FS8853
Fortune Semiconductor Corporation
富晶電子股½有限公司
28F., No.27, Sec. 2, Zhongzheng E. Rd.,
Danshui Town, Taipei County 251, Taiwan
Tel.：886-2-28094742
Fax：886-2-28094874
www.ic-fortune.com
This manual contains new product information.
Fortune Semiconductor Corporation
reserves the rights to
modify the product specification without further notice. No liability is assumed by
Fortune Semiconductor
Corporation
as a result of the use of this product. No rights under any patent accompany the sale of the
product.
Rev. 2.1
2/15
FS8853
1.
General Description
4.
Ordering Information
The FS8853 is a low-dropout linear regulator that
FS8853-xx x x
operations in the input voltage range from +2.5V to
+9.0V and delivers 300mA output current.
Package
Pin Out
The high-accuracy output voltage is preset at an
A : SOT-23
1.IN
2.GND 3.OUT
internally trimmed voltage 2.5V or 3.3V. Other output
B : SOT-23
1.GND 2.IN
3.OUT
voltages can be mask-optioned from 1.5V to 5.0V
C : SOT-23
1.GND 2.OUT 3.IN
with 100mV increment, except FS8853-29Cx which
E : TO-92
1.GND 2.IN
3.OUT
has 2.85V output voltage.
L : SOT-89
1.GND 2.IN
3.OUT
The FS8853 consists of a 1.25V bandgap reference,
I : SOT-89
1.OUT 2.GND 3.IN
an error amplifier, and a P-channel pass transistor.
Other features include short-circuit protection and
Temperature Range
thermal shutdown protection. The FS8853 devices
C : Commercial Standard
are available in TO-92, SOT-89 and SOT-23
P : Commercial Standard, Lead(Pb) Free and
packages.
Phosphorous(P) Free Package
2.
Features
Output Voltage
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
46 : 4.6V
47 : 4.7V
48 : 4.8V
49 : 4.9V
50 : 5.0V
Low dropout voltage 400mV at 300mA (Typ.)
Up to
±35mV
output voltage accuracy (VIN≦7V)
Preset at 2.5V, 3.3V
Mask options from 1.5V to 5.0V
Quiescent current 30µA at 5V input (Typ.)
Small output capacitor
Output current limit
Thermal overload shutdown protection
TO-92, SOT-89 and SOT-23 Package
3.
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
Rev. 2.1
3/15
FS8853
5.
Pin Configurations
TO-92
SOT-89
Part No. Pin 1 Pin 2 Pin 3
FS8853
GND
-xxxL
IN
OUT
IN
FS8853
xxxxxxxx
1
2
3
Part No. Pin 1 Pin 2 Pin 3
FS8853
GND
-xxxE
IN
OUT
1
2
3
(BOTTOM VIEW)
FS8853
OUT GND
-xxxI
Part No. Pin 1 Pin 2 Pin 3
FS8853
-xxxA
SOT-23
IN
GND OUT
IN
OUT
IN
FS8853
GND
-xxxB
.....
3xxx
W
....
2
3
FS8853
GND OUT
-xxxC
6.
Package Marking Information
SOT-23
EX：FS8853-33CC
.....
TO-92 & SOT-89
EX：FS8853-33CL
FS8853
33CLxxxx
xxxx：Date Code
333C
...
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
333C
...
.
W
Top Point：Lot No.
Bottom Point：Year
w : week, A~Z & A ~ Z
A dot after marking : Pb/P Free
Rev. 2.1
4/15
FS8853
7.
Pin Description
Part NO.
FS8853-xxxA
FS8853-xxxB
FS8853-xxxC
FS8853-xxxE
FS8853-xxxL
FS8853-xxxI
OUT
IN
Symbol
GND
Description
Ground pin that provides the reference for all voltages.
Regulator input pin. Supply voltage can range from 2.5V to 9.0V.
Bypass with a 1µF capacitor to GND.
Regulator output pin. Sources up to 300mA. Bypass with a 3.3µF
capacitor to GND.
8.
Functional Block Diagram
IN
Current Limit
Shutdown
Logic
Thermal
Protection
OUT
R1
1.25V
Bandgap
Reference
R2
GND
9.
Typical Application Circuit
Rev. 2.1
5/15
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