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MC34065-H Datasheet(PDF) 3 Page - ON Semiconductor

Part No. MC34065-H
Description  HIGH PERFORMANCE DUAL CHANNEL CURRENT MODE CONTROLLERS
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MC34065-H Datasheet(HTML) 3 Page - ON Semiconductor

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MC34065–H, L MC33065–H, L
3
MOTOROLA ANALOG IC DEVICE DATA
ELECTRICAL CHARACTERISTICS (VCC = 15 V [Note 2], RT = 8.2 kΩ, CT = 3.3 nF, for typical values TA = 25°C, for min/max values
TA is the operating ambient temperature range that applies to [Note 3].)
Characteristics
Symbol
Min
Typ
Max
Unit
CURRENT SENSE SECTION
Current Sense Input Voltage Gain (Notes 4 and 5)
AV
2.75
3.0
3.25
V/V
Maximum Current Sense Input Threshold (Note 4)
Vth
0.9
1.0
1.1
V
Input Bias Current
IIB
– 2.0
–10
µA
Propagation Delay (Current Sense Input to Output)
tPLN(In/Out)
150
300
ns
DRIVE OUTPUT 2 ENABLE PIN
Enable Pin Voltage – High State (Output 2 Enabled)
Enable Pin Voltage – Low State (Output 2 Disabled)
VIH
VIL
3.5
0
Vref
1.5
V
Low State Input Current (VIL = 0 V)
IIB
100
250
400
µA
DRIVE OUTPUTS
Output Voltage – Low State (Isink = 20 mA)
Output Voltage – Low State (Isink = 200 mA)
Output Voltage – High State (Isource = 20 mA)
Output Voltage – High State (Isource = 200 mA)
VOL
VOH
1.6
12.8
10
0.3
2.4
13.3
11.2
0.5
3.0
12.3
V
Output Voltage with UVLO Activated (VCC = 6.0 V, ISink = 1.0 mA)
VOL(UVLO)
0.1
1.1
V
Output Voltage Rise Time (CL = 1.0 nF)
tr
50
150
ns
Output Voltage Fall Time (CL = 1.0 nF)
tf
50
150
ns
UNDERVOLTAGE LOCKOUT SECTION
Startup Threshold (VCC Increasing)
–L Suffix
–H Suffix
Vth
7.8
13
8.4
14
9.0
15
V
Minimum Operating Voltage After Turn–On (VCC Decreasing)
–L Suffix
–H Suffix
VCC(min)
7.2
9.0
7.8
10
8.4
11
V
TOTAL DEVICE
Power Supply Current
Startup
–L Suffix (VCC = 6.0 V)
–H Suffix (VCC = 12 V)
Operating (Note 2)
ICC
0.4
0.6
20
0.8
1.0
25
mA
NOTES: 1. Maximum package power dissipation limits must be observed.
NOTES: 2. Adjust VCC above the startup threshold before setting to 15 V.
NOTES: 3. Low duty cycle pulse techniques are used during test to maintain junction
NOTES: 3. temperature as close to ambient as possible:
Tlow = 0°C for the MC34065
Thigh = +70°C for MC34065
Tlow = –40°C for the MC33065
Thigh = +85°C for MC33065
4. This parameter is measured at the latch trip point with VFB = 0 V
5. Comparator gain is defined as AV =
∆V Compensation
∆V Current Sense
Figure 1. Timing Resistor versus
Oscillator Frequency
Figure 2. Maximum Output Duty Cycle
versus Oscillator Frequency
4.0
6.0
8.0
10
14
16
fOSC, OSCILLATOR FREQUENCY (Hz)
12
3.3 nF
500 pF
220 pF
330 pF
2.2 nF
5.0 nF
1.0 nF
10 k
30 k
50 k
300 k 500 k
100 k
1.0 M
100 pF
fOSC, OSCILLATOR FREQUENCY (Hz)
38
40
42
44
48
50
46
Output 2
Output 1
10 k
30 k
50 k
300 k 500 k
100 k
1.0 M
VCC =15 V
RT = 4.0 k to 16 k
TA = 25°
CL =15 pF
CT =
10 nF
VCC =15V
TA =25°C


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