AN8014 Panasonic Semiconductor, AN8014 Datasheet - Page 15

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

Voltage regulators
[3] Timing chart (continued)
[4] P
Overcurrent protection input (CLM)
Application Notes (continued)
Latch circuit reset signal
Error amplifier output (FB)
Latch circuit set signal
D
Triangular wave (CT)
Out pin waveform
T
a
curves of SOP016-P-0225A
Figure 3. Waveforms of the pulse-by-pulse overcurrent protection operation
Overcurrent
detection
Latch set
Output off
600
518
500
400
360
300
207
200
143
100
0
0
25
Ambient temperature
50
P
D
Glass epoxy printed
circuit board
(50 mm 50 mm t0.8 mm)
R
P
D
thj a
75
380 mW (25 C)
85
T
263 C/W
Turned on in the next cycle.
a
Independent IC
without a heat sink
R
P
D
thj a
100
T
Latch reset
a
360 mW (25 C)
( C)
278 C/W
125
150
t
DLY
: Delay time
AN8014S
1.32 V
0.44 V
High
Low
V
V
High
Low
High
Low
CC
CC
95 mV
15