TL1451 Просмотр технического описания (PDF) - Unisonic Technologies
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TL1451 Datasheet PDF : 14 Pages
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TL1451
LINEAR INTEGRATED CIRCUIT
ELECTRICAL CHARACTERISTICS(Cont.)
PARAMETER
Oscillator Section
Frequency
Standard deviation of frequency
Frequency Change with Voltage
Frequency Change with Temperature
Dead-Time Control Section
Input bias Current (DTC)
Latch mode (source) Current (DTC)
Latched Input Voltage (DTC)
Input threshold Voltage at f=10kHz (DTC)
Error-Amplifier Section
Input Offset Voltage
Input Offset Current
Input Bias current
Common-Mode Input Voltage Range
Open-loop Voltage Amplification
Unity-gain Bandwidth
Common-mode Rejection Ratio
Positive Output Voltage Swing
Negative Output Voltage Swing
Output (sink) Current (FEEDBACK)
Output (source) Current (FEEDBACK)
Output Section
Collector off-state Current
Output Saturation Voltage
Short-Circuit Output Current
PWM Comparator Section
Input Threshold Voltage at f=10kHz
(FEEDBACK)
TOTAL DEVICE
Standby Supply Current
Average Supply Current
SYMBOL TEST CONDITIONS
MIN TYP
F
CT=330pF, RT=10kΩ
CT=330pF, RT=10kΩ
Vcc=3.6V ~ 40V
TA=-20°C ~ 25°C
TA=25°C ~ 85°C
200
10%
1%
-0.4
-0.2
IIN(BIAS)
VIN
VIN(THR)
IOUT=40µA
Zero duty cycle
Maximum duty cycle
-80 -145
2.3
2.05
1.2 1.45
VIN(OFF) VOUT (FEEDBACK)=1.25V
IIN(OFF) VOUT (FEEDBACK)=1.25V
IIN(BIAS) VOUT (FEEDBACK)=1.25V
160
VIN(CM) Vcc=3.6V ~ 40V
1. 05~
1.45
RF=200kΩ
70
80
BG
1.5
RR
60
80
VOUT
Vref-0.1
VOUT
IOUT(SIN) VID=-0.1V, VOUT=1.25V
0.5 1.6
IOUT(SOU) VID=0.1V, VOUT=1.25V
-45 -70
IOFF VOUT=50V
VOUT(SAT) IOUT=10mA
1.2
IOUT(SHT) VOUT=6V
90
Zero duty cycle
VI(THR) Maximum duty cycle
2.05
1.2 1.45
ISTN-BY Off-state
1.3
RT=10kΩ
1.7
MAX UNIT
kHz
±2
%
±2
1 µA
µA
V
2.25 V
±6 mV
±100 nA
500 nA
V
dB
MHz
dB
V
1
V
mA
µA
10 µA
2
V
mA
2.25
V
1.8 mA
2.4 mA
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
4 of 14
QW-R103-011,C
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