AN8022L データシートの表示（PDF） - Panasonic Corporation
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AN8022L Datasheet PDF : 16 Pages
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AN8022L, AN8022SB
Voltage Regulators
s Electrical Characteristics at Ta = 25°C (continued)
• Design reference data
Note) The characteristics listed below are theoretical values based on the IC design and are not guaranteed.
Parameter
Symbol
Conditions
Min Typ Max Unit
Oscillation frequency 2
Overcurrent protection delay time
Output voltage rise time
Output voltage fall time
fOSC2
tDry-CLM
tr
tf
Ta = −30°C to +85°C
VCC = 18 V under no load
VCC = 18 V under no load
VCC = 18 V under no load
160 240 kHz
200 ns
35 ns
25 ns
s Terminal Equivalent Circuits
Pin No.
Equivalent circuit
1
(11)
PWM
comp.
500 Ω
1 (11)
2
VREF
(12)
3
VREF
(13)
(13)
3
500 Ω
(12) 2
IO
2IO
PWM
comp.
Description
I/O
SS:
Soft start terminal.
When VCC is applied, the capacitor connected to
this pin is charged, and the output duty is de-
creased by inputting the capacitor voltage to the
PWM.
RT:
The terminal for connecting a resistor to deter-
mine the charge and discharge current of the
triangular wave.
CT:
The terminal for connecting a capacitor to gener-
ate the triangular wave.
4
(15)
VREF Reset
CLM(−):
I
The input terminal for pulse-by-pulse overcurrent
protection. It is usually required to attach an ex-
ternal filter.
4 (15)
5
GND, (PGND), (SGND):
(1)(16)
Grounding terminal.
Note) The number in ( ) is the pin number for the AN8022SB.
4
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