TOP223PN Power Integrations, TOP223PN Datasheet - Page 3
TOP223PN
Manufacturer Part Number
TOP223PN
Description
IC OFFLINE SWIT PWM OCP HV 8DIP
Manufacturer
Power Integrations
Series
TOPSwitch®-IIr
Type
Off Line Switcherr
Datasheet
1.TOP222GN-TL.pdf
(20 pages)
Specifications of TOP223PN
Output Isolation
Isolated
Frequency Range
90 ~ 110kHz
Voltage - Output
700V
Power (watts)
25W
Operating Temperature
-40°C ~ 150°C
Package / Case
8-DIP (0.300", 7.62mm)
Output Voltage
5.7 V
Input / Supply Voltage (max)
265 VAC
Input / Supply Voltage (min)
85 VAC
Duty Cycle (max)
70 %
Switching Frequency
100 KHz
Supply Current
1.2 mA
Operating Temperature Range
- 40 C to + 150 C
Mounting Style
Through Hole
Supply Voltage
265VAC
Digital Ic Case Style
DIP
No. Of Pins
8
No. Of Regulated Outputs
1
Operating Temperature Max
150°C
Rohs Compliant
Yes
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
596-1157-5
TOP223PN
TOP223PN
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
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Manufacturer:
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Quantity:
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Manufacturer:
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TOPSwitch-II Family Functional Description
TOPSwitch is a self biased and protected linear control current-
to-duty cycle converter with an open drain output. High
efficiency is achieved through the use of CMOS and integration
of the maximum number of functions possible. CMOS process
significantly reduces bias currents as compared to bipolar or
discrete solutions. Integration eliminates external power
resistors used for current sensing and/or supplying initial start-
up bias current.
During normal operation, the duty cycle of the internal output
MOSFET decreases linearly with increasing CONTROL pin
current as shown in Figure 4. To implement all the required
control, bias, and protection functions, the DRAIN and
CONTROL pins each perform several functions as described
below. Refer to Figure 2 for a block diagram and to Figure 6 for
timing and voltage waveforms of the TOPSwitch integrated
circuit.
Figure 5. Start-up Waveforms for (a) Normal Operation and (b) Auto-restart.
DRAIN
DRAIN
V C
V C
5.7 V
4.7 V
5.7 V
4.7 V
V IN
V IN
0
0
0
0
Charging C T
Charging C T
C
T
connected to the CONTROL pin
Off
Off
I C
I C
is the total external capacitance
Switching
(a)
(b)
Discharging C T
Figure 4. Relationship of Duty Cycle to CONTROL Pin Current.
Off
I CD1
95%
8 Cycles
D MAX
D MIN
Switching
Auto-restart
I CD1
Switching
5%
2.0
Discharging C T
I B
I CD2
Off
I C (mA)
Slope = PWM Gain
TOP221-227
6.0
PI-1956-092496
7/01
PI-2040-050197
D
3