UTC TL1451
range)
LINEAR INTEGRATED CIRCUIT
ABSOLUTE MAXIMUM RATINGS
(Unless otherwise noted all is over operating free air temperature
PARAMETER
Supply Voltage
Amplifier Input Voltage
Collector Output Voltage
Collector Output Current
Power Dissipation : TA≤25°C
DIP
SOP
Operating free-air Temperature Range
Storage Temperature Range
Lead Temperature 1.6mm from Case for 10
Sec.
SYMBOL
V
CC
V
I
V
O
I
O
VALUE
51
20
51
21
1000
500
-20 TO 85
-65 TO 150
260
UNIT
V
V
V
mA
mW
T
A
Tstg
Tcase
°C
°C
°C
RECOMMENDED OPERATING CONDITIONS
PARAMETER
Supply Voltage
Amplifier Input Voltage
Collector Output Voltage
Collector Output Current(each Transistor)
Current into Feedback Terminal
Feedback Resistor
Timing Capacitor
Timing Resistor
Oscillator frequency
Operating Free-Air Temperature
SYMBOL
MIN
Vcc
Vi
Vo
Io
R
F
C
T
R
T
T
A
3.6
1.05
VALUE
MAX
50
1.45
50
20
45
15000
100
500
85
UNIT
V
V
V
mA
µA
kΩ
pF
kΩ
kHz
°C
100
150
5.1
1
-20
ELECTRICAL CHARACTERISTICS
(Over recommended operating free-air temperature range,V
CC
=6V,f=200kHz,TA=25
°C
,Unless otherwise
specified)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX UNIT
Reference Section
Output Voltage
Output Voltage Change with Temperature
Input Voltage Regulation
Output Voltage Regulation
Short-Circuit Output Current
Io=1mA
T
A
=-20°C to 25°C
T
A
=25°C to 85°C
Vcc=3.6V to 40V
Io=0.1mA to 1mA
Vo=0
2.4
2.5
-0.1
-0.2
2
1
10
2.72
2.6
120
1.9
0.7
0.75
2.6
±1%
±1%
12.5
7.5
30
V
3
mV
mV
mA
V
V
mV
V
V
Undervoltage Lockout Section
Upper Threshold Voltage (Vcc)
Lower Threshold Voltage (Vcc)
Hysteresis (Vcc)
Reset Threshold voltage (Vcc)
Io(ref)=0.1mA, T
A
=25°C
80
1.5
0.65
Short-Circuit Protection Control Section
Input Threshold Voltage(SCP)
TA=25°C
UTC
UNISONIC TECHNOLOGIES CO., LTD.
3
QW-R103-011,A
UTC-IC [ UNISONIC TECHNOLOGIES ]
