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A6986 데이터시트(PDF) 11 Page - STMicroelectronics

부품명 A6986
상세설명  38 V, 2 A synchronous step-down switching regulator with 30 µA quiescent current
PDF  67 Pages
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제조업체  STMICROELECTRONICS [STMicroelectronics]
홈페이지  http://www.st.com
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DocID026211 Rev 6
11/67
A6986
Electrical characteristics
67
All the population tested at TJ = -40 to 135 °C, VIN = 12 V unless otherwise specified.
Thermal shutdown
TSHDWN
Thermal shutdown
temperature
(2)
165
°C
THYS
Thermal shutdown hysteresis
(2)
30
1. Parameter tested in static condition during testing phase. Parameter value may change over dynamic application condition.
2. Not tested in production.
3. LCM enables SLEEP mode at light-load.
4. TJ = -40 °C.
5. Measured at fSW = 250 kHz.
Table 5. Electrical characteristics (continued)
Symbol
Parameter
Test condition
Note Min. Typ. Max. Unit
Table 6. fSW selection
Symbol
RVCC (E24 series)
RGND (E24 series)
fSW min.
fSW typ.
fSW max.
Note
Unit
fSW
0
NC
225
250
275
(1)
kHz
1.8 k
NC
285
(2)
3.3 k
NC
330
5.6 k
NC
380
10 k
NC
435
NC
0
450
500
550
(1)
18 k
NC
575
(2)
33 k
NC
660
56 k
NC
755
NC
1.8 k
870
NC
3.3 k
900
1000
1100
NC
5.6 k
1150
(2)
NC
10 k
1310
NC
18 k
1500
(2), (3)
NC
33 k
1575
1750
1925
(3)
NC
56 k
1800
2000
2200
1. Preferred codifications don't require any external resistor.
2. Not tested in production.
3. No synchronization as slave in LNM.



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