MC33066DW View Datasheet(PDF) - ON Semiconductor
Part Name
Description
Manufacturer
MC33066DW Datasheet PDF : 11 Pages
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MC34066, MC33066
ELECTRICAL CHARACTERISTICS (continued) (VCC = 12 V [Note 4], ROSC = 95.3 k, RDT = 0 Ω, RVFO = 5.62 k,
COSC = 300 pF, RT = 14.3 k, CT = 300 pF, CL = 1.0 nF, for typical values TA = 25°C, for min/max values TA is the operating ambient
temperature range that applies [Note 5], unless otherwise noted.)
Characteristics
Symbol
Min
Typ
Max Unit
OSCILLATOR
Frequency (Error Amp Output Low)
TA = 25°C
Total Variation (VCC = 10 V to 18 V, TA = TLow to THigh)
fOSC(low)
kHz
90
100
110
85
−
115
Frequency (Error Amp Output High)
TA = 25°C
Total Variation (VCC = 10 V to 18 V, TA = TLow to THigh)
Oscillator Control Input Voltage, Pin 3 (ISink = 0.5 mA, TA = 25°C)
fOSC(high)
Vin
kHz
900 1000 1100
850
−
1150
1.3
1.4
1.5
V
Output Deadtime (Error Amp Output High)
RDT = 0 Ω
RDT = 1.0 k
DT
ns
−
70
100
600
700
800
ONE−SHOT
Drive Output On−Time (RDT = 1.0 k)
TA = 25°C
Total Variation (VCC = 10 V to 18 V, TA = TLow to THigh)
tOS
μs
1.43
1.5
1.57
1.4
−
1.6
DRIVE OUTPUTS
Output Voltage
Low State (ISink = 20 mA)
Low State (ISink = 200 mA)
High State (ISource = 20 mA)
High State (ISource = 200 mA)
V
VOL
−
0.8
1.2
−
1.5
2.0
VOH
9.5
10.3
−
9.0
9.8
−
Output Voltage with UVLO Activated (VCC = 6.0 V, ISink = 1.0 mA)
VOL(UVLO)
−
0.8
1.2
V
Output Voltage Rise Time (CL = 1.0 nF)
tr
−
20
50
ns
Output Voltage Fall Time (CL = 1.0 nF)
tf
−
20
50
ns
FAULT COMPARATOR
Input Threshold
Input Bias Current (VPin 10 = 0 V)
Vth
0.95
1.0
1.05
V
IIB
−
−2.0
−10
μA
Propagation Delay to Drive Outputs (100 mV Overdrive)
tPLH(In/Out)
−
60
100
ns
SOFT−START
Capacitor Charge Current (VPin 11 = 2.5 V)
Ichg
4.5
8.1
14
μA
Capacitor Discharge Current (VPin 11 = 2.5 V)
IIdchg
1.0
8.0
−
mA
UNDERVOLTAGE LOCKOUT
Startup Threshold, VCC Increasing
Enable/UVLO Adjust Pin Open
Enable/UVLO Adjust Pin Connected to VCC
Vth(UVLO)
V
14.8
16
17.2
8.0
9.0
10
Minimum Operating Voltage after Turn−On
Enable/UVLO Adjust Pin Open
Enable/UVLO Adjust Pin Connected to VCC
VCC(min)
V
8.0
9.0
10
7.6
8.6
9.6
Enable/UVLO Adjust Shutdown Threshold Voltage
Vth(Enable)
6.0
7.0
−
V
Enable/UVLO Adjust Input Current (Pin 9 = 0V)
Iin(Enable)
−
−0.2 −1.0
mA
TOTAL DEVICE
Power Supply Current (Enable/UVLO Adjust Pin Open)
Startup (VCC = 13.5 V)
Operating (fOSC = 100 kHz) (Note 4)
ICC
mA
−
0.45
0.6
−
21
30
4. Adjust VCC above the Startup threshold before setting to 12 V.
5. Low duty cycle pulse techniques are used during test to maintain junction temperature as close to ambient as possible.
Tlow = 0°C for MC34066
−40°C for MC33066
Thigh = +70°C for MC34066
+85°C for MC33066
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