MC44608P40 查看數據表（PDF） - ON Semiconductor
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MC44608P40 Datasheet PDF : 15 Pages
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MC44608
ELECTRICAL CHARACTERISTICS (VCC = 12 V, for typical values TA = 25°C, for min/max values TA = −25°C to +85°C unless
otherwise noted) (Note 2)
Characteristic
DEMAGNETIZATION DETECTION section (note 3)
Demag Comparator Threshold (Vpin1 increasing)
Demag Comparator Hysteresis (Note 4)
Propagation Delay (Input to Output, Low to High)
Input Bias Current (Vdemag = 50 mV)
Negative Clamp Level (Idemag = −1.0 mA)
Positive Clamp Level @ Idemag = 125 mA
Positive Clamp Level @ Idemag = 25 mA
OVERTEMPERATURE section
Trip Level Over Temperature
Hysteresis
STANDBY MAXIMUM CURRENT REDUCTION section
Normal Mode Recovery Demag Pin Current Threshold
K FACTORS SECTION FOR PULSED MODE OPERATION
ICCS / Istup
MC44608P40
ICCS / Istup
MC44608P75
ICCL / Istup
(Vstup − UVLO2) / (Vstup − UVLO1)
(UVLO1 − UVLO2) / (Vstup − UVLO1)
ICS / Vcsth
Demag ratio Iovp / Idem NM
(V3 1.0 mA − V3 0.5 mA) / (1.0 mA − 0.5 mA)
Vcontrol Latchoff
SUPPLY SECTION
Minimum Startup Voltage
VCC Startup Voltage
Output Disabling VCC Voltage After Turn On
Hysteresis (Vstup−th − Vuvlo1)
VCC Undervoltage Lockout Voltage
Hysteresis (Vuvlo1 − Vuvlo2)
Absolute Normal Condition VCC Start Current @ (Vi = 100 V) and
(VCC = 9.0 V)
Switching Phase Supply Current (no load)
MC44608P40
MC44608P75
Symbol
Vdmg−th
Hdmg
tPHL(In/Out)
Idem−lb
Vcl−neg−dem
Vcl−pos−dem−H
Vcl−pos−dem−L
Thigh
Thyst
Idem−NM
10 x K1
10 x K1
103 x K2
102 x Ksstup
102 x Ksl
106 x Ycstby
Dmgr
R3
V3
Vilow
Vstup−th
Vuvlo1
Hstup−uvlo1
Vuvlo2
Huvlo1−uvlo2
−(ICC)
ICCS
Min
30
−
−
−0.6
−0.9
2.05
1.4
−
−
20
2.4
2.8
46
1.8
90
175
3.0
−
−
−
12.5
9.5
−
6.2
−
7.0
2.0
2.4
Typ
50
30
300
−
−0.7
2.3
1.7
160
30
25
2.9
3.3
52
2.2
120
198
4.7
1800
4.8
−
13.1
10
3.1
6.6
3.4
9.5
2.6
3.2
Max Unit
69
mV
−
mV
−
ns
−
mA
−0.4
V
2.8
V
1.9
V
−
°C
−
°C
30
mA
3.8
−
4.2
−
63
−
2.6
−
150
−
225
−
5.5
−
−
W
−
V
50
V
13.8
V
10.5
V
−
V
7.0
V
−
V
12.8 mA
3.6
mA
4.0
Latched Off Phase Supply Current
ICC−latch
0.3
0.5
0.68 mA
Hiccup Mode Duty Cycle (no load)
dHiccup
−
10
−
%
2. Adjust VCC above the startup threshold before setting to 12 V. Low duty cycle pulse techniques are used during test to maintain junction
temperature as close to ambient as possible.
3. This function can be inhibited by connecting pin 1 to GND.
4. Guaranteed by design (non tested).
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