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PDF U9751B Data sheet ( Hoja de datos )

Número de pieza U9751B
Descripción DOUBLE CHANNELS PWM CONTROLLER
Fabricantes Unisonic Technologies 
Logotipo Unisonic Technologies Logotipo



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No Preview Available ! U9751B Hoja de datos, Descripción, Manual

UNISONIC TECHNOLOGIES CO., LTD
U9751B
LINEAR INTEGRATED CIRCUIT
DOUBLE CHANNELS PWM
CONTROLLER
DESCRIPTION
The UTC U9751B consists of two PWM control circuits. Two
PWM controllers is independent each other. It is low cost in many
applications.
FEATURES
* Switch frequency: 400KHz
* ISINK =400mA
* Wide work voltage
* Programmable dead-time control
* UVLO protection
* SCP protection
* Lower static supply current
SOP -16
DIP-16
SSOP-16(150mil)
*Pb-free plating product number: U9751BL
APPLICATION
* DC/DC converters for video cameras backlight inwvwewr.DteatarShaenet4dU.com
notebook computers etc.
ORDER INFORMATION
Order Number
Normal
Lead Free Plating
U9751B-D16-T
U9751BL-D16-T
U9751B-S16-R
U9751BL-S16-R
U9751B-S16-T
U9751BL-S16-T
U9751B-R16-R
U9751BL-R16-R
U9751B-R16-T
U9751BL-R16-T
Package
DIP-16
SOP-16
SOP-16
SSOP-16
SSOP-16
Packing
Tube
Tape Reel
Tube
Tape Reel
Tube
U9751BL-D16-R
(1)Packing Type
(2)Package Type
(3)Lead Plating
(1) R: Tape Reel, T: Tube
(2) D16: DIP-16, S16: SOP-16, R16: SSOP-16
(3) L: Lead Free Plating, Blank: Pb/Sn
www.unisonic.com.tw
Copyright © 2005 Unisonic Technologies Co., Ltd
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U9751B pdf
U9751B
LINEAR INTEGRATED CIRCUIT
DC ELECTRONIC CHARACTERISTICS(Cont.)
PARAMETER
Input Bias Current
Output Sink Current
Output Source Current
Common-Mode Rejection Ratio
Open-Loop Voltage Gain
Unity-Gain Bandwidth
Output Section
Output Saturation Voltage
Short-Circuit Output Current
Off-State Current
PWM Comparator Section
Input Threshold Voltage at f=10kHz
Total Device
Standby Supply Current
Average Supply Current
SYMBOL
II(BIAS)
IO(SINK)
IO(SOURCE)
CMRR
GVO
GBW
TEST CONDITIONS
VO(FB)=1.25V
VI(DIFF)=-0.1V,VOUT=1.25V
VI(DIFF)=0.1V,VOUT =1.25V
RF=200K
MIN
1
-45
60
70
VO(SAT)
IO(SC)
IO(OFF)
IOUT=10mA
VOUT =6V
VOUT =50V
VI(THR)
Zero duty cycle
Maximum duty cycle
1.75
1.3
ISTN-BY
IAVE
Off-state
RT =10K
TYP
160
4.0
-90
80
80
1.5
MAX
500
UNIT
nA
mA
µA
dB
dB
MHZ
0.7 1
V
450 mA
10 µA
1.95 2.15
1.45 1.8
V
1.7 mA
2.0 2.6 mA
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
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