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MC34025DW View Datasheet(PDF) - ON Semiconductor

Part Name
Description
Manufacturer
MC34025DW
ON-Semiconductor
ON Semiconductor ON-Semiconductor
MC34025DW Datasheet PDF : 20 Pages
1 2 3 4 5 6 7 8 9 10 Next Last
MC34025, MC33025
ELECTRICAL CHARACTERISTICS (VCC = 15 V, RT = 3.65 kW, CT = 1.0 nF, for typical values TA = + 25°C, for min/max values
TA is the operating ambient temperature range that applies [Note 4], unless otherwise noted.)
Characteristic
Symbol
Min
Typ
Max
Unit
ERROR AMPLIFIER SECTION
Input Offset Voltage
Input Bias Current
Input Offset Current
Open−Loop Voltage Gain (VO = 1.0 V to 4.0 V)
Gain Bandwidth Product (TJ = + 25°C)
Common Mode Rejection Ratio (VCM = 1.5 V to 5.5 V)
Power Supply Rejection Ratio (VCC = 10 V to 30 V)
Output Current,
Source (VO = 4.0 V)
Sink (VO = 1.0 V)
Output Voltage Swing,
High State (IO = − 0.5 mA)
Low State (IO = 1.0 mA)
Slew Rate
VIO
IIB
IIO
AVOL
GBW
CMRR
PSRR
ISource
ISink
VOH
VOL
SR
15
mV
0.6
3.0
mA
0.1
1.0
mA
60
95
dB
4.0
8.3
MHz
75
95
dB
85
110
dB
0.5
3.0
1.0
3.6
mA
4.5
4.75
5.0
V
0
0.4
1.0
6.0
12
V/ms
PWM COMPARATOR SECTION
Ramp Input Bias Current
Duty Cycle of Each Output,
Maximum
Minimum
Zero Duty Cycle Threshold Voltage Pin 3(4) (Pin 7(9) = 0 V)
Propagation Delay (Ramp Input to Output, TJ = + 25°C)
SOFT−START SECTION
Charge Current (VSoft−Start = 0.5 V)
Discharge Current (VSoft−Start = 1.5 V)
CURRENT SENSE SECTION
Input Bias Current (Pin 9(12) = 0 V to 4.0 V)
Current Limit Comparator Threshold
Shutdown Comparator Threshold
Propagation Delay (Current Limit/Shutdown to Output, TJ = + 25°C)
OUTPUT SECTION
Output Voltage
Low State
High State
(ISink = 20 mA)
(ISink = 200 mA)
(ISource = 20 mA)
(ISource = 200 mA)
Output Voltage with UVLO Activated (VCC = 6.0 V, ISink = 0.5 mA)
Output Leakage Current (VC = 20 V)
Output Voltage Rise Time (CL = 1.0 nF, TJ = + 25°C)
Output Voltage Fall Time (CL = 1.0 nF, TJ = + 25°C)
UNDERVOLTAGE LOCKOUT SECTION
Startup Threshold (VCC Increasing)
UVLO Hysteresis Voltage (VCC Decreasing After Turn−On)
TOTAL DEVICE
Power Supply Current
Startup (VCC = 8.0 V)
Operating
IIB
DC(max)
DC(min)
Vth
tPLH(in/out)
Ichg
Idischg
IIB
Vth
Vth
tPLH(in/out)
VOL
VOH
VOL(UVLO)
IL
tr
tf
Vth(on)
VH
ICC
40
1.1
3.0
1.0
0.9
1.25
13
12
8.8
0.4
− 0.5
45
1.25
60
9.0
4.0
1.0
1.40
50
0.25
1.2
13.5
13
0.25
100
30
30
9.2
0.8
0.5
25
− 5.0
mA
%
0
1.4
V
100
ns
20
mA
mA
15
mA
1.10
V
1.55
80
ns
V
0.4
2.2
1.0
V
500
mA
60
ns
60
ns
9.6
V
1.2
V
mA
1.2
35
3. Maximum package power dissipation limits must be observed.
4. Low duty cycle pulse techniques are used during test to maintain junction temperature as close to ambient as possible.
Tlow = 0°C for MC34025
Tlow = − 40°C for MC33025
Thigh = +70°C for MC34025
Thigh = +105°C for MC33025
http://onsemi.com
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