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MC34065 Datasheet(PDF) 3 Page - ON Semiconductor

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

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MC34065 MC33065
3
MOTOROLA ANALOG IC DEVICE DATA
ELECTRICAL CHARACTERISTICS (continued) (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 [Note 3].)
Characteristics
Unit
Max
Typ
Min
Symbol
ERROR AMPLIFIERS
Voltage Feedback Input (VO = 2.5 V)
VFB
2.42
2.5
2.58
V
Input Bias Current (VFB = 5.0 V)
IIB
– 0.1
–1.0
µA
Open Loop Voltage Gain (VO = 2.0 to 4.0 V)
AVOL
65
100
dB
Unity Gain Bandwidth (TJ = 25°C)
BW
0.7
1.0
MHz
Power Supply Rejection Ratio (VCC = 11 V to 15 V)
PSRR
60
90
dB
Output Current
mA
Source (VO = 3.0 V, VFB = 2.3 V)
Isource
–0.45
–1.0
Sink (VO = 1.2 V, VFB = 2.7 V)
Isink
2.0
12
Output Voltage Swing
V
High State (RL = 15 k to ground, VFB = 2.3 V)
VOH
5.0
6.2
Low State (RL = 15 k to Vref, VFB = 2.7 V)
VOL
0.8
1.1
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
430
480
530
mV
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
V
High State (Output 2 Enabled)
VIH
3.5
Vref
Low State (Output 2 Disabled)
VIL
0
1.5
Low State Input Current (VIL = 0 V)
IIB
100
250
400
µA
DRIVE OUTPUTS
Output Voltage
V
Low State (Isink = 20 mA)
VOL
0.1
0.4
(Isink = 200 mA)
1.6
2.5
High State (Isource = 20 mA)
VOH
13
13.5
(Isource = 200 mA)
12
13.4
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
28
150
ns
Output Voltage Fall Time (CL = 1.0 nF)
tf
25
150
ns
UNDERVOLTAGE LOCKOUT SECTION
Startup Threshold
Vth
13
14
15
V
Minimum Operating Voltage After Turn–On
VCC(min)
9.0
10
11
V
TOTAL DEVICE
Power Supply Current
ICC
mA
Startup (VCC = 12 V)
0.6
1.0
Operating (Note 2)
20
25
Power Supply Zener Voltage (ICC = 30 mA)
VZ
15.5
17
19
V
NOTES: 1. Maximum package power dissipation limits must be observed.
2. Adjust VCC above the startup threshold before setting to 15 V.
3. Low duty cycle pulse techniques are used during test to maintain junction 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
+
DV Compensation
DV Current Sense


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