MC34067DW ON Semiconductor, MC34067DW Datasheet - Page 5

• Manufacturer Part Number: MC34067DW
• Description: IC CTRLR SMPS DBL END HF 16SOIC
• Manufacturer: ON Semiconductor
• Type: Flybackr

Specifications of MC34067DW

• Internal Switch(s): No
• Synchronous Rectifier: No
• Number Of Outputs: 1
• Current - Output: 100mA
• Frequency - Switching: 525kHz ~ 2.05MHz
• Voltage - Input: 2.5 ~ 20 V
• Operating Temperature: 0°C ~ 70°C
• Mounting Type: Surface Mount
• Package / Case: 16-SOIC (0.300", 7.5mm Width)
• Power - Output: 862mW
• Output Voltage Range: 5 V to 5.2 V
• Input Voltage Range: 20 V
• Mounting Style: SMD/SMT
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Voltage - Output: -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant
• Other names: MC34067DWOS

- 20
0.35
0.30
0.25
0.20
0.15
0.10
0.05
-10
500
400
300
200
100
50
40
30
20
10
0
0
10 k
0
0
Figure 6. Open Loop Voltage Gain and Phase
Figure 4. Error Amp Output Low State Voltage
C
OSC
Figure 2. Oscillator Timing Resistor
Oscillator Discharge Time is Measured at the Drive Outputs.
0.5
versus Oscillator Control Current
I
OSC
= 200 pF
t
20
dischg
, OSCILLATOR CONTROL CURRENT (mA)
, OSCILLATOR DISCHARGE TIME (ms)
versus Discharge Time
100 k
versus Frequency
1.0
Phase
Gain
f, FREQUENCY (Hz)
40
1.5
C
60
OSC
1.0M
C
Margin
Phase
2.0
= 64°
= 300 pF
OSC
= 500 pF
V
V
R
T
A
CC
O
L
80
= 25°C
= 100 k
= 2.0 V
2.5
= 12 V
V
R
R
C
T
A
CC
VFO
T
T
= 25°C
= ∞
= 500 pF
http://onsemi.com
= 12 V
= ∞
10M
100
3.0
50
60
70
80
90
100
110
120
5
3500
3000
2500
2000
1500
1000
500
- 10
- 20
- 30
- 40
- 50
6.0
3.0
60
30
20
10
0
- 55
0
0.1
0
*V
Figure 7. Reference Output Voltage Change
*V
ref
V
C
R
T
A
Figure 3. Oscillator Frequency versus
CC
ref
V
T
R
OSC
OSC
= 5.1 V
A
CC
= 25°C
OSC
Figure 5. One−Shot Timing Resistor
- 25
= 5.0 V
*V
= 25°C
= 12 V
I
OSC
400
= 500 pF
= 100 k
= 12 V
ref
= 18.2 k
C
= 5.2 V
, OSCILLATOR CONTROL CURRENT (mA)
T
Oscillator Control Current
0.3
= 300 pF
T
A
t
OS
0
, AMBIENT TEMPERATURE (°C)
versus Temperature
, ONE-SHOT PERIOD (ms)
versus Period
800
0.6
V
R
*V
25
CC
L
C
ref at
= ∞
OSC
= 12 V
1.0
C
T
= 300 pF
T
A
One-Shot Period is Measured
at the Drive Outputs.
1200
= 200 pF
= 25°C
50
75
3.0
1600
C
T
= 500 pF
100
6.0
2000
125
10