TOP222PN Power Integrations, TOP222PN Datasheet - Page 3
![IC OFFLINE SWIT PWM OCP HV 8DIP](/photos/7/32/73236/596-8-dip_sml.jpg)
TOP222PN
Manufacturer Part Number
TOP222PN
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 TOP222PN
Output Isolation
Isolated
Frequency Range
90 ~ 110kHz
Voltage - Output
700V
Power (watts)
15W
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
Filter Terminals
DIP
Rohs Compliant
Yes
Operating Temperature Max
150°C
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
TOP222PN
Manufacturer:
POWER
Quantity:
15 000
Part Number:
TOP222PN
Manufacturer:
POWER
Quantity:
20 000
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