FA5527 FUJI [Fuji Electric], FA5527 Datasheet - Page 10

• Manufacturer Part Number: FA5527
• Description: Fuji Switching Power Control IC
• Manufacturer: FUJI [Fuji Electric]

AN-087E Rev.1.0
April-2011
8. Characteristic curves
・Unless otherwise specified, Ta=25℃, Vcc=18V
・In defining a current, “+” represents a sink current and “-” a source current.
・The data stated in this chapter are intended for giving typical IC characteristics and not for guaranteeing performance.
140
120
100
81.0
80.5
80.0
79.5
79.0
-0.5
-1.5
Fuji Electric Co., Ltd.
1.5
0.5
80
60
40
20
-1
-2
0
2
1
0
0
10
-40 -20
Variation Ratio of Switching Frequency (delta fosc)
Switching Frequency (fosc) vs. FB pin voltage
0.5
0
15
vs. Junction Temperature (Tj)
Maximum Duty Cycle (Dmax)
vs. VCC pin voltage (Vcc)
1
20
Tj（degree）
Vcc (V)
VFB (V)
40
1.5
FA5526 / 36
FA5527 / 37
FA5528 / 38
20
60
FA5526/5527/5528/5536/5537/5538
80 100 120 140
2
25
2.5
30
3
10
800
700
600
500
400
300
200
-0.5
-1.5
1.5
0.5
2.0
1.5
1.0
0.5
0.0
-1
-2
2
1
0
-40 -20
-40 -20
-40
Variation Ratio of Switching Frequency (delta fosc)
Minimum Switching Frequency (fmin) vs. Junction
-20
vs. Junction Temperature (Tj)
0
0
vs. Junction Temperature (Tj)
Minimum ON Width (Tmin)
0
http://www.fujielectric.co.jp/products/semiconductor/
FA5528 / 38
FA5527 / 37
FA5526 / 36
20
20
20
Tj（degree）
Tj (degree)
Temperature (Tj)
Tj （ degree ）
40
40
40
60
60
60
80 100 120 140
80 100 120 140
80
100 120 140