MC33025DWR2G ON Semiconductor, MC33025DWR2G Datasheet - Page 4

• Manufacturer Part Number: MC33025DWR2G
• Description: IC CTRLR PWM HS DBL END 16-SOIC
• Manufacturer: ON Semiconductor

Specifications of MC33025DWR2G

• Pwm Type: Voltage/Current Mode
• Number Of Outputs: 2
• Frequency - Max: 1MHz
• Duty Cycle: 45%
• Voltage - Supply: 10 V ~ 30 V
• Buck: No
• Boost: No
• Flyback: No
• Inverting: No
• Doubler: No
• Divider: No
• Cuk: No
• Isolated: Yes
• Operating Temperature: -40°C ~ 105°C
• Package / Case: 16-SOIC (0.300", 7.5mm Width)
• Frequency-max: 1MHz
• Duty Cycle (max): 45 %
• Output Voltage: 5.05 V to 5.15 V
• Output Current: 500 mA
• Mounting Style: SMD/SMT
• Switching Frequency: 1000 KHz
• Operating Supply Voltage: 30 V
• Maximum Operating Temperature: + 105 C
• Fall Time: 30 ns
• Minimum Operating Temperature: - 40 C
• Rise Time: 30 ns
• Synchronous Pin: Yes
• Topology: Half-Bridge, Push-Pull
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

2.55 V
2.45 V
100 k
2.5 V
1.0 k
- 20
10 k
470
120
100
80
60
40
20
0
100
10
C
1. 100 nF
2. 47 nF
3. 22 nF
4. 10 nF
5. 4.7 nF
6. 2.2 nF
7. 1.0 nF
8. 470 pF
9. 220 pF
1
T
=
Figure 4. Error Amp Open Loop Gain and
100
Phase
Figure 2. Timing Resistor versus
Figure 6. Error Amp Small Signal
1000
3
2
f
osc
Phase versus Frequency
, OSCILLATOR FREQUENCY (Hz)
Oscillator Frequency
Transient Response
1.0 k
5
4
f, FREQUENCY (Hz)
10
4
Gain
7
0.1 ms/DIV
6
10 k
9
10
8
5
100 k
10
V
T
1.0 M
A
CC
6
= + 25°C
= 15 V
http://onsemi.com
10 M
10
7
45
90
135
0
4
3.0 V
2.5 V
2.0 V
1200
1000
800
600
400
200
1.28
1.26
1.24
1.22
Figure 3. Oscillator Frequency versus Temperature
- 55
1.3
1.2
0
-55
Figure 5. PWM Comparator Zero Duty Cycle
V
V
Pin 7(9) = 0 V
CC
- 25
Threshold Voltage versus Temperature
CC
-25
= 15 V
= 15 V
Figure 7. Error Amp Large Signal
T
T
0
A
A
Transient Response
, AMBIENT TEMPERATURE (°C)
0
, AMBIENT TEMPERATURE (°C)
25
0.1 ms/DIV
25
50
50
1.0 MHz
400 kHz
50 kHz
75
75
R
C
R
C
R
C
T
T
T
T
T
T
100
= 1.2 k
= 1.0 nF
= 3.6 k
= 1.0 nF
100
= 36 k
= 1.0 nF
125
125