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參數(shù)資料
| 型號： | LA5679T |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | 0.03 A SWITCHING CONTROLLER, 320 kHz SWITCHING FREQ-MAX, PDSO36 |
| 封裝： | 0.275 INCH, TSSOP-36 |
| 文件頁數(shù)： | 1/14頁 |
| 文件大小： | 199K |
| 代理商： | LA5679T |
92706 / 12606 MS OT B8-6272 No.7619-1/14
LA5679T
Overview
The LA5679T is an 3ch switching regulator control IC.
Functions
Operable on low voltage, min 1.8V.
OUT1 to drive an external PNP.
OUT2 to 3 to drive an external NPN.
3ch independent standby circuit incorporated.
Reference voltage accuracy ±1%.
MOS transistor driving possible.
Specifications
Absolute Maximum Ratings at Ta = 25
°C
Parameter
Symbol
Conditions
Ratings
Unit
Maximum supply voltage
VCC max
14
V
Allowable power dissipation
Pd max
Independent IC
0.4
W
Operating temperature
Topr
-20 to +85
°C
Storage temperature
Tstg
-55 to +150
°C
Operating Conditions at Ta = 25°C
Parameter
Symbol
Conditions
Ratings
Unit
Supply voltage 1
VCC
1.8 to 11
V
Supply voltage 2
VBIAS
1.8 to 11
V
Output sync current
ISINK max
0 to 30
mA
Reference voltage output current
IREF
0 to 1
mA
Timing resistor
RT
3 to 30
k
Timing capacity
CT
100 to 1000
pF
Triangular wave frequency
fOSC
0.1 to 1
MHz
Ordering number : EN7619
Monolithic Linear IC
3ch Switching Regulator
Control IC
Any and all SANYO Semiconductor products described or contained herein do not have specifications
that can handle applications that require extremely high levels of reliability, such as life-support systems,
aircraft's control systems, or other applications whose failure can be reasonably expected to result in
serious physical and/or material damage. Consult with your SANYO Semiconductor representative
nearest you before using any SANYO Semiconductor products described or contained herein in such
applications.
SANYO Semiconductor assumes no responsibility for equipment failures that result from using products
at values that exceed, even momentarily, rated values (such as maximum ratings, operating condition
ranges, or other parameters) listed in products specifications of any and all SANYO Semiconductor
products described or contained herein.
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