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MC33364 Datasheet

CRITICAL CONDUCTION GREENLINEE SMPS CONTROLLER

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Advance Information
Critical Conduction
GreenLineSMPS Controller
The MC33364 series are variable frequency SMPS controllers that operate
in the critical conduction mode. They are optimized for low power, high density
power supplies requiring minimum board area, reduced component count,
and low power dissipation. Each narrow body SOIC package provides a small
footprint. Integration of the high voltage startup saves approximately 0.7 W of
power compared to resistor bootstrapped circuits.
Each MC33364 features an on–board reference, UVLO function, a
watchdog timer to initiate output switching, a zero current detector to ensure
critical conduction operation, a current sensing comparator, leading edge
blanking, and a CMOS driver. Protection features include the ability to shut
down switching, and cycle–by–cycle current limiting.
The MC33364D1 is available in a surface mount SO–8 package. It has an
internal 126 kHz frequency clamp. For loads which have a low power
operating condition, the frequency clamp limits the maximum operating
frequency, preventing excessive switching losses and EMI radiation.
The MC33364D2 is available in the SO–8 package without an internal
frequency clamp.
The MC33364D is available in the SO–16 package. It has an internal
126 kHz frequency clamp which is pinned out, so that the designer can
adjust the clamp frequency by connecting appropriate values of resistance.
Lossless Off–Line Startup
Leading Edge Blanking for Noise Immunity
Watchdog Timer to Initiate Switching
Minimum Number of Support Components
Shutdown Capability
Over Temperature Protection
Optional Frequency Clamp
MC33364
CRITICAL CONDUCTION
GREENLINESMPS
CONTROLLER
SEMICONDUCTOR
TECHNICAL DATA
8
1
D1, D2 SUFFIX
PLASTIC PACKAGE
CASE 751
(SO–8)
16
1
D SUFFIX
PLASTIC PACKAGE
CASE 751B
(SO–16)
PIN CONNECTIONS
Device
MC33364D1
MC33364D2
MC33364D
ORDERING INFORMATION
Operating
Temperature Range
TJ = –25° to +125°C
Package
SO–8
SO–8
SO–16
MC33364D1
MC33364D2
Zero Current
Current Sense
Voltage FB
Vref
1
2
3
4
8 Line
7 VCC
6 Gate Drive
5 P Gnd
(Top View)
FB
Current
Sense
ZC Det
Representative Block Diagram
Restart
Delay
PWM
Comparator
Leading
Edge
Blanking
Zero
Current
Detector
S
RQ
R
Watchdog
Timer
Thermal
Shutdown
Vref
UVLO
VCC
UVLO
Bandgap
Reference
Frequency
Clamp
This device contains 335 active transistors.
Line
VCC
Vref
Gnd
Gate
Optional
Frequency
Clamp
MC33364D
Zero Current
N/C
Current Sense
Voltage FB
N/C
Vref
N/C
Freq Clamp
1
2
3
4
5
6
7
8
16 Line
13 A VCC
12 P VCC
11 Gate Drive
10 P Gnd
9 A Gnd
(Top View)
This document contains information on a new product. Specifications and information herein
arMe OsuTbjOecRt tOo cLhAangAeNwAithLoOut GnotIiCce.DEVICE DATA
© Motorola, Inc. 1997
Rev 0
1


Motorola Electronic Components Datasheet

MC33364 Datasheet

CRITICAL CONDUCTION GREENLINEE SMPS CONTROLLER

No Preview Available !

MC33364
MAXIMUM RATINGS (TA = 25°C, unless otherwise noted.)
Rating
ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁPower Supply Voltage (Transient)
ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁPower Supply Voltage (Operating)
ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁLine Voltage
ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁCurrent Sense, Compensation,
Symbol
VCC
VCC
VLine
Vin1
Value
20
16
700
–1.0 to +10
Unit
V
V
V
V
Voltage Feedback, Restart Delay and Zero
Current Input Voltage
ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁZero Current Detect Input
ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁRestart Diode Current
ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁPower Dissipation and Thermal Characteristics
ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁD1 and D2 Suffix, Plastic Package Case 751
Iin
Iin
±5.0 mA
5.0 mA
Maximum Power Dissipation @ TA = 70°C
PD
450 mW
Thermal Resistance, Junction–to–Air
RθJA
178 °C/W
D Suffix, Plastic Package Case 751B–05
Maximum Power Dissipation @ TA = 70°C
Thermal Resistance, Junction–to–Air
ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁOperating Junction Temperature
ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁOperating Ambient Temperature
ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁStorage TemperatureRange
ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁNOTE: ESDdataavailableuponrequest.
PD
RθJA
TJ
TA
Tstg
550
145
150
–25 to +125
–55 to +150
mW
°C/W
°C
°C
°C
ELECTRICAL CHARACTERISTICS (VCC = 12 V, for typical values TA = 25°C, for min/max values TJ = –25 to 125°C)
Characteristic
VOLTAGE REFERENCE
ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁReference Output Voltage (IOut = 0 mA, TJ = 25°C)
ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁLine Regulation (VCC = 10 V to 20 V)
ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁLoad Regulation (IOut = 0 mA to 5.0 mA)
ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁMaximum Vref Output Current
ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁReference Undervoltage Lockout Threshold
ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁZERO CURRENT DETECTOR
ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁInput Threshold Voltage (Vin Increasing)
ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁHysteresis (VinDecreasing)
ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁInput Clamp Voltage
ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁHigh State (IDET = 3.0 mA)
Symbol
Vref
Regline
Regload
IO
Vth
Vth
VH
VIH
Min
4.90
0.9
9.0
Typ
5.05
2.0
0.3
5
4.5
1.0
200
10.33
Max Unit
5.20 V
50 mV
50 mV
– mA
–V
1.1 V
– mV
V
12
Low State (IDET = –3.0 mA)
CURRENT SENSE COMPARATOR
ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁInput Bias Current (VCS = 0 to 2.0 V)
ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁBuilt In Offset
ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁFeedback Pin Input Range
ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁFeedback Pin to Output Delay
ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁDRIVE OUTPUT
ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁSource Resistance (Drive = 0 V, VGate = VCC – 1.0 V)
ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁSink Resistance (Drive = VCC, VGate = 1.0 V)
ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁOutput Voltage Rise Time (25% – 75%) (CL = 1.0 nF)
ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁOutput Voltage Fall Time (75% – 25%) (CL = 1.0 nF)
ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁOutputVoltageinUndervoltage(VCC = 7.0 V, ISink = 1.0 mA)
VIL
IIB
VIO
VFB
tDLY
ROH
ROL
tr
tf
VO(UV)
–0.5
–0.5
50
1.1
100
10
5
–0.75
0.02
108
1.24
232
36
11
67
28
0.01
–1.1
0.5 µA
170 mV
1.4 V
400 ns
70
25
150 ns
50 ns
0.03 V
2 MOTOROLA ANALOG IC DEVICE DATA


Part Number MC33364
Description CRITICAL CONDUCTION GREENLINEE SMPS CONTROLLER
Maker Motorola
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MC33364 Datasheet PDF






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