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3521 Datasheet(PDF) 3 Page - Unisonic Technologies

Part # 3521
Description  CMOS IC
PDF  4 Pages
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Manufacturer  UTC [Unisonic Technologies]
Direct Link  http://www.utc-ic.com
Logo UTC - Unisonic Technologies

3521 Datasheet(HTML) 3 Page - Unisonic Technologies

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UTC3521
CMOS IC
UTC UNISONIC TECHNOLOGIES CO., LTD.
3
www.unisonic.com.tw
QW-R502-034,A
ELECTRICAL CHARACTERISTICS
(Ta=25℃, VCC =5V, unless otherwise noted.)
PARAMETER
SYMBOL
TEST CONDITIONS
MIN
TYP
MAX
UNIT
DEAD TIME CONTROL SECTION
Input Threshold Voltage
Vthdt
ZERO DUTY CYCLE
MAX. DUTY CYCLE
3.0
0.1
3.3
V
ERROR AMP SECTION
Close Loop Voltage Gain
0.5V ~ 3.5V
65
dB
Cross Over Point
0dB
320
KHz
Opneg Bias Voltage
OPNEG OPEN
2.38
2.45
2.52
V
OUTPUT SECTION
Output Saturation Voltage
Vdssat
Id=200mA
1.1
1.3
V
Drain Off-State Current
Idoff
Vcc=Vd=Vs=0V
2
10
μA
Rising Time
Tr
100
200
ns
Falling Time
Tf
50
200
ns
PROTECTION SECTION
Over Voltage Protection (OVP)
V33
V5
V12
PT
3.8
5.8
4.41
1.2
4.1
6.2
4.64
1.25
4.3
6.6
4.90
1.3
V
Under Voltage Protection (UVP)
V33
V5
V12
1.78
2.70
2.11
1.98
3.00
2.37
2.18
3.30
2.63
V
UVP Disable Voltage
PT
0.55
0.62
0.68
V
UVP Delay Time
Td,uvp
100
250
500
ms
REMOTE ON/OFF SECTION
REM High Input Voltage
Vremh
2.0
V
REM Low Input Voltage
Vreml
0.8
V
REM Pull High Voltage
Vremo
2.0
5.25
V
REM Delay Time
Trem
30
36
42
ms
REM Off Delay Time
Toff
3.5
4.5
5.5
ms
POWER GOOD SECTION
Detecting Input Voltage
Vdet
0.55
0.62
0.68
V
PG Output Pull-up Resistor
Rpup.pg
4
KΩ
PG Output Load Resistor
Rpg
0.5
1
2
KΩ
Charging Current For TPG
Ichg.tpg
30
μA
PG Delay Time
Td.pg
C=2.2μF
100
250
500
ms
Output Saturation Voltage
Vsat.pg
Ipg=10mA
0.2
0.4
V
TOTAL DEVICE
Standby Supply Current
Icc
10
20
mA
OSCILLATION SECTION
Oscillation Frequency
Fosc
CT=2200P
50
60
KHz
Frequency Change With TEMP.
Fosc/T
CT=2200P
2
%



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