MC44605 데이터 시트보기 (PDF) - ON Semiconductor
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MC44605
ON Semiconductor
MC44605 Datasheet PDF : 20 Pages
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MC44605
ELECTRICAL CHARACTERISTICS (VCC and VC = 12 V, Rref = 10 kW, CT = 2.2 nF, for typical values TA = 25°C, for
min/max values TA = −25° to +85°C unless otherwise noted.) (Note 14)
Characteristic
Pin #
Symbol
Min
Typ
Max Unit
DISABLING BLOCK SECTION
Delay Pulse Width
Ratio (EHTOVP and WSCD Disabling Capacitor Charge Current)Iref
Ratio (MPL and OHD Disabling Capacitor Charge Current)Iref
Minimum VCC Value Enabling the Disabling Block Latch (Note 15)
TOTAL DEVICE
TWSCD
−
4.0
−
ms
IDis−H/Iref
90
100
110
%
IDis−L/Iref
2.7
3.1
3.5
%
VCCDis
1.0
−
5.0
V
Power Supply Current
ICC
mA
Startup−Up (VCC = 5.0 V with VCC increasing)
−
0.35 0.55
Startup−Up (VCC = 9.0 V with VCC increasing)
−
0.35 0.55
Startup−Up (VCC = 12 V with VCC increasing)
−
0.35 0.55
Operating TA = −25°C to +85°C (Note 16)
−
20
25
Disabling Mode (VCC = 6.0 V) (Note 17)
−
−
0.55
Power Supply Zener Voltage (ICC = 35 mA)
VZ
18.5
−
−
V
Thermal Shutdown
−
−
155
−
°C
14. 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.
15. Once a fault detection activated it, the Disabling Block Latch gets reset when the VCC becomes lower than this threshold.
16. Refer to Note 14.
17. This consumption is measured while the circuit is inhibited by the Definitive Latch.
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