AN8014 Panasonic Semiconductor, AN8014 Datasheet - Page 14

• Manufacturer Part Number: AN8014
• Description: Step-down/ step-up/ or inverting DC-DC converter control IC
• Manufacturer: Panasonic Semiconductor

AN8014S
14
[3] Timing chart
Application Notes (continued)
S.C.P. pin voltage
Power supply
Out pin waveform
DTC pin voltage
Triangular wave (CT)
Out pin waveform
S.C.P. pin voltage
Short-circuit protection comparator
turning on
Error amplifier output (FB)
Internal reference voltage
Short-circuit protection
OFF pin voltage
comparator output
(threshold level)
Internal reference voltage
Supply voltage (V
Figure 2. Short-circuit protection operation waveform
Triangular wave (CT)
CC
Figure 1. PWM comparator operation waveform
)
Error amplifier output (FB)
Software start operation
DTC pin voltage
The maximum duty
t
PE
Voltage regulators
High
Low
3.6 V
2.6 V
1.87 V
1.32 V
0.44 V
0.03 V
High
Low
2.6 V
1.87 V
1.32 V
0.44 V
High
Low
0.75 V
0.03 V
High
Low