80
2.60
1.50
0.90
1.80
0.30
0.15
1.30
0.50
3.00
3.00
1.70
1.00
2.00
0.60
D
E
E1
e
e1
L
Note：Followed From JEDEC MO-178-C.
Carrier Dimensions
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FP6146
Outline Information (Continued)
TSOT-23-5 Package (Unit: mm)
DIMENSION IN MILLIMETER
SYMBOLS
UNIT
MIN
MAX
A
0.70
0.90
A1
A2
B
0.00
0.70
0.30
2.80
2.60
1.50
0.90
1.80
0.30
0.10
1.00
0.50
3.00
3.00
1.70
1.00
2.00
0.60
D
E
E1
e
e1
L
Carrier Dimensions
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FP6146
Outline Information (Continued)
TDFN-6 (1.6mm×1.6mm) Package (Unit: mm)
DIMENSION IN MILLIMETER
SYMBOLS
UNIT
MIN
MAX
A
A1
A2
D
0.70
0.80
0.00
0.18
1.55
1.55
0.18
0.18
0.45
0.95
0.55
0.05
0.25
1.65
1.65
0.30
0.30
0.55
1.05
0.65
E
a
b
e
D1
E1
Carrier Dimensions
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FP6146
Outline Information (Continued)
SC-82-4 Package (Unit: mm)
DIMENSION IN MILLIMETER
SYMBOLS
UNIT
MIN
MAX
A
0.80
1.10
A1
A2
B
0.00
0.80
0.15
0.35
1.80
1.15
1.80
1.20
0.25
0.10
1.00
0.40
0.55
2.20
1.35
2.40
1.40
0.45
B1
D
E
E1
e
L
Carrier Dimensions
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FP6146
Outline Information (Continued)
SC-70-5 Package (Unit: mm)
DIMENSION IN MILLIMETER
SYMBOLS
UNIT
MIN
MAX
A
A1
A2
b
0.90
1.10
0.00
0.90
0.15
1.80
1.80
1.15
0.55
0.26
0.10
1.00
0.35
2.20
2.40
1.35
0.75
0.46
D
E1
E
e
L
Carrier Dimensions
Life Support Policy
Fitipower’sꢃproductsꢃareꢃnotꢃauthorizedꢃforꢃuseꢃasꢃcriticalꢃcomponentsꢃinꢃlifeꢃsupportꢃdevices or other medical systems.
FP6146-2.1-APR-2014
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SI9130LG-T1-E3
Pin-Programmable Dual Controller - Portable PCsWarning: Undefined variable $rtag in /www/wwwroot/website_ic37/www.icpdf.com/pdf/pdf/index.php on line 217
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SI9130_11
Pin-Programmable Dual Controller - Portable PCsWarning: Undefined variable $rtag in /www/wwwroot/website_ic37/www.icpdf.com/pdf/pdf/index.php on line 217
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SI9137
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SI9137DB
Multi-Output, Sequence Selectable Power-Supply Controller for Mobile ApplicationsWarning: Undefined variable $rtag in /www/wwwroot/website_ic37/www.icpdf.com/pdf/pdf/index.php on line 217
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Multi-Output, Sequence Selectable Power-Supply Controller for Mobile ApplicationsWarning: Undefined variable $rtag in /www/wwwroot/website_ic37/www.icpdf.com/pdf/pdf/index.php on line 217
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SI9122E
500-kHz Half-Bridge DC/DC Controller with Integrated Secondary Synchronous Rectification DriversWarning: Undefined variable $rtag in /www/wwwroot/website_ic37/www.icpdf.com/pdf/pdf/index.php on line 217
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