This page contains information on Power Factor Correction ICs.
Features
-
Wide electric power range (From 25W to 10kW)
-
-
Protect functions (FB pin open short/Over voltage, etc.)
Critical Conduction Mode PFC Control IC
| Generation |
Type Name |
Input
voltage |
Current
sense |
Under-voltage
lockout
(ON/OFF) |
Frequency |
Maximum
frequency |
Zero
Current
Detection |
FB open short
protection |
Over
voltage
protection |
Remarks |
4th
generation |
FA1B00N |
10 - 24V |
Positive |
13.0V/9.0V |
Self-
oscillation |
Adjustable |
Auxiliary
winding |
✓ |
Dynamic OVP
+
Voltage-Limit
(VCC, OVP) |
Successor to FA5601N |
| FA1B10N |
Fixed |
THD improvement function,
X-Cap. discharge function,
650V startup circuit,
Cooperate with FA6C64N |
| FA1B20N |
10 - 26V |
Negative |
12.5V/7.5V |
Current
sense |
Cooperate with FA6C6X |
3rd
generation |
FA1A00N |
10 - 26V |
Negative |
9.6V/8.8V |
Self-
oscillation |
Fixed |
Current
sense |
✓ |
Dynamic OVP
+
Voltage-Limit
(OVP) |
|
| FA1A01N |
12.4V/8.8V |
|
| FA1A10N |
9.6V/8.8V |
|
| FA1A11N |
12.4V/8.8V |
|
| FA1A50N |
9.6V/8.8V |
|
| FA1A60N |
12.5V/7.5V |
Improve light load efficiency,
Cooperate with
FA6B19N/20N/22N |
| FA1A61N |
✓
(Open protection only) |
Improve transient response,
Cooperate with FA6B21N |
| FA1A21N |
Positive |
17.3V/9.6V |
Auxiliary
winding |
– |
Dynamic OVP
+
Voltage-Limit
(VCC, OVP) |
For Flyback
Over load protection |
2nd
generation |
FA5590N |
10 - 26V |
Negative |
9.6V/9.0V |
Self-
oscillation |
Adjustable |
Current
sense |
✓ |
Dynamic OVP
+
Voltage-Limit
(OVP) |
|
| FA5591N |
13.0V/9.0V |
|
| FA5696N |
9.6V/9.0V |
|
PKG: SOP-8
Continuous Conduction Mode PFC Control IC
| Type Name |
Input
voltage |
Max
Duty |
Current
sense |
Under-voltage
lockout
(ON/OFF) |
Frequency |
Maximum
frequency |
FB open short
protection |
Over
voltage
protection |
Remarks |
| FA5612N |
10 - 26V |
94% |
Negative |
9.6V/9.0V |
Choice
65/60kHz /
Frequency
diffusion
(50-70kHz) |
– |
✓ |
Voltage-Limit
by Pulse width |
Frequency diffusion function |
| FA5613N |
13.0V/9.0V |
Adjustable |
| FA5502M |
10 - 28V |
16.5V/8.9V |
150kHz |
– |
Voltage-Limit
（OVP） |
OVP pin,
ON/OFF
pin,
Sync pin |
PKG: "M": SOP-16(M), others: SOP-8(N)
