ka1m0880b-ydtu Fairchild Semiconductor, ka1m0880b-ydtu Datasheet - Page 5

• Manufacturer Part Number: ka1m0880b-ydtu
• Description: Fairchild Power Switch Fps
• Manufacturer: Fairchild Semiconductor

Typical Performance Characteristics
(These characteristic graphs are normalized at Ta=25 C)
I
Istart
Fosc
I
Iop
ST
OP
1.15
1.05
0.95
0.85
1.2
1.1
0.9
0.8
1.15
1.05
0.95
0.85
1.5
1.3
1.1
0.9
0.7
0.5
Figure 3. Operating Supply Current
1.2
1.1
0.9
0.8
1
-25
1
-25
Figure 1. Operating Frequency
- 25
Figure 5. Start up Current
0
Fig.1 Operating Frequency
Fig.3 Operating Current
0
Fig.5 Start up Current
0
Temperature [
25
25
Temperature [
Temperature [
25
50
50
50
75
75
75
C
100 125 150
]
C
100 125 150
C
100 125 150
]
]
I
V
Ifb
Vstart
Ipeak
over
th(H)
1.15
1.05
0.95
0.85
1.2
1.1
0.9
0.8
1.05
0.95
0.85
1
1.1
0.9
0.8
1.15
1.05
0.95
0.85
-25
1.1
0.9
1
Figure 2. Feedback Source Current
-25
1
Figure 6. Start Threshold Voltage
-25
Fig.2 Feedback Source Current
Figure 4. Peak Current Limit
Fig.6 Start Threshold Voltage
0
Fig.4 Max Inductor Current
0
0
25
Temperature [
25
Temperature [
25
Temperature [
50
50
50
75
75
75
C
100
100 125 150
]
C
KA1L0880B/KA1M0880B
100 125 150
]
C
]
125 150
5