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| L1087 Datasheet, PDF (2/10 Pages) National Semiconductor (TI) – 800mA fixed and adjustable low dropout linear regulator | |||
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àªà¬°à ·àà°Ö¨ (Note 1)
àºÏÊλγÊÏʹ͸༻ÜɾߤÛÓ஦༻ͷ֨Ù͸Íà¡ÙÎͯÍÎͤÎÉ»
Øà¿Í¢Îిؾత৴à½à©à¢¼à¹Ý§à¹Í·Ö¨ÙÎà¢à¦°Ô¼ÍÍÉ»
VIN ( à³à¾ )
VOUT ( à¥à¾ )
IOUT ( à¥à¾ )
Ú༰à¬à£¦
10V
2.85V/3.3V/5.0V/ Õม
0.8A
಺෦à©Ý¶
à²à¡Ô¹à±àµ£Ò
à¸à¬Ô¹à±
ϦÊÏ
Թౠ( Ïϯμà·Í )
Ê 125 Ë
ʵ 40 ËÊ 150 Ë
260 Ë
ؾితà²à©
à²Ý¶ÍͳÍÙÎɺVI ʹ 4.75V Ê 5.75VɺIO ʹ 10mA Ê 0.8A
Symbol
Parameter
Conditions
VREF
VD
IS
IADJ
Reference Voltage
Dropout Voltage
Current Limit
Line Regulation
Load Regulation
Adjust Current
Minimum Load
L1087-ADJ
IO ʹ 10mA, TA ʹ 25 Ë
϶VREF ʹ 1Ë, IO ʹ Full Load
VI ʹ 5V
L1087-ADJ
IO ʹ 10mA, TA ʹ 25 Ë
L1087-2.85
IO ʹ 0mA, TA ʹ 25 Ë
L1087-3.3
IO ʹ 0mA, TA ʹ 25 Ë
L1087-5.0
IO ʹ 0mA, TA ʹ 25 Ë
L1087-ADJ
VI ʹ 5V, VO ʹ 3.45V
L1087-2.85
VI ʹ 4.25V
L1087-3.3
VI ʹ 4.75V
L1087-5.0
VI ʹ 6.5V
L1087-ADJ
L1087-ADJ
Thermal Resistance
Junction to Case
Thermal Resistance
Junction to Ambient
(No heatsink; No Air
Flow (Note 2))
3 Lead SOT-223
3 Lead TO-252
3-Lead SOT-223
3-Lead TO-252
Note 1: àªà¬°à ·àà°Ö¨Í¸ÉºIC Í´à´ÕµÍàµà©Í¢ÎÕà³³à©Í·ÍÎà©Ý¶à®ÎÍÍÎ͢ɻ
Note 2: à ·à¦Í·ÏοÏ
αΠζ͸ 0.038in2
Min
Typ
Max Units
1.23
1.25
1.27
V
1.20
1.5
V
1.2
2.0
A
0.5
2
Ë
1
6
mV
1
6
mV
1
10
mV
0.5
2.5
Ë
1
10
mV
1
10
mV
1
15
mV
55
100
ÐA
10
mA
15
Ë /W
10
136
Ë /W
92
http://www.national.com
2
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