FP6121-HS6P [FITIPOWER]
300mA, High PSRR, Dual Output Low-Dropout Regulator;
| 型号： | FP6121-HS6P |
| 厂家： | 
Fitipower |
| 描述： | 300mA, High PSRR, Dual Output Low-Dropout Regulator |
| 文件： | 总12页 (文件大小：732K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
fitipower integrated technology lnc.
FP6121
300mA, High PSRR, Dual Output
Low-Dropout Regulator
Description
Features
The FP6121 is a dual output, low dropout, high
PSRR, low quiescent current linear regulators. The
FP6121 can supply 200mA output current with a
lower dropout voltage about 300mV for each
channel.
Low Dropout Voltage: 300mV at IOUT=200mA
Guaranteed 300mA Output Current Per Channel
Very Low Quiescent Current: 25μA
High Power Supply Rejection Ratio: 70dB at
10kHz
Highly Accurate: 2%
The FP6121 is suitable for portable and wireless
application such as mobile phone and portable
hand-sets. The FP6121 is designed and optimized
to work with low-value, low cost ceramic capacitors.
The FP6121 consumes less than 0.1μA during
shutdown mode which is independent for each
Needs Only 1µF Ceramic Capacitor for Stability
Thermal Shutdown and Current Limiting
Protection
Tiny SOT-23-6, TSOT-23-6 and TDFN-6
Packages
RoHS Compliant
channel,
allowing for flexibility in power
management. Besides its current limit protection
and on chip thermal shutdown features provide
protection against any combination of overload or
ambient temperature that could exceed junction
temperature.
Applications
Mobile Phone
Portable or Wireless Instrument
Camera
PDA and Notebook Computer
The FP6121 doesn’t need external bypass capacitor
and still could get better noise performance. The
tiny SOT-23-6, TSOT-23-6 and TDFN-6 packages
are attractive for hand-held applications.
Pin Assignment
Ordering Information
S6 Package (SOT-23-6)
FP6121-□□□□
GND VOUT2
VOUT1
TR: Tape/Reel
6
5
4
3
P: Green
G: Green
(Marking)
2
1
Package Type
S6: SOT-23-6
EN1 VIN EN2
S9: TSOT-23-6
WD: TDFN-6 (1.6mm×1.6mm)
S9 Package (TSOT-23-6)
GND VOUT2
VOUT1
Output Voltage
6
5
4
3
VOUT1 VOUT2
VOUT1
1.8V
1.8V
2.8V
1.8V
2.85V
1.5V
1.5V
1.2V
3.0V
3.3V
1.2V
VOUT2
2.6V
3.0V
3.3V
1.8V
2.85V
3.0V
3.3V
3.3V
2.85V
3.3V
1.8V
(Marking)
2
A
B
C
D
E
F
G
H
I
3.3V
3.3V
2.8V
2.5V
3.0V
1.8V
2.8V
1.5V
1.8V
1.3V
1.2V
2.8V
2.5V
1.8V
1.8V
1.8V
2.8V
2.8V
2.8V
3.3V
2.8V
2.8V
L
M
N
O
P
Q
R
S
1
EN1 VIN EN2
WD Package (TDFN-6) (1.6mm×1.6mm)
1
2
3
6
5
4
VOUT2
EN2
VIN
VOUT1
GND
GND
T
V
W
EN1
J
K
Figure 1. Pin Assignment of FP6121
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FP6121
TSOT-23-6 Marking
Part Number
SOT-23-6 Marking
Part Number
Product
Code
Product
Code
Product
Code
Product
Code
Part Number
Part Number
FP6121-AS9P
FP6121-BS9P
FP6121-CS9P
FP6121-DS9P
FP6121-ES9P
FP6121-FS9G
FP6121-GS9P
FP6121-HS9P
FP6121-IS9G
FP6121-IS9P
fR
fS
fT
fU
fV
fW
fX
fY
fiG
fi
FP6121-JS9P
FP6121-KS9G
FP6121-KS9P
FP6121-LS9P
FP6121-MS9P
FP6121-NS9P
FP6121-OS9P
FP6121-PS9P
FP6121-QS9G
FP6121-QS9P
fm
frG
fr
FP6121-AS6P
FP6121-AS6G
FP6121-BS6P
FP6121-BS6G
FP6121-CS6P
fA
FP6121-KS6P
FP6121-KS6G
FP6121-LS6P
FP6121-LS6G
FP6121-MS6P
fn
fA=
fB
fn=
ft
fv
fB=
fC
ft=
fu
fw
FM
FN
FU
D4G
B5G
FP6121-CS6G
FP6121-DS6P
FP6121-DS6G
FP6121-ES6P
FP6121-ES6G
FP6121-FS6P
FP6121-FS6G
FP6121-GS6P
FP6121-GS6G
FP6121-HS6P
FP6121-HS6G
FP6121-IS6P
FP6121-IS6G
FP6121-JS6P
FP6121-JS6G
fC=
fD
FP6121-MS6G
FP6121-NS6P
FP6121-NS6G
FP6121-OS6P
FP6121-OS6G
FP6121-PS6P
FP6121-PS6G
FP6121-QS6P
FP6121-QS6G
FP6121-RS6G
FP6121-SS6G
FP6121-TS6G
FP6121-VS6G
FP6121-VS6P
FP6121-WS6G
fu=
FK
fD=
fE
FK=
FL
fE=
fF
FL=
FT
TDFN-6 (1.6mm×1.6mm) Marking
Product
Code
Product
Code
fF=
fG
FT=
F0
Part Number
Part Number
FP6121-AWDG
FP6121-BWDG
FP6121-CWDG
FP6121-DWDG
FP6121-EWDG
FP6121-FWDG
FP6121-GWDG
FP6121-HWDG
FP6121-IWDG
FP6121-JWDG
FP6121-KWDG
0
FP6121-LWDG
FP6121-MWDG
FP6121-NWDG
FP6121-OWDG
FP6121-PWDG
FP6121-QWDG
FP6121-RWDG
FP6121-SWDG
FP6121-TWDG
FP6121-VWDG
M
N
fG=
fH
F0=
B3=
L1=
G7=
D9=
D9
B
C
D
E
F
P
fHG
fZ
R.
S.
T.
fZ=
fk
G
H
J
U.
X.
V.
W.
fk=
F0G
K
L
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FP6121
Typical Application Circuit
VIN
EN1
VIN
VOUT1
VOUT1
FP6121
COUT1
1μF
GND
CIN
1μF
EN2
VOUT2
VOUT2
COUT2
1μF
Figure 2. Typical Application Circuit of FP6121
Note：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 requires 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 unstable. The
FP6121 is stable with an output capacitor 1µF or greater. The larger output capacitor will be required for
application with large transit load to limit peak voltage transits, besides could reduce output noise, improve
stability and PSRR.
VOUT1
VOUT2
The output supplies power to loads. The output capacitor is required to prevent output voltage unstable. The
FP6121 is stable with an output capacitor 1µF or greater. The larger output capacitor will be required for
application with large transit load to limit peak voltage transits, besides could reduce output noise, improve
stability and PSRR.
GND
EN1
Common ground pin
Logic input control VOUT1 active or shut off. The enable pin can’t be left floating and must be tied to the Vin pin
if not used. The shutdown mode which is independent for each channel, allowing for flexibility in power
management.
Logic input control VOUT2 active or shut off. The enable pin can’t be left floating and must be tied to the Vin pin
if not used. The shutdown mode which is independent for each channel, allowing for flexibility in power
management.
EN2
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FP6121
Absolute Maximum Ratings
● Supply Input Voltage (VIN) ------------------------------------------------------------------------------------- +6V
● Other Pin Voltage (EN1, EN2, VOUT1, VOUT2) ---------------------------------------------------------- +6V
● Maximum Junction Temperature (TJ) ------------------------------------------------------------------------ +150ºC
● Power Dissipation @25ºC, (PD)
SOT-23-6, TSOT-23-6 --------------------------------------------------------------------------- +0.4W
+0.63W
TDFN-6 (1.6mm×1.6mm) -----------------------------------------------------------------------
● Package Thermal Resistance, (θJA)
SOT-23-6,TSOT-23-6 ---------------------------------------------------------------------------- +250ºC/W
+160ºC/W
TDFN-6 (1.6mm×1.6mm) -----------------------------------------------------------------------
● Storage Temperature Range (TS) ----------------------------------------------------------------------------- -65ºC to +150ºC
● Lead Temperature (Soldering, 10 sec.) (TLEAD) ------------------------------------------------------------ +260ºC
Note1：Stresses beyond those listed under “Absolute Maximum Ratings" may cause permanent damage to the device.
Recommended Operating Conditions
● Input Voltage (VIN) ------------------------------------------------------------------------------------------------ +2.0V to +5.5V
● Operating Temperature Range (TOPR) ----------------------------------------------------------------------- -40ºC to +85ºC
Block Diagram
RSEN1
PMOS
VIN
VOUT1
Current Limit
R1
Error Amp
ON/OFF
Control
EN1
Thermal
Shutdown
R2
Vref
GND
RSEN2
PMOS
VOUT2
Current Limit
R3
Error Amp
ON/OFF
Control
EN2
Thermal
Shutdown
R4
Vref
GND
Figure 3. Block Diagram of FP6121
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FP6121
Electrical Characteristics
(VIN=VOUT+1V, VEN1=VEN2=VIN, CIN=1µF, COUT=1µF, TA=25ºC, unless otherwise specified)
Parameter
Output Voltage Accuracy
Current Limit
Symbol
Conditions
Min
-2
Typ
Max
Unit
%
IOUT=1mA
+2
ILIMIT
IQ
RLoad=1Ω
300
mA
µA
Quiescent Current
IOUT=0mA (Single Channel)
25
50
VOUT=1.5V
VOUT=1.8V
910
750
500
270
230
1600
1450
980
510
400
1100
900
IOUT=150mA VOUT=2.5V
VOUT=3.0V
600
330
VOUT=3.3V
270
Dropout Voltage (Note2)
VDROP
mV
VOUT=1.5V
1920
1750
1170
610
VOUT=1.8V
IOUT=300mA VOUT=2.5V
VOUT=3.0V
VOUT=3.3V
480
ꢀVꢁꢂT
Line Regulation
IOUT=1mA, VIN=VOUT +1V to 5V
IOUT=1mA to 200mA
0.01
0.20
60
% / V
ꢀVꢃꢄꢅVꢁꢂT
Load Regulation (Note3)
Ripple Rejection (Note4)
Output Noise Voltage (Note4)
Standby Current
VOUT
PSRR
VNO
ISTBY
IIB
25
70
30
mV
dB
VIN=VOUT+1V
fRIPPLE = 10kHz
COUT=1μF, ꢃOUT=0mA
VEN1=VEN2=GND, Shutdown
VEN1=VEN2=VIN or GND
Start-up
μVRMS
µA
1
EN Input Bias Current
Eꢄ “High” Threshold
Eꢄ “Low” Threshold
100
nA
VIH
1.0
V
VIL
Shutdown
0.4
V
Temperature Coefficient
(Note4)
TC
IOUT=1mA, VIN=5V
100
160
25
ppm/ºC
ºC
TSD
Thermal Shutdown
Temperature
(Note4)
Hysteresis
ºC
TSD
Note 2：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 3：Load regulation and dropout voltage are measured at a constant junction temperature by using a 40ms low duty
cycle current pulse.
Note 4：Guarantee by design.
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FP6121
Typical Performance Curves
VOUT
VIN=3V 4V
IOUT=0100mA
VOUT
Figure 4. Load Transition Response
(VIN=2.8V, VOUT=1.8V)
Figure 5. Line Transition Response
(VOUT=1.8V, IOUT=10mA)
VEN1 = VEN2
VEN1 =VEN2
VOUT1
VOUT2
VOUT1
VOUT2
Figure 6. Enable Test
Figure 7. Shutdown Test
(VIN=4V, VOUT1=3.3V, VOUT2=2.8V, IOUT=30mA)
(VIN=4V, VOUT1=3.3V, VOUT2=2.8V, IOUT=30mA)
VOUT1=2.8V
VOUT2=1.2V
VOUT1=2.8V
VOUT2=1.2V
IOUT2=100mA
IOUT1=100mA
Figure 8. Dual Channel Crosstalk Test
Figure 9. Dual Channel Crosstalk Test
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FP6121
Typical Performance Curves (Continued)
50
45
40
35
30
50
VOUT=1.8V
VOUT=2.8V
C =1uF
C =1uF
IN
IN
COUT=1uF
COUT=1uF
45
40
35
30
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 10. Quiescent Current vs. Input Voltage
Figure 11. Quiescent Current vs. Input Voltage
750
750
V =4V
IN
VIN=4V
VOUT=1.8V
VOUT=2.5V
CIN=COUT=1uF
700
650
600
550
500
450
C =COUT=1uF
700
650
600
550
500
450
IN
-25
0
25
50
75
100
125
-25
0
25
50
75
100
125
Temperature (0C)
Temperature (0C)
Figure 12. Current Limit vs. Temperature
Figure 13. Current Limit vs. Temperature
3.0
2.2
2.0
1.8
1.6
1.4
V =3.5V
VOUT=2.5V
IN
V =2.8V
IN
VOUT=1.8V
C =1uF
COUT=1uF
IN
2.8
2.6
2.4
2.2
2.0
C =1uF
IN
COUT=1uF
-40
-20
0
20
40
60
80
100
120
-40
-20
0
20
40
60
80
100
120
Temperature(0C)
Temperature(0C)
Figure 14. Output Voltage vs. Temperature
Figure 15. Output Voltage vs. Temperature
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FP6121
Typical Performance Curves (Continued)
55
60
55
50
45
40
35
30
25
20
V =2.8V
C =1uF
COUT=1uF
IN
V =3.5V
IN
IN
50
VOUT=2.5V
CIN=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 16. Quiescent Current vs. Temperature
(VIN=2.8V, VOUT=1.8V)
Figure 17. Quiescent Current vs. Temperature
(VIN=3.5V, VOUT=2.5V)
500
450
400
350
300
250
200
150
100
50
550
VOUT=2.8V
CIN=1uF
V
=3.3V
OUT
500
450
400
350
300
250
200
150
100
50
Tj=850C
Tj=250C
Tj=850C
Tj=250C
C
=1uF
IN
COUT=1uF
C
=1uF
OUT
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 18. VOUT=3.3V Dropout vs. Temperature
Figure 19. VOUT=2.8V Dropout vs. Temperature
-80
-100
(VIN=3.3V,VOUT=1.8V, IOUT=100mA, COUT=1uF)
(VIN=3.3V,VOUT=1.8V, IOUT=150mA, COUT=1uF)
(VIN=3.3V, VOUT=1.8V, IOUT=200mA, COUT=1uF)
CIN=None
-80
-60
-40
-20
0
-60
-40
-20
0
VIN=3.3V,VOUT=1.8V
CIN=None, COUT=1uF, No Load
1
10
100
1000
10000
100000 1000000
1
10
100
1000
10000
100000
Frequency(Hz)
Frequency(Hz)
Figure 20. Power Supply Rejection Ratio vs. Frequency
Figure 21. Power Supply Rejection Ratio vs. Frequency
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FP6121
Application Information
Thermal Consideration
The FP6121 include 2 independent output channels.
Current limit and on chip thermal shutdown features
provide protection against any combination of
overload or ambient temperature that could exceed
maximum junction temperature.
The power handling capability of the device will be
limited by maximum 125C operation junction
temperature. The power dissipated by the device
will be estimated by
EN Control
PD = IOUT (VIN-VOUT
)
Force EN pin high to enable the FP6121 and turned
off the device by pulling it low. The Eꢄ pin can’t be
floated and must be tied to the Vin if not used. The
enable control is independent to each channel.
The power dissipation should be lower than the
maximum power dissipation listed in “Absolute
Maximum Ratings” section.
Capacitor Selection
PSRR (Power Supply Rejection Ratio)
The ceramic capacitor is ideal for FP6121
application. The ESR of the output capacitor
The FP6121 has high 70dB PSRR. Ripple rejection
is the ability of the regulator to reduce input voltage
ripple. It is specified with a 10kHz and 1VP-P signal
affects stability.
Larger value of the output
capacitor decreases the peak deviations and
improves transient response for larger current
changes.
applying to input, with 1μF output capacitor. Ripple
rejection, expressed in dB, is the ratio of output ripple
to input ripple.
The capacitor types (ceramic, aluminum, and
tantalum) have different characterizations such as
voltage and temperature 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 because X5R or X7R hold their
capacitance over wide voltage and temperature
ranges than other Y5V or Z5U types. The ESR of
output capacitor is very important because it
generates a zero to provide phase lead for loop
stability. The input capacitor can reduced peak
current and noise at power source.
Thermal Shutdown
Thermal shutdown is employed to protect the device
damage from the junction temperature exceed safe
margins due mainly to short circuit or current limit.
Moreover, the device returns normally operation
when the junction temperature down to a constant
temperature. Though temperature protection circuit
is built in to protect IC, the maximum power
dissipation design within Tj(max) is needed. The
thermal protection is independent to each channel.
FP6121-3.5-DEC-2013
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FP6121
Outline Information
SOT-23-6 Package (Unit: mm)
DIMENSION IN MILLIMETER
SYMBOLS
UNIT
MIN
0.90
0.00
0.90
0.30
2.80
2.60
MAX
1.45
0.15
1.30
0.50
3.00
3.00
A
A1
A2
B
D
E
E1
e
1.50
0.90
1.80
0.30
1.70
1.00
2.00
0.60
e1
L
Note：Followed From JEDEC MO-178-C.
Carrier Dimensions
FP6121-3.5-DEC-2013
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FP6121
Outline Information (Continued)
TSOT-23-6 Package (Unit: mm)
DIMENSION IN MILLIMETER
SYMBOLS
UNIT
MIN
MAX
A
A1
A2
B
0.70
0.90
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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FP6121
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
Life Support Policy
Fitipower’s products are not authorized for use as critical components in life support devices or other medical systems.
FP6121-3.5-DEC-2013
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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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