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S-8330 PDF даташит

Спецификация S-8330 изготовлена ​​​​«Seiko Instruments USA» и имеет функцию, называемую «Step-Up Switching Regulator (DC/DC Converter ICs)».

Детали детали

Номер произв S-8330
Описание Step-Up Switching Regulator (DC/DC Converter ICs)
Производители Seiko Instruments USA
логотип Seiko Instruments USA логотип 

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S-8330 Даташит, Описание, Даташиты
Rev.5.1_00
STEP-UP, FOR LCD BIAS SUPPLY, 1-CHANNEL
SWITCHING REGULATOR
www.DataSheet4U.com
S-8330/8331 Series
The S-8330/8331 Series is a CMOS PWM-control step-up
switching regulator which mainly consists of a reference voltage
source, an oscillation circuit, a power MOS FET (for S-8330
Series) , and an error amplifier. The output voltage can adjust by
built-in Electric volume circuit, and equip with shutdown function.
The S-8330 Series is low current consumption because of
CMOS structure , and a step-up switching regulator constructed
by externally connecting only a coil, a capacitor and a diode.
This feature, along with its 8-Pin SSOP package and a few
external components, makes the S-8330 Series ideal for LCD
bias generators of portable equipment. For applications
requiring a high output current, products used with an external
transistor (S-8331 Series) are also available.
„ Features
Maximum output voltage: 20 V to 30 V (2 V step)
12 V range can be adjusted by electric volume
Output voltage accuracy :±2.4%
Output current: 5 mA ( VIN= 5 V,VOUT= 30 V)
Low current consumption :
During operation: 100 μA (typ.) (VIN= 5 V 180 kHz)
During shutdown : 1.0 μA (max.)
Shutdown function: Stepping up operation is stopped ,
and Vout pin is shorted to GND while shutdown.
Input voltage range: 2.0 to 9.0 V
Soft start function
Built-in CR oscillation circuit:
Oscillating frequency: 180 kHz (typ.) (A series)
Oscillating frequency: 50 kHz (typ.) (B series)
8-pin SSOP plastic package
8-bit built-in electric volume circuit
External transistor type is available (S-8331 Series)
Lead-free products
„ Applications
Power supplies for medium type or large type
LCD panel.
Power supplies for portable devices such as
pagers, handy calculators, and remote
controllers
Constant voltage power supplies for
cameras, video equipment, and
communication equipment
„ Package
Package name
8-Pin SSOP
Package
FS008-A
Drawing code
Tape
FS008-A
Reel
FS008-A
Seiko Instruments Inc.
1









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S-8330 Даташит, Описание, Даташиты
STEP-UP, FOR LCD BIAS SUPPLY, 1-CHANNEL SWITCHING REGULATOR
S-8330/8331 Series
„ Block Diagram
www.DataSheet4U.com
Rev.5.1_00
L
VIN
CO NT
SD
PWM
Contr ol
Cir cuit
CR Oscillation
Ci rc ui t
+
VREF
RESET
VOU T
VDIN
VCLK
+
CL
VSTR B
External
Transis tor
L
VIN
Rb EXT
Cb
VSS
ON/OF F
(1) S-8330 Series
(2) S-8331 Series
VSS
Figure 1 Block Diagram
„ Selection Guide
1. Product Name
S - 833 X X XX FS - T2 - G
2. Product list
Output voltage range (V)
8 to 20
10 to 22
12 to 24
14 to 26
16 to 28
18 to 30
S-8330AXXFS Series
S-8330A20FS-T2-G
S-8330A22FS-T2-G
S-8330A24FS-T2-G
S-8330A26FS-T2-G
S-8330A28FS-T2-G
S-8330A30FS-T2-G
Tape Specification
Package name (abbreviation)
Maximum Output voltage
Product category
A: fosc=180 kHz
B: fosc= 50 kHz
Power transistor
0: Built-in switch
1: External transistor
S-8330BXXFS Series
S-8330B20FS-T2-G
S-8330B22FS-T2-G
S-8330B24FS-T2-G
S-8330B26FS-T2-G
S-8330B28FS-T2-G
S-8330B30FS-T2-G
S-8331AXXFS Series
S-8331A20FS-T2-G
S-8331A22FS-T2-G
S-8331A24FS-T2-G
S-8331A26FS-T2-G
S-8331A28FS-T2-G
S-8331A30FS-T2-G
2 Seiko Instruments Inc.









No Preview Available !

S-8330 Даташит, Описание, Даташиты
Rev.5.1_00
www.DataSheet4U.com
STEP-UP, FOR LCD BIAS SUPPLY, 1-CHANNEL SWITCHING REGULATOR
S-8330/8331 Series
„ Pin Assignment
8-pin SSOP
Pin No. Symbol
Description
Top view
1 VDIN Electric volume data input pin
2 VCLK Electric volume clock input pin
3 VSTRB Electric volume strobe signal input pin
1 8 4 VOUT Output voltage pin
2 7 5 VIN Power supply pin
6 CONT External inductor connection pin (Note 1)
3 6 EXT External transistor connection pin (Note 2 )
4 5 Shutdown pin
7 ON / OFF “H”: normal operation
(stepping up operation)
Figure 2 Pin Assignment
“L”: stop stepping up operation
8 VSS GND pin
Note 1: S-8330 Series: Open drain output
Note 2: S-8331 Series: CMOS output
Seiko Instruments Inc.
3










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Номер в каталогеОписаниеПроизводители
S-8330Step-Up Switching Regulator (DC/DC Converter ICs)Seiko Instruments USA
Seiko Instruments USA
S-8331Step-Up Switching Regulator (DC/DC Converter ICs)Seiko Instruments USA
Seiko Instruments USA

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