KB2301 データシートの表示（PDF） - Kingbor Technology Co
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KB2301 Datasheet PDF : 10 Pages
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Kingbor Technology Co.,Ltd
TEL:(86)0755-26508846 FAX:(86)0755-26509052
Absolute Maximum Ratings
KB2301
Type
Symbol Description
Value
Unit
Voltage
Vmax
Maximum voltage on VOUT and VLX pins
8
V
Vmin-max Voltage range on EXT and EN pins
-0.3-VOUT+0.3 V
Current
ILXmax Maximum current on LX pin
1000
mA
IEXTmax Maximum current on EXT pin
100
mA
Power dissipation Psot-23-3 Maximum Power dissipation for SOT-23-3 package 0.25
W
Psot-23-5 Maximum Power dissipation for SOT-23-5 package 0.25
W
Thermal
Psot-89 Maximum Power dissipation for SOT-89 package 0.5
W
Tmin-max Operation temperature range
-20-85
oC
Tstorage Storage temperature range
-40-165
oC
ESD
VESD
ESD voltage for human body mode
2000
V
Electronic Characteristics
Parameter
Symbol Test Condition
Min
Output voltage accuracy
ƸVOUT
-2
Maximum input voltage
VINMAX
0.7
Start-up voltage
VSTART ILOAD=1mA, VIN:0ė2V
Hold-on voltage
VHOLD
ILOAD=1mA, VIN:2ė0V 0.6
Maximum oscillation frequency FMAX
350
Oscillator duty cycle
DCOSC
75
Efficiency
¨
Current limit
Input current at no load
,/,0,7
600
,,1 VIN=1.8V VOUT=3.0V
VIN=1.8V VOUT=5.0V
VOUT pin current at switch off ,287 Drive VOUT pin with
voltage VOUT+0.5V
Input standby current
,,14 No load, EN=“low”
Typ Max Unit
2
%
VOUT V
0.85 V
V
400 450 KHz
80 85
%
85 88
%
800 1000 mA
20
uA
uA
6
8
uA
1
uA
3
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