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UTC51494

Linear Integrated Circuit

Unisonic Technologies 

UTC 51494 LINEAR INTEGRATED CIRCUIT

ELECTRICAL CHARACTERISTICS

(Unless otherwise specified , Ta=0~70°C ,VCC=15V,f=10kHz,)

PARAMETER

SYMBOL

TEST CONDITIONS

Reference Section

Reference voltage

Vref Iref =1.0mA

Line Regulation

Vline 7V<Vcc<40V

Load Regulation

Viload 1mA<Iref<5mA

Temperature Coefficient

0°C <Fa<70°C

Oscillator section

Oscillator Frequency

Fosc CT=0.01µF,RT=12kΩ

Oscillator Frequency Change

∆fosc CT=0.01µF,RT=12kΩ

Over Operating Temperature

Range

Dead Time Control Section

Input Bias Current ( Pin 4 )

Iib(dt) Vcc =15V ; 0V<V4<5.25V

Maximum Duty cycle,

Dc(max) Vcc = 15V; Pin 4 = 0V

Each output

Output Control Pin = Vref

Input Threshold Voltage :

Vth

Zero Duty

Max Duty

Error Amplifier Section

Input offset Voltage

Vics V3=2.5V

Input offset Current

Iics V3=2.5V

Input bias Current

Iib V3=2.5V

Input Common-mode Voltage

Vicr 7V <Vcc< 40V

Range

Large Signal Open-Loop Voltage

Gvo 0.5V < V3 < 3.5V

Range

Unity-Gain Band width

fc

Output Section

Collector off-state current

Ic(off) VCC=VC=40V,VE=0

Emitter off-state Current

Ie(off) VCC=VC=40V,VE=0

Output Saturation Voltage

Vce(sat) VE=15V,Lc=200mA

Common-Emitter

Output Control (pin13)

Standby Power Supply Current

Icc

Output AC Characteristic

Raise Time

Tr

Common-Emitter

Fall Time

Tr

Common-Emitter

PWM Comparator Section

Inhibit Threshold Voltage

Vthi Zero Duty cycle

Output Source Current

Io+ 0.5V < V3 < 3.5V

Output Sink Current

Io- 0.5V < V3 < 3.5V

MIN TYP MAX UNIT

4.75 5 5.25 V

2

25 mV

1

15 mV

0.01 0.03 %/°C

10

kHz

2

%

-2

-10 µA

43

45

%

3

3. 3

V

0

2

10 mV

25 250 nA

0.2

1

µA

-0.3

Vcc V

60

74

dB

650

kHz

2

100 µA

-100 µA

1.1 1.3

V

6

10 mA

100 200 ns

25 100 ns

4

4.5

V

2

mA

-0.2 -0.6

mA

UTC UNISONIC TECHNOLOGIES CO. LTD 2

QW-R103-005,A

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