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U9751B-R16-T 데이터시트(PDF) 4 Page - E-Tech Electronics LTD

부품명 U9751B-R16-T
상세설명  DOUBLE CHANNELS PWM CONTROLLER
PDF  6 Pages
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제조업체  ETL [E-Tech Electronics LTD]
홈페이지  http://e-tech.com.hk
Logo ETL - E-Tech Electronics LTD

U9751B-R16-T 데이터시트(HTML) 4 Page - E-Tech Electronics LTD

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U9751B
LINEAR INTEGRATED CIRCUIT
UNISONICTECHNOLOGIESCO.,LTD
4 of 6
www.unisonic.com.tw
QW-R103-034,A
ABSOLUTE MAXIMUM RATINGS
PARAMETER
SYMBOL
RATINGS
UNIT
Supply Voltage
VCC
+38
V
Differential Input Voltage
VI(DIFF)
+20
V
Output Voltage
VOUT
+38
V
Output Current
IOUT
+450
mA
Maximum Junction Temperature
TJ
+150
℃
Operating Temperature
TOPR
-20 ~ +85
℃
Storage Temperature
TSTG
-55 ~ +150
℃
Note: Absolute maximum ratings are those values beyond which the device could be permanently damaged.
Absolute maximum ratings are stress ratings only and functional device operation is not implied.
DC ELECTRONIC CHARACTERISTICS
VCC=6V, f=200kHz (unless otherwise specified)
PARAMETER
SYMBOL
TEST CONDITIONS
MIN
TYP
MAX
UNIT
Reference section
Internal Reference Voltage
VREF
IOUT =1mA
2.40
2.46
2.53
V
VREF Regulation with VCC
V
△ REF
VCC =3.6V ~ 40V
3.5
mV
VREF Regulation with IO(REF)
V
△ REF
IOUT = 0.1mA to 1mA
2
mV
TA=-20℃~ 25℃
-0.1%
±1%
VREF Regulation with Temperature
TA=25℃ ~ 85℃
-0.2%
±1%
Short-Circuit Output Current
IO(SC)
VOUT =0
18
22
30
mA
Undervoltage Lockout Section
threshold Voltage(VCC)
VTHR
IO(REF) = 0.1mA,TA=25℃
2.5
2.8
3.2
V
Short-Circuit Protection Control Section
SCP Input Threshold Voltage
VI(THR)
TA= 25℃
1.2
1.3
1.5
V
SCP Comparator Threshold Voltage
VCOM(THR)
1.26
V
SCP Standby Voltage
VSTN-BY
No pull-up
110
220
mV
SCP Latched Input voltage
VI(LTH)
No pull-up
77
200
mV
Input (Source) Current
II(SOURCE)
VIN=0.7V, TA=25℃
-1.5
-2.0
-2.5
µA
Oscillator Section
Frequency
f
CT=220pF, RT=10K
400
KHZ
Deviation of Frequency
△
f
CT=220pF, RT=10K
10%
Frequency Regulation with Voltage
△
f/△V
VCC=3.6V to 40V
1%
TA=-20℃ ~ 25℃
-0.4%
±2%
Frequency Regulation with Temperature
△
f/△T
TA=25℃ ~ 85℃
-0.2%
±2%
Dead-time control section
Latched Input Voltage
VI(LTH)
IOUR（DTC）=40µA
1.9
V
Zero duty cycle
1.75
1.95
2.15
Input Threshold Voltage at f=10kHZ
VI(THR)
Maximum duty cycle
1.3
1.45
1.7
V
Input Bias Current
II(BIAS)
0.2
1
µA
Latch Mode (Source) Current
ISOURCE
TA=25℃
-620
µA
Error-Amplifier Section
Input Offset Voltage
VI(OFF)
VO(FB)=1.25V
±6
mV
Common-Mode Input Voltage Range
VI(CM)
VCC=3.6V to 40 V
0.3
1.6
V
Positive Output Voltage Swing
VO(POS)
VREF-0.2
V
Negative Output Voltage Swing
VO(NEG)
1
V
Input Offset Current
II(OFF)
VO(FB)=1.25V
±100
nA



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