an8011s Panasonic Corporation of North America, an8011s Datasheet - Page 14

• Manufacturer Part Number: an8011s
• Description: 2-channel Step-down, Step-up, Or Inverting Use Dc-dc Converter Control Ic
• Manufacturer: Panasonic Corporation of North America

AN8011S
14
[7] Timing chart
Triangular wave (CT)
Short-circuit protection input threshold level
Comparator threshold level
Output transistor collector waveform
(OUT)
Application Notes (continued)
Short-circuit protection comparator
output
Output transistor collector
waveform(OUT)
Reference voltage (V
Dead-time voltage (V
Error amplifier ouput (FB)
Power supply
Latch terminal voltage
DTC terminal voltage
Lock-out release
on
3.1 V typ.
REF
)
DT
)
Figure 8. Operation waveform of short-circuit protection
Figure 7. Operation waveform of PWM comparator
Triangular wave (CT)
Supply voltage (V
Reference voltage (V
Error amplifier output (FB)
CC
Soft start operation
)
REF
)
Latch terminal voltage
Maximum duty
t
PE
Voltage Regulators
1.83 V
0.40 V
0.03 V
1.85 V
0.40 V
3.6 V
2.5 V
1.3 V
0.9 V
2.5 V
1.4 V
0.9 V
High
High
High
Low
Low
Low