TOP233 View Datasheet(PDF) - Power Integrations, Inc
Part Name
Description
MFG CO.
TOP233 Datasheet PDF : 36 Pages
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TOP232-234
ABSOLUTE MAXIMUM RATINGS(1)
DRAIN Voltage ............................................ -0.3 to 700 V
DRAIN Peak Current: TOP232 ................................. 0.8 A
TOP233 ................................. 1.6 A
TOP234 ................................. 2.4 A
CONTROL Voltage .......................................... -0.3 to 9 V
CONTROL Current ...............................................100 mA
MULTI-FUNCTION Pin Voltage .................... -0.3 to 9 V
FREQUENCY Pin Voltage ............................... -0.3 to 9 V
Storage Temperature ..................................... -65 to 150 °C
Operating Junction Temperature(2) ................ -40 to 150 °C
Lead Temperature(3) ................................................ 260 °C
Notes:
1. All voltages referenced to SOURCE, TA = 25 °C.
2. Normally limited by internal circuitry.
3. 1/16" from case for 5 seconds.
THERMAL IMPEDANCE
Thermal Impedance: Y Package (θJA)(1) ............... 70 °C/W
(θ )(2) ................. 2 °C/W
JC
P/G Package:
(θJA) ........ 45 °C/W(3); 35 °C/W(4)
(θ )(5) .......................... 11 °C/W
JC
Notes:
1. Free standing with no heatsink.
2. Measured at the back surface of tab.
3. Soldered to 0.36 sq. inch (232 mm2), 2oz. (610 gm/m2) copper clad.
4. Soldered to 1 sq. inch (645 mm2), 2oz. (610 gm/m2) copper clad.
5. Measured on the SOURCE pin close to plastic interface.
Parameter
Conditions
Symbol
(Unless Otherwise Specified)
See Figure 34
SOURCE = 0 V; TJ = -40 to 125 °C
Min
CONTROL FUNCTIONS
Switching
Frequency
fOSC
(average)
Frequency Jitter
Deviation
Frequency Jitter
Modulation Rate
Maximum Duty
Cycle
Minimum Duty
Cycle (Prior to
Cycle Skipping)
∆f
fM
DC
MAX
DCMIN
IC = 4 mA;
FREQUENCY Pin
Connected to SOURCE
124
TJ = 25 °C
FREQUENCY Pin
Connected to CONTROL
61.5
132 kHz Operation
66 kHz Operation
IC = ICD1
IM ≤ IM(DC)
IM = 190 µA
75.0
35.0
0.8
Typ
132
66
±4
±2
250
78.0
47.0
1.5
Max
140
70.5
82.0
57.0
2.7
Units
kHz
kHz
Hz
%
%
Soft Start Time
t
SOFT
TJ = 25 °C; DCMIN to DCMAX
10
14
ms
PWM
Gain
IC = 4 mA; TJ = 25 °C
-27
-22
-17
%/mA
24 B
7/01
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