AN8021L Просмотр технического описания (PDF) - Panasonic Corporation
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AN8021L Datasheet PDF : 16 Pages
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Voltage Regulators
AN8021L, AN8021SB
s Absolute Maximum Ratings
Parameter
Symbol
Rating
Unit
Supply voltage
VCC
35
V
OVP terminal allowable application voltage VOVP
VCC
V
CLM terminal allowable application voltage VCLM
− 0.3 to +7.0
V
SS terminal allowable application voltage
VSS
− 0.3 to +7.0
V
Constant output current
IO
±150
mA
Peak output current
IOP
±1 000
mA
IFB terminal allowable application voltage
IFB
−5
mA
Power dissipation
AN8021L
PD
658
mW
AN8021SB
340
Operating ambient temperature *
Topr
−30 to +85
°C
Storage temperature *
Tstg
−55 to +150
°C
Note) *: Expect for the operating ambient temperature and storage temperature, all ratings are for Ta = 25°C.
s Recommended Operating Range
Parameter
Symbol
Range
Unit
Timing resistor RT
R7
15 to 20
kΩ
s Electrical Characteristics at Ta = 25°C
Parameter
Symbol
Conditions
Start voltage
VCC-START
Stop voltage
VCC-STOP
Standby bias current
ICC-STB VCC = 12 V
Operating bias current
ICC-OPR VCC = 34 V
OVP operating bias current 1
ICC-OVP1 VCC = 20 V
OVP operating bias current 2
ICC-OVP2 VCC = 10 V
OVP operating threshold voltage
VTH-OVP VCC = 18 V
OVP release supply voltage
VCC-OVPC
Timer latch charge current
ICH-TIM VCC = 18 V, RT = 19 kΩ
Timer latch start feedback current
IFB-TIM VCC = 18 V
Soft-start charge current
ICH-SS VCC = 18 V, RT = 19 kΩ
Overcurrent protection threshold voltage 1 VTH-CLM1 VCC = 18 V
Pre-start low-level output voltage
VOL-STB VCC = 12 V, IO = 10 mA
Low-level output voltage
VOL VCC = 18 V, IO = 100 mA
High-level output voltage
VOH VCC = 18 V, IO = −100 mA
Oscillation frequency 1
fOSC1 VCC = 18 V
Maximum duty 1
Dumax1 VCC = 18 V
Feedback current at 0% duty
Feedback current at maximum duty
IFB-Dumin
IFB-Dumax
VCC = 18 V
VCC = 18 V
Min Typ Max Unit
13.0 14.2 15.4 V
8.5 9.2 9.9 V
50 70 105 µA
6.4 8.0 9.6 mA
2.4 3.0 3.6 mA
0.44 0.55 0.66 mA
5.4 6.0 6.6 V
7.6 8.4 9.2 V
−20 −30 −40 µA
− 0.37 − 0.5 − 0.63 mA
−20 −30 −40 µA
−180 −200 −220 mV
0.8 1.8 V
1.3 1.8 V
15.0 16.5 V
175 200 225 kHz
62 66 70 %
−1.1 −1.5 −1.9 mA
− 0.37 − 0.5 − 0.63 mA
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