FS8853
300mA LDO Linear Regulator
General Description
The FS8853 is a low-dropout linear regulator that
operations in the input voltage range from +2.5V
to +9.0V and delivers 300mA output current.
The high-accuracy output voltage is preset at an
internally trimmed voltage 2.5V or 3.3V. Other
output voltages can be mask-optioned from 1.3V
to 4.5V with 100mV increment, except
FS8853-29Cx which has 2.85V output voltage.
The FS8853 consists of a 1.25V bandgap
reference, an error amplifier, and a P-channel
pass transistor. Other features include
short-circuit protection and thermal shutdown
protection. The FS8853 devices are available in
TO-92, SOT-89 and SOT-23 packages.
Ordering Information
FS8853-xx x x
Package
A : SOT-23
B : SOT-23
C : SOT-23
V : SOT-23
D : TO-92
E : TO-92
F : TO-92
W : TO-92
K : SOT-89
L : SOT-89
I : SOT-89
Y : SOT-89
Pin Out
1.IN
1.GND
1.GND
1.OUT
1.IN
1.GND
1.OUT
1.GND
1.IN
1.GND
1.OUT
1.GND
2.GND
2.IN
2.OUT
2.GND
2.GND
2.IN
2.GND
2.OUT
2.GND
2.IN
2.GND
2.OUT
3.OUT
3.OUT
3.IN
3.IN
3.OUT
3.OUT
3.IN
3.IN
3.OUT
3.OUT
3.IN
3.IN
Temperature Range
C : Commercial Standard
P : Commercial Standard, Lead(Pb) Free and
Phosphorous(P) Free Package
Output Voltage
13 : 1.3V
14 : 1.4V
15 : 1.5V
16 : 1.6V
17 : 1.7V
18 : 1.8V
19 : 1.9V
20 : 2.0V
21 : 2.1V
22 : 2.2V
23 : 2.3V
24 : 2.4V
25 : 2.5V
26 : 2.6V
27 : 2.7V
28 : 2.8V
29 : 2.85V
30 : 3.0V
31 : 3.1V
32 : 3.2V
33 : 3.3V
34 : 3.4V
35 : 3.5V
36 : 3.6V
37 : 3.7V
38 : 3.8V
39 : 3.9V
40 : 4.0V
41 : 4.1V
42 : 4.2V
43 : 4.3V
44 : 4.4V
45 : 4.5V
Features
Low dropout voltage 400mV at 300mA (Typ.)
Up to
±35mV
output voltage accuracy (V
IN
≦
7V)
Preset at 2.5V, 3.3V
Mask options from 1.3V to 4.5V
Small output capacitor
Output current limit
Thermal overload shutdown protection
TO-92, SOT-89 and SOT-23 Package
Applications
Battery Powered Equipment
Palmtops
Portable Cameras and Video Recorders
Reference Voltage Sources
Post Regulator for Switching Power
Note :
Mask option output types are
available by order only
Fortune Semiconductor Co.
http://www.fsc.com.tw
TEL : +886-2-2809-4742
FAX: +886-2-2809-4874
1/13
TD-0405006
Rev. 1.5
FS8853
300mA LDO Linear Regulator
Pin Configurations
Part No. Pin 1 Pin 2 Pin 3
FS8853
-xxxD
IN
GND OUT
IN
OUT
IN
IN
1
TO-92
Part No. Pin 1 Pin 2 Pin 3
3
SOT-89
2
FS8853
-xxxK
IN
GND OUT
IN
OUT
IN
IN
FS8853
xxxxxxxx
1
2
3
FS8853
GND
-xxxE
(BOTTOM VIEW)
FS8853
OUT GND
-xxxF
FS8853
GND OUT
-xxxW
FS8853
GND
-xxxL
FS8853
OUT GND
-xxxI
FS8853
GND OUT
-xxxY
SOT-23
3
.....
....
Part No. Pin 1 Pin 2 Pin 3
FS8853
-xxxA
IN
GND OUT
IN
OUT
IN
IN
1
3xxx
W
2
FS8853
GND
-xxxB
FS8853
GND OUT
-xxxC
FS8853
OUT GND
-xxxV
Package Marking Information
SOT-23
EX：FS8853-33CC
.....
TO-92 & SOT-89
EX：FS8853-33CL
FS8853
33CLxxxx
xxxx：Date Code
3 33 C
W
....
Top Point：Lot No.
Bottom Point：Year
w : week, A~Z & A ~ Z
EX：FS8853-33PC
.....
EX：FS8853-33PL
FS8853
33PLxxxx
xxxx：Date Code
3 33 C
W
....
Top Point：Lot No.
Bottom Point：Year
w : week, A~Z & A ~ Z
4th Digit with Underline : Pb/P Free
Fortune Semiconductor Co.
http://www.fsc.com.tw
TEL : +886-2-2809-4742
FAX: +886-2-2809-4874
2/13
TD-0405006
Rev. 1.5
FS8853
300mA LDO Linear Regulator
Pin Description
Part NO.
FS8853-xxCA
FS8853-xxCB
FS8853-xxCC
FS8853-xxCV
FS8853-xxCD
FS8853-xxCE
FS8853-xxCF
FS8853-xxCW
FS8853-xxCK
FS8853-xxCL
FS8853-xxCI
FS8853-xxCY
Symbol
GND
Ground pin.
Description
IN
Regulator input pin.
OUT
Regulator output pin.
IN
is the regulator input pin. Supply voltage can range from 2.5V to 9.0V. Bypass with a 1µF capacitor to
GND.
OUT
is the output voltage pin. Sources up to 300mA. Bypass with a 3.3µF capacitor to GND.
GND
provides the reference for all voltages.
Functional Block Diagram
IN
Current Limit
Shutdown
Logic
Thermal
Protection
OUT
R1
1.25V
Bandgap
Reference
R2
GND
Fortune Semiconductor Co.
http://www.fsc.com.tw
TEL : +886-2-2809-4742
FAX: +886-2-2809-4874
3/13
TD-0405006
Rev. 1.5
FS8853
300mA LDO Linear Regulator
Typical Application Circuit
FS8853
Absolute Maximum Ratings
Input voltage V
IN
to GND ----------------------------------------------------------------------------------------------------10V
Output current limit, I
(LIMIT)
------------------------------------------------------------------------------------------------ 0.6A
Continuous power dissipation, P
D
(∆T= T
J
-T
A
= 100°C)
SOT-23
----------------------------------------------------------------------------------------------------------------------------------------
0.31W
SOT-89
----------------------------------------------------------------------------------------------------------------------------------------
0.55W
TO-92
----------------------------------------------------------------------------------------------------------------------------------------
0.55W
* The power dissipation values are based on the condition that junction temperature T
J
and ambient
temperature T
A
difference is 100°C.
Junction Temperature, T
J
------------------------------------------------------------------------------------------------ +155°C
Storage temperature range, T
STG
---------------------------------------------------------------------- -55°C to +150°C
Operating junction temperature range ----------------------------------------------------------------- -40°C to +125°C
Lead temperature (soldering, 10sec) -------------------------------------------------------------------------------- 260°C
* Stresses beyond those listed under “absolute maximum ratings” may cause permanent damage to the device.
These are stress ratings only, and function operation of the device at these or any other conditions beyond those
indicated under “recommended operating conditions” is not implied. Exposure to absolute-maximum-rated
conditions for extended periods may affect device reliability.
Fortune Semiconductor Co.
http://www.fsc.com.tw
TEL : +886-2-2809-4742
FAX: +886-2-2809-4874
4/13
TD-0405006
Rev. 1.5
FS8853
300mA LDO Linear Regulator
Electrical Characteristics
(T
A
=25℃, unless otherwise noted.)
Symbol
V
IN
V
OUT
Parameter
Input Voltage
Output Voltage
Test Conditions
Min
Typ
V
OUT
V
OUT
Max
9.0
V
OUT
+
0.035
V
OUT
+
0.042
+35
+42
0.6
V
OUT
=0V, V
IN
>V
OUT
+0.48V
I
LOAD
=0mA to 300mA,
V
IN
=V
OUT
+0.48V
I
OUT
=1mA
I
OUT
=100mA
I
OUT
=300mA
∆V
LINE
∆V
LOAD
Line Regulation
Load Regulation
Output Noise
Ripple Rejection
Thermal Shutdown
Temperature
Thermal Shutdown
Hysteresis
Thermal Resistance
V
OUT
+0.48V<V
IN
<9V, I
LOAD
=1mA
I
OUT
=0mA to 300mA
F=1Hz to 10KHz, C
OUT
=3.3µF
F=10KH
z
, C
OUT
=3.3µF
140
65
1.1
120
400
0.2
0.01
70
75
155
20
SOT-23
320
180
180
SOT-89
TO-92
160
120
1.3
145
480
0.3
0.02
Unit
V
V
V
mV
mV
mA
A
mA
µA
mV
mV
mV
%/V
%/mA
µV
RMS
dB
°C
°C
°C/W
°C/W
°C/W
2.5
V
OUT
-
V
IN
=V
OUT
+0.48V, I
OUT
=1mA, V
IN
≦7V
0.035
V
IN
=V
OUT
+0.48V, I
OUT
=1mA, 7V＜V
IN
V
OUT
-
0.042
≦9V
V
IN
>V
OUT
+0.48V, V
IN
≦7V
V
IN
>V
OUT
+0.48V, 7V＜V
IN
≦9V
-35
-42
300
∆
V
OUT
I
MAX
I
LIMIT
I
SC
I
Q
Output Voltage Accuracy
Maximum Load Current
Current Limit
Short-Circuit Current
Ground Pin Current
V
DROP
Dropout Voltage
e
N
PSRR
T
SD
T
HYS
θ
JA
Fortune Semiconductor Co.
http://www.fsc.com.tw
TEL : +886-2-2809-4742
FAX: +886-2-2809-4874
5/13
TD-0405006
Rev. 1.5
