HFC0400 – FIXED-FREQUENCY FLYBACK CONTROLLER WITH ULTRA-LOW NO LOAD POWER CONSUMPTION
TYPICAL CHARACTERISTICS (continued)
Short-Circuit Protection
Level vs. Temperature
Leading-Edge Blanking
for VILIM vs. Temperature
Leading Edge Blanking
for VSCP vs. Temperature
500
490
480
470
460
450
440
430
420
410
400
400
1.48
1.47
1.46
1.45
1.44
1.43
1.42
1.41
1.40
390
380
370
360
350
340
330
320
310
300
-40-25-10 5 20 35 50 65 80 95110125
-40-25-10 5 20 35 50 65 80 95110125
-40-25-10 5 20 35 50 65 80 95110125
FB Level (Falling) at which
the Controller Enters Burst
Mode vs. Temperature
FB Level (Rising) at which
the Controller Exits Burst
Mode vs. Temperature
FB Level at which the
Controller Enters OLP
after Blanking Time
vs. Temperature
3.90
0.480
0.340
3.85
3.80
3.75
3.70
3.65
3.60
3.55
3.50
0.475
0.470
0.465
0.460
0.455
0.450
0.445
0.440
0.335
0.330
0.325
0.320
0.315
0.310
0.305
0.300
-40-25-10 5 20 35 50 65 80 95 110125
-40-25-10 5 20 35 50 65 80 95110125
-40-25-10 5 20 35 50 65 80 95110 125
FB Internal Pull-up
Resistor vs. Temperature
FB Internal Pull-up
Voltage vs. Temperature
18
17
16
15
14
13
12
11
10
4.40
4.35
4.30
4.25
4.20
4.15
4.10
4.05
4.00
-40-25-10 5 20 35 50 65 80 95110 125
-40-25-10 5 20 35 50 65 80 95110125
HFC0400 Rev. 1.0
11/28/2012
www.MonolithicPower.com
MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited.
© 2012 MPS. All Rights Reserved.
9
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