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Offline Controllers | MC33364
概览
The MC33364 series are variable frequency SMPS controllers that operate in the critical conduction mode. They are optimized for high density power supplies requiring minimum board area, reduced component count, and low power dissipation. Integration of the high voltage startup saves approximately 0.7 W of power compared to the value of the 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, a CMOS driver and cycle-by-cycle current limiting.
The MC33364D1 has an internal 126 kHz frequency clamp. The MC33364D2 is available without an internal frequency clamp. The MC33364D 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
- Operating Temperature Range -25° to +125°C
- Shutdown Capability
- Over Temperature Protection
- Optional/Adjustable Frequency Clamp to Limit EMI
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MC33364D1G
Pb
A
H
P
SOIC-8
1
260
TUBE
98
N
Flyback
Current Mode
Up to 150
Yes
Yes
No
No
No
16
220 / 600
Price N/A
More Details
MC33364D1R2G
Pb
A
H
P
SOIC-8
1
260
REEL
2500
N
Flyback
Current Mode
Up to 150
Yes
Yes
No
No
No
16
220 / 600
Price N/A
More Details
MC33364D2G
Pb
A
H
P
SOIC-8
1
260
TUBE
98
N
Flyback
Current Mode
Up to 150
Yes
Yes
No
No
No
16
220 / 600
Price N/A
More Details
MC33364D2R2G
Pb
A
H
P
SOIC-8
1
260
REEL
2500
N
Flyback
Current Mode
Up to 150
Yes
Yes
No
No
No
16
220 / 600
Price N/A
More Details
MC33364DG
Pb
A
H
P
SOIC-16
3
260
TUBE
48
N
Flyback
Current Mode
Up to 150
Yes
Yes
No
No
No
16
220 / 600
Price N/A
More Details
MC33364DR2G
Pb
A
H
P
SOIC-16
3
260
REEL
2500
N
Flyback
Current Mode
Up to 150
Yes
Yes
No
No
No
16
220 / 600
Price N/A
More Details
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