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UTCTL1451 Datasheet(PDF) 4 Page - Unisonic Technologies

Part No. UTCTL1451
Description  DUAL PULSE-WIDTH-MODULATION CONTROL CIRCUITS
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Manufacturer  UTC [Unisonic Technologies]
Direct Link  http://www.utc-ic.com
Logo UTC - Unisonic Technologies

UTCTL1451 Datasheet(HTML) 4 Page - Unisonic Technologies

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UTCTL1451
LINEAR INTEGRATED CIRCUIT
UTC UNISONIC TECHNOLOGIES CO., LTD.
4
QW-R103-011,A
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
Standby Voltage(SCP)
No pullup
140
185
230
mV
Latched Input Voltage (SCP)
No pullup
60
120
mV
Input (source) Current
VI=0.7V,TA=25
°C
-10
-15
-20
µA
Comparator Threshold Voltage (FEEDBACK)
1.18
V
Oscillator Section
Frequency
CT=330pF, RT=10k
200
kHz
Standard deviation of frequency
CT=330pF, RT=10k
10%
Frequency Change with Voltage
Vcc=3.6V to 40V
1%
Frequency Change with Temperature
TA=-20
°C to 25°C
TA=25
°C to 85°C
-0.4%
-0.2%
±2%
±2%
Dead-Time Control Section
Input bias Current (DTC)
1
µA
Latch mode (source) Current (DTC)
TA=25
°C
-80
-145
µA
Latched Input Voltage (DTC)
Io=40
µA
2.3
V
Input threshold Voltage at f=10kHz (DTC)
Zero duty cycle
Maximum duty cycle
1.2
2.05
1.45
2.25
V
Error-Amplifier Section
Input Offset Voltage
Vo (FEEDBACK)=1.25V
±6
mV
Input Offset Current
Vo (FEEDBACK)=1.25V
±100
nA
Input Bias current
Vo (FEEDBACK)=1.25V
160
500
nA
Common-Mode Input Voltage Range
Vcc=3.6V to 40V
1.05 to
1.45
V
Open-loop Voltage Amplification
RF=200k
70
80
dB
Unity-gain Bandwidth
1.5
MHz
Common-mode Rejection Ratio
60
80
dB
Positive Output Voltage Swing
Vref-
0.1
V
Negative Output Voltage Swing
1
V
Output (sink) Current (FEEDBACK)
VID=-0.1V,Vo=1.25V
0.5
1.6
mA
Output (source) Current (FEEDBACK)
VID=-0.1V,Vo=1.25V
-45
-70
µA
Output Section
Collector off-state Current
Vo=50V
10
µA
Output Saturation Voltage
Io=10mA
1.2
2
V
Short-Circuit Output Current
Vo=6V
90
mA
PWM Comparator Section
Input Threshold Voltage at
f=10kHz (FEEDBACK)
Zero duty cycle
Maximum duty cycle
1.2
2.05
1.45
2.25
V
TOTAL DEVICE
Standby Supply Current
Off-state
1.3
1.8
mA
Average Supply Current
RT=10k
1.7
2.4
mA


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