FAN7527BM View Datasheet(PDF) - Fairchild Semiconductor
Part Name
Description
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FAN7527BM Datasheet PDF : 12 Pages
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Electrical Characteristics
VCC= 14V, -25°C ≤ Ta ≤ 125°C, unless otherwise stated.
Characteristics
Symbol
Test Condition
< UNDER VOLTAGE LOCKOUT SECTION>
Start threshold voltage
Vth(st) Vcc Increasing
UVLO hysteresis
HY(st)
-
< SUPPLY CURRENT SECTION >
Start-up supply current
Ist
Vcc = Vth(st) -0.2V
Operating supply current
Icc
Output not switching
Operating current at OVP
Icc(ovp) Vinv = 3V
Dynamic operating supply current
Idcc 50kHz, CI = 1nF
< ERROR AMPLIFIER SECTION >
Voltage feedback input threshold
Iref = 0mA, Ta = 25°C
Vref
-25 ≤ Ta ≤ 125°C
Line regulation
∆Vref1 14V ≤ Vcc ≤ 25V
Temperature stability of Vref (Note1) ∆Vref3 -25 ≤ Ta ≤ 125°C
Input bias current
Ib(ea)
-
Output source current
Isource Vm2 = 4V
Output sink current
Isink Vm2 = 4V
Output upper clamp voltage (Note2) Veao(H) Isource = 0.1mA
Output lower clamp voltage (Note3) Veao(L) Isink = 0.1mA
Large signal open loop gain (Note4)
Gv
-
Power supply rejection ratio (Note5) PSRR 14V ≤ Vcc ≤ 25V
Unity gain bandwidth (Note6)
GBW
-
Slew rate (Note7)
SR
-
< MULTIPLIER SECTION>
Input bias current (pin3)
Ib(m)
-
M1 input voltage range (pin3)
∆Vm1
-
M2 input voltage range (pin2)
∆Vm2
-
Multiplier gain (Note8)
K
Vm1 = 1V, Vm2 = 3.5V
Maximum multiplier output voltage Vomax(m) Vinv =0V, Vm1 = 4V
Temperature stability of K (Note9)
∆K/∆T -25 ≤ Ta ≤ 125°C
FAN7527B
Min. Typ. Max. Unit
10.5 11.5 12.5
V
2
3
4
V
10 60
100
uA
-
3
6
mA
- 1.7
4
mA
-
4
8
mA
2.465 2.5
2.44 2.5
- 0.1
-
20
-0.5 -
-2 -4
2
4
-
6
- 2.25
60 80
60 80
-
1
- 0.6
2.535
2.56
10
-
0.5
-
-
-
-
-
-
-
-
V
V
mV
mV
uA
mA
mA
V
V
dB
dB
MHz
V/us
-0.5 -
0.5
uA
0
-
3.8
V
Vref - Vref+2.5 V
0.36 0.44 0.52 1/V
1.65 1.8 1.95
V
- -0.2
-
%/°C
5
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