top412 Power Integrations, Inc., top412 Datasheet - Page 8

• Manufacturer Part Number: top412
• Description: Three-terminal Dc To Dc Pwm Switch
• Manufacturer: Power Integrations, Inc.

DRAIN Voltage ............................................ -0.3 to 350 V
CONTROL Voltage ..................................... - 0.3 V to 9 V
Storage Temperature ..................................... -65 to 150 °C
Notes:
Output
Frequency
Maximum
Duty Cycle
Minimum
Duty Cycle
PWM
Gain
PWM Gain
Temperature Drift
External
Bias Current
Dynamic
Impedance
Dynamic Impedance
Temperature Drift
1. All voltages referenced to SOURCE, T
2. Normally limited by internal circuitry.
3. 1/16" from case for 5 seconds.
Thermal Impedance (θ
Thermal Impedance (θ
8
TOP412/414
CONTROL FUNCTIONS
Specification
A
4/99
JA
JC
) ................................... 35 °C/W
) ..................................... 11 °C/W
Symbol
DC
DC
f
Z
OSC
I
B
MAX
C
MIN
ABSOLUTE MAXIMUM RATINGS
A
= 25 °C.
I
(Unless Otherwise Specified)
C
THERMAL IMPEDANCE
= I
See Figure 9
I
C
CD1
I
I
I
C
C
C
T
= 10 mA,
SOURCE = 0 V
J
= 4 mA, T
= 4 mA, T
= 4 mA, T
+ 0.5 mA, See Figure 9
Conditions
See Figure 11
See Figure 10
= -40 to 125 °C
See Figure 4
See Figure 4
See Note A
(1)
1. Soldered to 1 sq. inch (645 mm
Operating Junction Temperature
Lead Temperature
J
J
J
= 25 °C
= 25 °C
= 25 °C
TOP412
TOP414
(3)
................................................ 260 °C
Min
(1)
108
-21
1.0
1.3
1.5
64
10
2
(2)
), 2 oz. (610 g/m
Typ
-0.05
0.18
................ -40 to 150 °C
120
-16
1.8
2.1
2.5
67
15
Max
132
-11
3.0
3.3
70
22
4
2
) copper clad.
%/mA/°C
Units
%/mA
%/°C
kHz
mA
%
%
Ω