Fremont Micro Devices
FT510xx
Low Power, 1.1uA LDO Regulator
FEATURES
DESCRIPTION

Maximum Output Current: more than 250mA
The FT510xx series are precise, extra low power

Dropout
consumption, positive voltage regulators with a
(Vout=3.0V)
significantly small dropout voltage. Each device

Low Power Consumption 1.1uA (TYP.)
contains a current limiter circuit, a PMOS power

Maximum Operating Voltage 6.0V
transistor, a precision reference voltage and an

Output Voltage Range 2.8V to 3.6V
error amplifier circuit.

Input Voltage Range 2.8V to 6V

Highly Accurate ± 2%

Operational
mV
@
100mA
l
160
The FT510xx has been designed to be used with
Temperature
Range
-40℃~

Ultra
capacitor of 1.0uF. Standard output voltage versions
Small
Packages
SOT23-3
and
SOT89-3
Low ESR Capacitor Ceramic Compatible
are 2.8V, 3.0V, 3.3V, 3.6V.
fid

low capacitors and requires a minimum output
en
85℃
tia
Voltage:
APPLLICATIONS
Battery Powered Equipment

Cellular Phones

Digital Cameras, Video Cameras

Portable AV Systems

Communication Tools

Portable Game
FM
D
C
on

© 2012 Fremont Micro Devices Inc.
DS510xx-A3--page1
Fremont Micro Devices
FT510xx
TYPICAL APPLICATION CIRCUIT
VOUT
2
VIN
1uF
RL
1
GND
en
Typical Application Circuit
l
1uF
tia
3
ABSOLUTE MAXIMUM RATINGS*
fid
Operating Ambient Temperature ---------------------------------------------------------------------------------- -40 oC to 85oC
Storage Temperature ----------------------------------------------------------------------------------------------- -55oC to 125oC
on
Maximum Voltage ---------------------------------------------------------------------------------------------------------------- 6V
Output Current -------------------------------------------------------------------------------------------------------------- 500mA
Power Dissipation --------------------------------------------------------------------------------------------------------- 400mW
C
ESD Protection HBM ------------------------------------------------------------------------------------------------------- 6000V
MM --------------------------------------------------------------------------------------------------------- 600V
FM
D
* Stresses exceed those listed under “Absolute Maximum Ratings” may cause permanent damage to the device.
Functional operation of the device at conditions beyond those listed in the specification is not guaranteed.
Prolonged exposure to extreme conditions may affect device reliability or functionality.
© 2012 Fremont Micro Devices Inc.
DS510xx-A3--page2
Fremont Micro Devices
FT510xx
PIN CONFIGURATION
VIN
3
1
2
GND
VOUT
2
1
3
en
Pin Function
Power Input Voltage
VIN
3
tia
TERMINAL FUNCTION
Pin Name
2
VOUT GND VIN
SOT89-3B
l
SOT23-3A
1
GND VIN VOUT
SOT89-3A
Output Voltage
GND
Ground
FM
D
C
on
fid
VOUT
© 2012 Fremont Micro Devices Inc.
DS510xx-A3--page3
Fremont Micro Devices
FT510xx
ORDERING INFORMATION
FT510 x x -XX
Circuit Type
HSF and Packaging
Blank: RoHS and T&R
-GT: Green and T&R
Output Voltage
E: 2.8V
F: 3.0V
Package
G: 3.3V
a: SOT23-3A
H: 3.6V
l
b: SOT89-3A
-40℃-85℃
SOT89-3A
-40℃-85℃
SOT89-3B
-40℃-85℃
SOT23-3
-40℃-85℃
SOT89-3A
-40℃-85℃
RoHS
Green
RoHS
-40℃-85℃
SOT23-3
-40℃-85℃
SOT89-3A
FM
-40℃-85℃
SOT89-3B
-40℃-85℃
SOT23-3
-40℃-85℃
SOT89-3A
-40℃-85℃
SOT89-3B
-40℃-85℃
3.3V
3.6V
D
SOT89-3B
© 2012 Fremont Micro Devices Inc.
Ordering
Code
T&R
FT510Ea
T&R
FT510Ea-GT
T&R
FT510Eb
Green
T&R
FT510Eb-GT
RoHS
T&R
FT510Ec
Green
T&R
FT510Ec-GT
RoHS
T&R
FT510Fa
Green
T&R
FT510Fa-GT
RoHS
T&R
FT510Fb
Green
T&R
FT510Fb-GT
RoHS
T&R
FT510Fc
Green
T&R
FT510Fc-GT
RoHS
T&R
FT510Ga
Green
T&R
FT510Ga-GT
RoHS
T&R
FT510Gb
Green
T&R
FT510Gb-GT
RoHS
T&R
FT510Gc
Green
T&R
FT510Gc-GT
RoHS
T&R
FT510Ha
Green
T&R
FT510Ha-GT
RoHS
T&R
FT510Hb
Green
T&R
FT510Hb-GT
RoHS
T&R
FT510Hc
Green
T&R
FT510Hc-GT
C
3.0V
SOT23-3A
Packaging
en
2.8V
Range
HSF
fid
Voltage
Temperature
Package
on
Output
tia
c: SOT89-3B
DS510xx-A3--page4
Fremont Micro Devices
FT510xx
MARKING RULE
3
①②③④⑤
①②③④⑤
2
1
1
2
SOT89-3
Represent Product Series
2

PRODUCT SERIES
en
SYMBOL
FT510xx
Represent output voltage and operating temperature range
fid

tia
l
SOT23-3
3
E represent the output voltage is 2.8V, operating temperature is –40C ~ 85C.
internal reference.
on
③④⑤ For
C
BLOCK DIAGRAM
FM
D
VIN
Bandgap
Current
Limiter
+
VOUT
c
GND
Block Diagram
© 2012 Fremont Micro Devices Inc.
DS510xx-A3--page5
Fremont Micro Devices
FT510xx
ELECTRICAL CHARACTERISTICS
Vin=Vout+1V; Cin=1.0uF; Vout=2.8V
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
Output Voltage
Vout
Iout=1mA
2.744
2.8
2.856
V
Input Voltage
Vin
6
V
Load Regulation
Dropout Voltage **
Supply Current
Imax
Vin=Vout+1V
△Vout
1mA≤Iout≤100mA
25
Vdrp1
Iout=100 mA
180
Vdrp2
Iout=30 mA
80
Iq
Vin=Vout+1V
1.1
△Vout/
Line Regulation
Vout+1.0V ≤ Vout
≤6V
(△Vin* Vout)
(△Temp*
Characteristics
Vout)
Current Limiter
Ishort
mV
mV
uA
0.3
en
Temperature
Iout=1mA
Iout=1mA
-40°C≤Temp≤85°C
fid
△Vout/
mA
0.04
Vin=Vout+1V,
Vout=2.8V
on
Output Voltage
250
l
Current
tia
Maximum Output
2.8
%/V
100
ppm/C
70
mA
Vin=Vout+1V; Cin=1.0uF; Vout =3.0V
Output Voltage
SYMBOL
Vout
Maximum Output
FM
Current
Dropout Voltage **
Supply Current
Line Regulation
Iout=1mA
Vin
D
Input Voltage
Load Regulation
CONDITIONS
C
PARAMETER
MIN
2.94
0
TYP
3.0
2.8
Vin=Vout+1V
△Vout
1mA≤Iout≤100mA
25
Vdrp1
Iout=100 mA
160
Vdrp2
Iout=30 mA
70
Iq
Vin=Vout+1V
1.1
(△Vin* Vout)
Output Voltage
△Vout/
Temperature
(△Temp*
Characteristics
Vout)
Current Limiter
Ishort
© 2012 Fremont Micro Devices Inc.
3.06
0
6
Imax
△Vout/
MAX
250
UNIT
S
V
V
mA
mV
mV
uA
Vout+1.0V ≤ Vout
≤6V
0.04
0.3
%/V
Iout=1mA
Iout=1mA
-40°C≤Temp≤85°C
Vin=Vout+1V,
Vout=3.0V
100
70
ppm/
C
mA
DS510xx-A3--page6
Fremont Micro Devices
FT510xx
Vin=Vout+1V; Cin=1.0uF; Vout =3.3V
SYMBOL
CONDITIONS
Output Voltage
Vout
Iout=1mA
Input Voltage
Vin
Current
Load Regulation
Dropout Voltage **
Supply Current
4
3.3
2.8
Vin=Vout+1V
△Vout
1mA≤Iout≤100mA
25
Vdrp1
Iout=100 mA
150
Vdrp2
Iout=30 mA
60
Iq
Vin=Vout+1V
Vout+1.0V ≤ Vout
≤6V
(△Vin* Vout)
(△Temp*
Characteristics
Vout)
Current Limiter
Ishort
Iout=1mA
-40°C≤Temp≤85°C
Vin=Vout+1V,
Vout=3.3V
S
V
V
mA
mV
mV
1.1
uA
0.3
en
Temperature
fid
△Vout/
6
UNIT
100
70
%/V
ppm/
C
mA
on
Output Voltage
3.36
250
0.04
Iout=1mA
MAX
6
Imax
△Vout/
Line Regulation
3.23
TYP
tia
Maximum Output
MIN
l
PARAMETER
Dropout voltage is defined as the input to output differential at which the output voltage drops 2%
FM
D
C
below its nominal value measured at 1V differential.
© 2012 Fremont Micro Devices Inc.
DS510xx-A3--page7
Fremont Micro Devices
FT510xx
TYPICAL PERFORMANCE CHARACTERISTICS FT510Fx
Vout=3.0V, Vin=4.0V, Cin=Co=1uF, temp=27C unless otherwise noted
1. Output Voltage vs. Output Current
2. Output Voltage vs. Input Voltage
3.2
3
temp=-40
temp=27
temp=85
2.9
3.1
3
Iout=1mA
Iout=40mA
Iout=100mA
2.9
l
3.1
tia
Output Voltage(V)
2.8
2.8
0
50
100
150
Output Current(mA)
3
200
4
5
Input Voltage (V)
3. Supply Current vs. Input Voltage
4. Output Voltage vs. Temperature
3.2
temp=-40C
temp=27C
temp=85C
3.1
fid
Output Voltage(V)
2.9
on
1
3
0.75
2.8
2.7
2.6
4
C
0.5
5
Input Voltage(V)
6
-50
D
5. Input Transient Response (1)
0
Temp(C)
50
100
6. Input Transient Response (2)
5
4
4
5
4.5
2
3
4
4
0
2
FM
Input voltage
-2
1
Output voltage
-4
0
0.5
1
1.5
2
2.5
Time(0.5msec/div)
© 2012 Fremont Micro Devices Inc.
3
Input Voltage(V)
6
Output votlage (V)
5
6
Input Voltage(V)
Iout=1mA
Iout=10mA
Iout=40mA
Iout=100mA
Input voltage
Output voltage
3
Output votlage (V)
Supply Current(uA)
1.5
1.25
6
en
Output Voltage (V)
3.2
3.5
2
3
1
2.5
1
2
3
4
Time(1msec/div)
5
DS510xx-A3--page8
Fremont Micro Devices
FT510xx
7. Load Transient Response
8. Current Limiting
200
5
4
120
3
80
2
40
1
0
0
2
3
4
Time(1msec/div)
vin=4
vin=5
vin=6
2
1
0
5
0
100
500
en
80
70
60
fid
50
40
30
20
0.1
1
on
Ripple Rejection Rate RR(dB)
9. Power Supply Ripple Rejection
10
0.01
200
300
400
Output Current(mA)
tia
1
3
l
4
Output voltage
Output Voltage (V)
Output Current (mA)
160
Output votlage (V)
Output current
10
FM
D
C
Ripple Frequency (KHz)
© 2012 Fremont Micro Devices Inc.
DS510xx-A3--page9
Fremont Micro Devices
FT510xx
FM
D
C
on
fid
en
tia
l
SOT23-3 PACKAGE OUTLINE DIMENSIONS
© 2012 Fremont Micro Devices Inc.
DS510xx-A3--page10
Fremont Micro Devices
FT510xx
FM
D
C
on
fid
en
tia
l
SOT89-3 PACKAGE OUTLINE DIMENSIONS
© 2012 Fremont Micro Devices Inc.
DS510xx-A3--page11
Fremont Micro Devices
FT510xx
Fremont Micro Devices (SZ) Limited
#5-8, 10/F, Changhong Building, Ke-Ji Nan 12 Road, Nanshan District, Shenzhen
Tel: (86 755) 86117811
Fax: (86 755) 86117810
Fremont Micro Devices (Hong Kong) Limited
#16, 16/F, Blk B, Veristrong Industrial Centre, 34-36 Au Pui Wan Street, Fotan, Shatin, Hong Kong
Tel: (852) 27811186
tia
l
Fax: (852) 27811144
en
Fremont Micro Devices (USA), Inc.
42982 Osgood Road Fremont, CA 94539
Tel: (1-510) 668-1321
FM
D
C
on
Web Site: http://www.fremontmicro.com/
fid
Fax: (1-510) 226-9918
* Information furnished is believed to be accurate and reliable. However, Fremont Micro Devices,
Incorporated (BVI) assumes no responsibility for the consequences of use of such information or for any
infringement of patents of other rights of third parties which may result from its use. No license is granted by
implication or otherwise under any patent rights of Fremont Micro Devices, Incorporated (BVI).
Specifications mentioned in this publication are subject to change without notice. This publication
supersedes and replaces all information previously supplied. Fremont Micro Devices, Incorporated (BVI)
products are not authorized for use as critical components in life support devices or systems without
express written approval of Fremont Micro Devices, Incorporated (BVI). The FMD logo is a registered
trademark of Fremont Micro Devices, Incorporated (BVI). All other names are the property of their
respective owners.
© 2012 Fremont Micro Devices Inc.
DS510xx-A3--page12