FAN7527B View Datasheet(PDF) - Fairchild Semiconductor
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Description
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FAN7527B Datasheet PDF : 12 Pages
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FAN7527B
Electrical Characteristics (Continued)
VCC= 14V, -25°C ≤ Ta ≤ 125°C, unless otherwise stated.
Characteristics
Symbol
Test Condition
< CURRENT SENSE SECTION>
Input offset voltage (Note8)
Vio(cs) Vm1=0V , Vm2 = 2.2V
Input bias current
Ib(cs) 0V ≤ Vcs ≤ 1.7V
Current sense delay to output (Note11)
td(cs)
-
< ZERO CURRENT DETECT SECTION >
Input voltage threshold
Vth(det) Vdet increasing
Detect hysteresis
HY(det)
-
Input low clamp voltage
Vclamp(I) Idet = -100uA
Input high clamp voltage
Vclamp(h) Idet = 3mA
Input bias current
Ib(det) 1V ≤ Vdet ≤ 5V
Input high/low clamp diode current (Note12) Iclamp(d)
-
< OUTPUT SECTION >
Output voltage high
Voh Io = -10mA
Output voltage low
VoI
Io = 10mA
Rising time (Note13)
tr
CI = 1nF
Falling time (Note14)
tf
CI = 1nF
Maximum output voltage
Vomax(o) Vcc = 20V, Io = 100uA
Output voltage with UVLO activated
Vomin(o) Vcc = 5V , Io = 100uA
< RESTART TIMER SECTION>
Restart time delay
td(rst) Vm1 = 1V, Vm2 = 3.5V
<OVER VOLTAGE PROTECTION SECTION>
Soft OVP detecting current
Isovp
-
Dynamic OVP detecting current
Idovp
-
Static OVP threshold voltage
Vovp Vinv = 2.7V
Note 1 ~ 14: These parameters, although guaranteed, are not 100% tested in production.
Multiplier Gain: K = V-----Pm----i-1-n----4×---_--(--TV----h-m---r--2e----s-–--h--V--o---rl--ed----f--)......(Vm1 = Vpin3,Vm2 = Vpin2)
Min. Typ. Max. Unit
-10 3 10 mV
-1 -0.1 1 uA
- 200 500 ns
1.7 2 2.3 V
0.2 0.5 0.8 V
0.45 0.75 1 V
6.5 7.2 7.9 V
-1 -0.1 1 uA
-
- ±3 mA
10.5 11
-
V
- 0.8 1 V
- 130 200 ns
- 50 120 ns
12 14 16 V
-
-
1V
- 150 - us
25 30 35 uA
35 40 45 uA
2.1 2.25 2.4 V
6
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