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MC3479 Datasheet PDF : 10 Pages
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MC3479
DC ELECTRICAL CHARACTERISTICS (Specifications apply over the recommended supply voltage and temperature range, [Notes
2, 3] unless otherwise noted.)
Characteristic
Pins Symbol
Min
Typ
Max
Unit
CLAMP DIODES
Forward Voltage
(ID = 350 mA)
Leakage Current (Per Diode)
(Pin 1 = 21 V; Outputs = 0 V; IBS = 0 µA)
PHASE A OUTPUT
Output Low Voltage
(IOA = 8.0 mA)
Off State Leakage Current
(VOHA = 16.5 V)
POWER SUPPLY
Power Supply Current
(IOD = 0 µA, IBS = – 300 µA)
(L1 = VOHD, L2 = VOLD, L3 = VOHD, L4 = VOLD)
(L1 = VOHD, L2 = VOLD, L3 = Hi Z, L4 = Hi Z)
(L1 = VOHD, L2 = VOLD, L3 = VOHD, L4 = VOHD)
BIAS/SET CURRENT
To Set Phase A
1, 2, 3,
14, 15
VDF
IDR
—
2.5
3.0
Vdc
—
—
100
µA
11
VOLA
—
—
0.4
Vdc
IOHA
—
—
100
µA
16
mA
IMW
IMZ
IMN
—
—
70
—
—
40
—
—
75
6
IBS
– 5.0
—
—
µA
PACKAGE THERMAL CHARACTERISTICS
Characteristic
Thermal Resistance, Junction–to–Ambient (No Heatsink)
Symbol
Min
Typ
Max
Unit
R θJA
—
45
—
°C/W
AC SWITCHING CHARACTERISTICS (TA = + 25°C, VM = 12 V) (See Figures 2, 3, 4)
Characteristic
Pins Symbol
Min
Clock Frequency
Clock Pulse Width (High)
Clock Pulse Width (Low)
Bias/Set Pulse Width
Setup Time (CW/CCW and F/HS)
7
fCK
0
7
PWCKH
10
7
PWCKL
10
6
PWBS
10
10–7
tsu
5.0
9–7
Hold Time (CW/CCW and F/HS)
10–7
th
10
9–7
Propagation Delay (Clk–to–Driver Output)
tPCD
—
Propagation Delay (Bias/Set–to–Driver Output)
tPBSD
—
Propagation Delay (Clk–to–Phase A Low)
7–11
tPHLA
—
Propagation Delay (Clk–to–Phase A High)
7–11
tPLHA
—
NOTES: 2. Algebraic convention rather than absolute values is used to designate limit values.
3. Current into a pin is designated as positive. Current out of a pin is designated as negative.
Typ
Max
—
50
—
—
—
—
—
—
—
—
—
—
8.0
—
1.0
—
12
—
5.0
—
Unit
kHz
µs
µs
µs
µs
µs
µs
µs
µs
µs
MOTOROLA ANALOG IC DEVICE DATA
3
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