TL1451

LINEAR INTEGRATED CIRCUIT

UNISONICTECHNOLOGIESCO.,LTD

3 of 14

www.unisonic.com.tw

QW-R103-011,C

PARAMETER

SYMBOL

VALUE

UNIT

Supply Voltage

51

V

Amplifier Input Voltage

20

V

Collector Output Voltage

51

V

Collector Output Current

21

mA

DIP-16

1000

SOP-16

500

Power Dissipation

TSSOP-16

700

mW

Junction Temperature

+125

°C

Operating Temperature

-20 ~ +85

°C

Storage Temperature

-40 ~ +150

°C

Note 1. 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.

2. The device is guaranteed to meet performance specification within 0℃ ~+70℃ operating temperature range

and assured by design from –20℃ ~ +85℃.

RECOMMENDED OPERATING CONDITIONS

PARAMETER

SYMBOL

MIN

TYP

MAX

UNIT

Supply Voltage

3.6

50

V

Amplifier Input Voltage

1.05

1.45

V

Collector Output Voltage

50

V

Collector Output Current(each Transistor)

20

mA

Current into Feedback Terminal

45

µA

Feedback Resistor

100

k

Ω

Timing Capacitor

150

15000

pF

Timing Resistor

5.1

100

k

Ω

Oscillator frequency

1

500

kHz

Operating Temperature

-20

85

°C

PARAMETER

SYMBOL

TEST CONDITIONS

MIN

TYP

MAX

UNIT

Reference Section

Output Voltage

2.4

2.5

2.6

V

-0.1

±1

Output Voltage Change with Temperature

-0.2

±1

%

Input Voltage Regulation

Vcc=3.6V ~ 40V

2

12.5

mV

Output Voltage Regulation

1

7.5

mV

Short-Circuit Output Current

3

10

30

mA

Undervoltage Lockout Section

Upper

2.72

V

Threshold Voltage (Vcc)

Lower

2.6

V

Hysteresis (Vcc)

80

120

mV

Reset Threshold voltage (Vcc)

1.5

1.9

V

Short-Circuit Protection Control Section

Input Threshold Voltage(SCP)

0.65

0.7

0.75

V

Standby Voltage(SCP)

No pullup

140

185

230

mV

Latched Input Voltage (SCP)

No pullup

60

120

mV

Input (source) Current

-10

-15

-20

µA

Comparator Threshold Voltage (FEEDBACK)

1.18

V