TD1509 Techcode Semiconductor, TD1509 Datasheet - Page 5

• Manufacturer Part Number: TD1509
• Description: 2A 150KHZ PWM Buck DC/DC Converter
• Manufacturer: Techcode Semiconductor

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Absolute Maximum Ratings
Note1: Stresses greater than those listed under Maximum Ratings may cause permanent damage to the
device. This is a stress rating only and functional operation of the device at these or any other conditions
above those indicated in the operation is not implied. Exposure to absolute maximum rating conditions
for extended periods may affect reliability.
Electrical Characteristics
Unless otherwise specified, Vin = 12V. Iload = 0.5A, Ta = 25℃.
December, 20, 2005.
2A 150KHZ PWM Buck DC/DC Converter
Parameter
Supply Voltage Vin
Feedback VFB pin voltage
ON/OFF Pin voltage
Output pin voltage
Output Voltage to Ground (Steady State)
Power Dissipation
Operating Temperature Range
Storage Temperature
Lead Temperature (Soldering, 10 sec)
ESD(HM)
Thermal Resistance-Junction to Ambient(RθJA)
Thermal Resistance-Junction to Case(RθJC)
Symbol
I
I
I
F
V
I
I
I
b
Q
STBY
CL
L
L
OSC
SAT
Feedback bias current
Quiescent current
Standby quiescent current
Oscillator frequency
Saturation voltage
Current Limit
Output leakage current
Output leakage current
Parameter
V
V
ON/OFF=5V, V
I
Peak Current (V
Output=0V (V
Output=-1V (V
OUT
FB
FB
=1.3V
=12V force driver off
=2A
Conditions
5
FB
IN
IN
=12V)
=32V)
FB
=36V
=0V)
Internally limited
-0.3 to Vin+0.3
-0.3 to Vin+0.3
-0.3 to Vin+0.3
-40 to +125
-65 to +150
-0.3 to 45
Value
2000
260
85
45
-1
127
Min.
Techcode Semiconductor Limited
10
5
50
150
1.10
3.8
2
Typ.
50/100
10
100
173
1.3
50
30
Datasheet
Max.
ºC / W
ºC / W
TD1509
Unit
ºC
ºC
ºC
W
V
V
V
V
V
V
nA
mA
uA
KHz
V
A
uA
mA
Uni
t