NCP1252ADR2G ON Semiconductor, NCP1252ADR2G Datasheet - Page 7

• Manufacturer Part Number: NCP1252ADR2G
• Description: IC PWM CTLR CURRENT MODE 8-SOIC
• Manufacturer: ON Semiconductor

Specifications of NCP1252ADR2G

• Frequency - Max: 500kHz
• Pwm Type: Current Mode
• Number Of Outputs: 1
• Duty Cycle: 50%
• Voltage - Supply: 9 V ~ 28 V
• Buck: No
• Boost: No
• Flyback: Yes
• Inverting: No
• Doubler: No
• Divider: No
• Cuk: No
• Isolated: Yes
• Operating Temperature: -25°C ~ 125°C
• Package / Case: 8-SOIC (0.154", 3.90mm Width)
• Duty Cycle (max): 48 %
• Mounting Style: SMD/SMT
• Switching Frequency: 92 KHz to 550 KHz
• Maximum Operating Temperature: + 125 C
• Fall Time: 22 ns
• Rise Time: 26 ns
• Synchronous Pin: No
• Topology: Flyback, Forward
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

160
140
120
100
108
106
104
102
100
500
450
400
350
300
250
200
150
100
80
60
40
20
98
96
94
92
50
0
0
−40
−40
0
Figure 11. Propagation Delay from CS to DRV
Figure 15. Oscillator Frequency vs. Oscillator
Figure 13. Oscillator Frequency vs. Junction
−20
−20
20
0
vs. Junction Temperature
0
TEMPERATURE (°C)
TEMPERATURE (°C)
Rt RESISTOR (kW)
20
20
Temperature
40
Resistor
40
40
60
60
60
80
80
TYPICAL CHARACTERISTICS
80
100
100
http://onsemi.com
120
120
100
7
160
140
120
100
108
106
104
102
100
80
60
40
20
98
96
94
92
49
48
47
46
45
0
−40
10
10
Figure 16. Maximum Duty−cycle, A Version vs.
Figure 12. Propagation Delay from CS to DRV
Figure 14. Oscillator Frequency vs. Supply
−20
15
15
0
SUPPLY VOLTAGE Vcc (V)
SUPPLY VOLTAGE Vcc (V)
Junction Temperature
vs. Supply Voltage
TEMPERATURE (°C)
20
Voltage
40
20
20
60
80
25
25
100
120
30
30