HA16141P_05 RENESAS [Renesas Technology Corp], HA16141P_05 Datasheet - Page 4

• Manufacturer Part Number: HA16141P_05
• Description: PFC and PWM Controller
• Manufacturer: RENESAS [Renesas Technology Corp]

HA16141P/FP, HA16142P/FP
System Diagram
Rev.5.00 Jun 15, 2005 page 4 of 17
secondary
Note: The constants for the external components are for reference. Please confirm the operation when designing the system.
Enable to
From
VRB(B+monitor)
720k
2.2µ
VREF
VREF
0.1
(5W)
Rec+
Rec−
36k
220p
820k
33k
910k
750k
100
4.7n
3.3n
47n
5.1k
PFC
PFC
PFC
PFC
51k
-ON
-CS
-EO
CAO
IAC
10n
-FB
PG
From PFC-OUT
PFC-V
I
AC
V
1.8m
EO
I
0.1µ
MO
5µs
AMP
2.5V
500ns
10µs
+
−
K
0.65V
= K {I
Q1
Oscillator
VREF GOOD
2.7k
I
MO
AC
Supervisor
(600V)
1.5V
1.2V
−
+
1µs (HA16141)
2.3µs (HA16142)
470µ
200kHz
100kHz
× (V
3.4V
GND
+
B+
PFC-C
EO
2.75V
2.60V
2.34V
1.70V
+
+
−
−
− 1V)}
3.83V
3.63V
−
+
Gain Selector
AMP
−
+
CT
PWM-RES
PFC-DT
RAMP
Circuit Ground Level
(1/2W)
+B HIGH
+B LOW
PFC-OFF
PWM-OFF
VREF
570k
4.7µ
55k
K = 0.25
K = 0.05
+
22.2V
−
+
−0.5V
PFC-C
+
−
VCC
H
L
Q
Q
LIMIT
R
R
Latch Block
S
S
UVLO
PWM-RES
T1
HA16141 only
VCC
−
+
+
−
−
+
+
−
UVL
VCC
R
S
R
S
4V
7.1V
2.5V
5RB
2R
R
Q
Q
5V VREF
Generator
R
S
From
Q2 drain
Q
1V
+
−
38.2µ
Integrator
RB
5V Internal Bias
LOGIC
VREF
GOOD
VREF GOOD
PWM-V
Over
Current
Detector
5V
To
PFC-FB
Gate Driver
±1.5A(PEAK)
Gate Driver
±1A(PEAK)
2.5V
−
+
×1
H
L
AMP
LOGIC
3V
26.2µ
5.2µ
0.3V
0.1µ
VRB
+
−
710k
4.7k
VREF
PFC
-OUT
PWM
-OUT
PWM
-EO
PWM
-CS
O.C
TIM
External parts of
PWM-EO pin are
applies to HA16141
only.
0.47µ
To T1
(1W)
51k
Current Monitor
(385V dc)
0.1
(1W)
B+ OUT
Unit R: Ω
GND
To
Q1 gate
1
0.1µ
1n
1n
C: F