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MC34065-H Datasheet(PDF) 4 Page - ON Semiconductor

Part No. MC34065-H
Description  High Performance Dual Channel Current Mode Controllers
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Maker  ONSEMI [ON Semiconductor]
Homepage  http://www.onsemi.com
Logo ONSEMI - ON Semiconductor

MC34065-H Datasheet(HTML) 4 Page - ON Semiconductor

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MC34065−H, L
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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 =
ΔV Compensation
ΔV Current Sense


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