Datasheet
TOP221-227
D
7/01
10
ABSOLUTE MAXIMUM RATINGS
(1)
DRAIN Voltage ............................................ -0.3 to 700 V
DRAIN Current Increase (∆I
D
) in 100 ns except during
blanking time ......................................... 0.1 x I
LIMIT(MAX)
(2)
CONTROL Voltage ..................................... - 0.3 V to 9 V
CONTROL Current ...............................................100 mA
Storage Temperature ..................................... -65 to 150 °C
Notes:
1. All voltages referenced to SOURCE, T
A
= 25 °C.
2. Related to transformer saturation – see Figure 13.
3. Normally limited by internal circuitry.
4. 1/16" from case for 5 seconds.
Operating Junction Temperature
(3)
................ -40 to 150 °C
Lead Temperature
(4)
................................................ 260 °C
Thermal Impedance: Y Package (θ
JA
)
(5)
.................70 °C/W
(θ
JC
)
(6)
...................2 °C/W
P/G Package:
(θ
JA
) .........45 °C/W
(7)
; 35 °C/W
(8)
(θ
JC
)
(6)
...............................11 °C/W
5. Free standing with no heatsink.
6. Measured at tab closest to plastic interface or SOURCE pin.
7. Soldered to 0.36 sq. inch (232 mm
2
), 2 oz. (610 gm/m
2
) copper clad.
8. Soldered to 1 sq. inch (645 mm
2
), 2 oz. (610 gm/m
2
) copper clad.
90 100 110
64 67 70
0.7 1.7 2.7
-21 -16 -11
-0.05
0.8 2.0 3.3
10 15 22
0.18
-2.4 -1.9 -1.2
-2 -1.5 -0.8
0.4
f
OSC
D
MAX
D
MIN
I
B
Z
C
I
C
CONTROL FUNCTIONS
Output
Frequency
Maximum
Duty Cycle
Minimum
Duty Cycle
PWM
Gain
PWM Gain
Temperature Drift
External
Bias Current
Dynamic
Impedance
Dynamic Impedance
Temperature Drift
CONTROL Pin
Charging Current
Charging Current
Temperature Drift
kHz
%
%
%/mA
%/mA/°C
mA
Ω
%/°C
mA
%/°C
SHUTDOWN/AUTO-RESTART
Conditions
(Unless Otherwise Specified)
See Figure 14
SOURCE = 0 V; T
J
= -40 to 125 °C
Min Typ Max
Parameter
Symbol
Units
I
C
= 4 mA, T
J
= 25 °C
I
C
= I
CD1
+ 0.4 mA, See Figure 10
I
C
= 10 mA, See Figure 10
I
C
= 4 mA, T
J
= 25 °C
See Figure 4
See Note A
See Figure 4
I
C
= 4 mA, T
J
= 25 °C
See Figure 11
V
C
= 0 V
T
J
= 25 °C
V
C
= 5 V
See Note A