NCP1397BDR2G ON Semiconductor, NCP1397BDR2G Datasheet - Page 21

• Manufacturer Part Number: NCP1397BDR2G
• Description: IC CTLR RESONANT HI PERF 16-SOIC
• Manufacturer: ON Semiconductor

Specifications of NCP1397BDR2G

• Pwm Type: Controller
• Number Of Outputs: 1
• Frequency - Max: 560kHz
• Duty Cycle: 52%
• Voltage - Supply: 10.3 V ~ 20 V
• Buck: No
• Boost: No
• Flyback: No
• Inverting: No
• Doubler: No
• Divider: No
• Cuk: No
• Isolated: Yes
• Operating Temperature: -40°C ~ 125°C
• Package / Case: 16-SOIC (3.9mm Width, 15 Leads)
• Frequency-max: 560kHz
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

UVLO
Reset
+
Reset
VtimerOFF
VtimerON
Itimer1
DRIVING
LOGIC
+ -
VDD
1 = ok
0 = fault
Itimer2
SS
Vref(skip)
Figure 43. Fault Input Logic for NCP1397A
VDD
-
+
+
1 = ok
0 = fault
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discharge at VCC(on)/
restart if VFB < 0.3 V
21
Vref(fault)
+
-
Vref(OCP)
+
FB
-
+
Skip/Disable
+
SS(dis)
Ctimer
A
B
Fault
FB
A
B
Ctimer
Rtimer
Css
VCC
Skip
Average
Current
To Primary
Current Sensing
Circuitry
Input