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MOTOROLA
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MC33368DR2
Datasheet
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MOTOROLA MC33368DR2, MC33368P, MC33368D Datasheet

MC33368
High V oltage Gr eenLine
Power Factor Controller
0.7 W of power compared to resistor bootstrapped circuits.
The MC33368 features a watchdog timer to initiate output switching, a one quadrant multiplier to force the line current to follow the instantaneous line voltage a zero current detector to ensure critical conduction operation, a transconductance error amplifier, a current sensing comparator, a 5.0 V reference, an undervoltage lockout (UVLO) circuit which monitors the VCC supply voltage and a CMOS driver for driving MOSFETs. The MC33368 also includes a programmable output switching frequency clamp. Protection features include an output overvoltage comparator to minimize overshoot, a restart delay timer and cycle–by–cycle current limiting.
• Lossless Off–Line Startup
• Output Overvoltage Comparator
• Leading Edge Blanking (LEB) for Noise Immunity
• Watchdog Timer to Initiate Switching
• Restart Delay Timer
16
16
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P SUFFIX
CASE 648
1
D SUFFIX
1
CASE 751K
A = Assembly Location WL = Wafer Lot YY, Y = Year WW = Work Week
PIN CONNECTIONS
5.0 V
Restart Delay
Voltage FB
Current Sense
Zero Current
116
ref
2 3
Comp
4
Mult
5 6 7
AGnd
8
DIP–16
SO–16
MARKING
DIAGRAMS
16
MC33368P
AWLYYWW
1
16
MC33368D
AWLYWW
1
Line
1514N/C
N/C Frequency Clamp
13 12
V
CC
11
Gate
10
PGnd
9
LEB
Semiconductor Components Industries, LLC, 2000
April, 2000 – Rev. 4
(Top View)
13 12
SO–16 DIP–16
11 10
9
Line
Frequency Clamp V
CC
Gate PGnd LEB
5.0 V
Restart Delay
Voltage FB
Comp
Mult
Current Sense
Zero Current
AGnd
116
ref
2 3 4 5 6 7 8
(Top View)
ORDERING INFORMATION
Device Package Shipping
MC33368D SO–16 48 Units/Rail MC33368DR2 SO–16 2500 Tape & Reel MC33368P DIP–16
1 Publication Order Number:
25 Units/Rail
MC33368/D
Restart Delay
FB
Comp
Mult LEB
Current Sense
ZC Det
Restart Delay
Output
Overvoltage
Multiplier/
Error
Amplifier
Current
Sense
WatchdogTimer/
Zero Current Detector
MC33368
Representative Block Diagram
PWM
This device contains 240 active transistors.
S S
R
Q
UVLO
Internal Bias
Generator
Frequency
Clamp
Line
V
CC
V
ref
AGnd
Gate PGnd
Frequency Clamp
MAXIMUM RATINGS (T
Power Supply Voltage (Transient) Power Supply Voltage (Operating) Line Voltage Current Sense, Multiplier, Compensation, Voltage Feedback, Restart Delay and Zero
Current Input Voltage LEB Input, Frequency Clamp Input Zero Current Detect Input Restart Diode Current Power Dissipation and Thermal Characteristics
P Suffix, Plastic Package Case 648
Maximum Power Dissipation @ TA = 70°C P Thermal Resistance, Junction–to–Air R
Power Dissipation and Thermal Characteristics
D Suffix, Plastic Package Case 751K
Maximum Power Dissipation @ TA = 70°C P
Thermal Resistance, Junction–to–Air R Operating Junction Temperature Operating Ambient Temperature Storage Temperature Range
NOTE: ESD data available upon request.
= 25°C, unless otherwise noted.)
A
Rating
Symbol Value Unit
V
V V
V
V
T
CC CC
Line
in1
in2
I
in
I
in
D
θJA
D
θJA
T
J
T
A
stg
20 16
500
–1.0 to +10 V
–1.0 to +20
±5.0
5.0
1.25 mW 100 °C/W
450 mW 178 °C/W
150
–25 to +125 –55 to +150
V V V
V mA mA
°C °C °C
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MC33368
Á
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Á
ELECTRICAL CHARACTERISTICS (V
= 14.5 V, for typical values TA = 25°C, for min/max values TJ = –25 to +125°C)
CC
Characteristic
ERROR AMPLIFIER
Input Bias Current (VFB = 5.0 V) Input Offset Voltage (V Transconductance (V Output Source (VFB = 4.6 V, V
Output Sink (VFB = 5.4 V, V
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Comp
Comp
= 3.0 V)
= 3.0 V)
Comp
Comp
= 3.0 V)
= 3.0 V)
OVERVOLTAGE COMPARATOR
Voltage Feedback Input Threshold Propagation Time to Output
MULTIPLIER
Input Bias Current, V Input Threshold, V
Mult
Comp
(VFB = 0 V)
Dynamic Input Voltage Range
Multiplier Input V Compensation V
Multiplier Gain (V
ȡ
K
+
ȧ
V
Ȣ
Mult
= 0.5 V, V
Mult
VCSThreshold
ǒ
V
–V
Comp
th(M)
Comp
ȣ ȧ
Ǔ
Ȥ
= V
+ 1.0 V) K 0.25 0.51 0.75 1/V
th(M)
VOLTAGE REFERENCE
Voltage Reference (IO = 0 mA, TJ = 25°C) Line Regulation (VCC = 10 V to 16 V) Load Regulation (IO = 0 – 5.0 mA) Total Output V ariation Over Line, Load and Temperature Maximum Output Current Reference Undervoltage Lockout Threshold
ZERO CURRENT DETECTOR
Input Threshold Voltage (Vin Increasing) Hysteresis (Vin Decreasing) Delay to Output
CURRENT SENSE COMPARATOR
Input Bias Current (VCS = 0 to 2.0 V) Input Offset Voltage (V Maximum Current Sense Input Threshold (V
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V
= 5.0 V)
Mult
Delay to Output (V
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(VCS = 0 to 5.0 V Step, CL = 1.0 nF)
LEB
= –0.2 V)
Mult
= 12 V, V
Comp
Comp
= 5.0 V, V
= 5.0 V,
= 5.0 V)
Mult
FREQUENCY CLAMP
Frequency Clamp Input Threshold
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Frequency Clamp Capacitor Reset Current (VFC = 0.5 V)
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Frequency Clamp Disable Voltage
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Symbol Min Typ Max Unit
I
IB
V
IO
g
m
I
O
I
O
ÁÁÁ
V
FB(OV)
T
P
I
IB
V
th(M)
Mult
Comp
ÁÁÁ
ÁÁÁ
V
ref
Reg
line
Reg
load
V
ref
I
O
V
th
V
th
V
H
T
pd
I
IB
V
IO
V
th(max)
ÁÁÁ
t
PHL(in/out)
ÁÁÁ
V
th(FC)
ÁÁÁ
I
reset
ÁÁÁ
V
DFC
ÁÁÁ
– –
30
9.0
9.0
ÁÁÁ
1.07 V
FB
–
–
1.8
0
2.0 51
17.5
17.5
ÁÁÁ
1.084 V
FB
705
–0.2
2.1
0 to 2.5 0 to 3.5 –
V
to
th(M)
(V
+ 1.0)
th(M)
ÁÁÁ
ÁÁÁ
4.95 – –
4.8
5.0 –
1.0
100
–
– –
1.3
ÁÁÁ
50
ÁÁÁ
1.9
ÁÁÁ
0.5
ÁÁÁ
–
ÁÁÁ
V
to
th(M)
(V
+ 2.0)
th(M)
ÁÁÁ
ÁÁÁ
5.0
5.0
5.0 –
10
4.5
1.2
200 127
0.2
4.0
1.5
ÁÁÁ
270
ÁÁÁ
2.0
ÁÁÁ
1.7
ÁÁÁ
7.3
ÁÁÁ
1.0 50 80 30
30
Á
1.1 V
–1.0
2.4
Á
Á
5.05 100 100
5.2
1.4
300
1.0 50
1.8
Á
425
Á
2.1
Á
4.0
Á
8.0
Á
FB
–
–
– –
–
µA
mV
µmho
µA
Á
V
ns
µA
V V
Á
Á
V mV mV
V mA
V
V mV
ns
µA
mV
V
Á
ns
Á
V
Á
mA
Á
V
Á
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MC33368
Á
Á
Á
Á
Á
Á
Á
Á
Á
Á
Á
Á
ELECTRICAL CHARACTERISTICS (continued) (V
= 14.5 V, for typical values TA = 25°C, for min/max values TJ = –25 to +125°C)
CC
Characteristic UnitMaxTypMinSymbol
DRIVE OUTPUT
Source Resistance (Current Sense = 0 V, V Sink Resistance (Current Sense = 3.0 V, V
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= VCC – 1.0 V)
Gate
= 1.0 V)
Gate
Output Voltage Rise T ime (25% – 75%) (CL = 1.0 nF) Output Voltage Fall Time (75% – 25%) (CL = 1.0 nF) Output Voltage in Undervoltage (VCC = 7.0 V, I
Sink
= 1.0 mA)
LEADING EDGE BLANKING
Input Bias Current Threshold (as Offset from VCC) (V Hysteresis (V
Decreasing)
LEB
Increasing)
LEB
UNDERVOLTAGE LOCKOUT
Startup Threshold (VCC Increasing) Minimum Operating Voltage After Turn–On (VCC Decreasing) Hysteresis
TIMER
Watchdog Timer Restart Timer Threshold Restart Pin Output Current (V
restart
= 0 V, V
= 5.0 V)
ref
TOTAL DEVICE
Line Startup Current (VCC = 0 V, V Line Operating Current (VCC = V
Line
th(on)
= 50 V)
, V
= 50 V) I
Line
VCC Dynamic Operating Current (50 kHz, CL = 1.0 nF)
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VCC Static Operating Current (IO = 0) Line Pin Leakage (V
Line
= 500 V)
R
OH
R
OL
ÁÁÁ
t
r
t
f
V
O(UV)
I
bias
V
LEB
V
H
V
th(on)
V
Shutdown
V
H
t
DLY
V
th(restart)
I
restart
I
SU OP
I
CC
ÁÁÁ
I
Line
4.0
4.0
ÁÁÁ
– – –
–
1.0
100
11.5
7.0 –
180
1.5
3.1
5.0
8.6
7.2
ÁÁÁ
55 70
0.01
0.1
2.25 270
13
8.5
4.5
385
2.3
5.2
16
20 20
Á
200 200
0.25
0.5
2.75 500
14.5
10
–
800
3.0
7.1
25
3.0 12.9 20 mA –
ÁÁÁ
– –
5.3
ÁÁÁ
3.0 30
8.5
Á
–
80
Ω
Á
ns ns
V
µA
V
mV
V V V
µs
V
mA
mA
mA
Á
µA
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MC33368
)
T
AN
ON
U
TAN
E
(
mho)
OLTAGE
EE
A
T
E
OL
U
ENT
EN
E
P
N
6
T
E
OL
(
)
5
V
1.6
D
1.4
SH
1.2
HR
1.0
I
0.8
S
0.6
S
0.4
RR
0.2
, C
CS
0
V
–0.2
16
D∆ SH
12
HR CK
8.0
DB F
4.0
CHANGE (mV)
VCC = 14 V TA = 25°C
V
= 4.0 V
Pin 4
= 3.75 V = 3.5 V
= 3.25 V
0.6 1.4 2.2 3.0 –0.06 0 0.06 0.12 0.20
VM, MULTIPLIER PIN 5 INPUT VOLTAGE (V)
Figure 1. Current Sense Input Threshold
versus Multiplier Input
VCC = 14 V
= 3.0 V
= 2.75 V
= 2.5 V
= 2.25 V = 2.0 V
0.08
0.07
0.06
0.05
0.04
0.03
0.02
0.01
, CURRENT SENSE PIN 6 THRESHOLD (V
CS
0
V
–0.12
VM, MULTIPLIER PIN 5 INPUT VOLTAGE (V)
V
Pin 4
= 4.0 V
= 3.0 V
= 2.75 V
= 2.5 V
= 2.25 V
= 2.0 V
Figure 2. Current Sense Input Threshold
versus Multiplier Input, Expanded View
FB
110
109
108
VCC = 14 V
0
, V
FB
V
–4.0
–55
–25 0 25 50 75 125100 –25 0 25 50 75 100 12
TA, AMBIENT TEMPERATURE (°C)
107
, OVERVOLTAGE INPUT THRESHOLD (% V )
106
FB(OV)
V
–55
TA, AMBIENT TEMPERATURE (°C)
Figure 3. Reference V oltage versus Temperature Figure 4. Overvoltage Comparator Input
Threshold versus T emperature
100
80
µ
C
60
C D
SC R
, g
40
20
0
m
–20
10
Transconductance
VCC = 14 V VO = 2.0 to 4.0 V RL = 10 kΩ TA = 25°C
100 1.0 k 10 k 100 k 1.0 M 10 M
f, FREQUENCY (Hz)
Figure 5. Error Amplifier Transconductance
Phase
0
30
60
90
120
150 180
6.0 V
4.0 V
2.0 V
0 V
θ, EXCESS PHASE (DEGREES)
–1.0 V
5.0 µs/DIV
Figure 6. Error Amplifier Transient Response
and Phase versus Frequency
VCC = 14 V TA = 25°C
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MC33368
1.80
1.76
1.72
1.68
, QUICKSTART CHARGE VOLTAGE (V)
chg
V
1.64
20
15
10
–55
, QUICKSTART CHARGE CURRENT (mA)
chg
I
500
VCC = 14 V
µ
460
420
380
, WA TCHDOG TIME DELAY ( s)
DLY
t
340
–55
TA, AMBIENT TEMPERATURE (°C)
Figure 8. Watchdog Timer Delay
versus T emperature
6.0 Pulse tested with a 4.0 V peak, 50 kHz square wave through a 22 k resistance into Pin 7.
4.0
VCC = 14 V
Voltage
Current
–25 0 25 50 75 100 125 –25 0 25 50 75 100 125
TA, AMBIENT TEMPERATURE (°C)
1.50
1.30
1.10
0.90
0.70
Figure 7. Quickstart Charge Current
versus T emperature
VCC = 14 V CL = 1000 pF TA = 25°C
OUTPUT VOLTAGE (V)
–5.0
1000
, THERMAL RESIST ANCE
JA(t)
θ
R
5.0
°
100
JUNCTION–TO–AIR ( C/W)
10
0.01
CO = 1000 pF Pin 3, 6, 8= Gnd
2.0
, SUPPLY CURRENT (mA)
Pin 5 = 1.0 k to Gnd
CC
TA = 25°C
0
5.0 µs/DIV
I
2.0 0
4.0 6.0 8.0 10 12 14 VCC, SUPPLY VOLTAGE (V)
Figure 9. Drive Output Waveform Figure 10. Supply Current versus
Supply V oltage
0.1 1.0 10 100 t, TIME (s)
OUTPUT VOLTAGE (V)
400
200
Output
Voltage
0
Load
Current
200 ms/DIV
3.0
2.0
1.0 OUTPUT CURRENT (A)
0
Figure 11. Transient Thermal Resistance Figure 12. Low Load Detection
Response Waveform
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