參數(shù)資料
型號(hào)： LM93CIMT
廠商： NATIONAL SEMICONDUCTOR CORP
元件分類(lèi)： 電源管理
英文描述： Hardware Monitor with Integrated Fan Control for Server Management
中文描述： 16-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO56
封裝： MO-153EE, TSSOP-56
文件頁(yè)數(shù)： 90/92頁(yè)
文件大?。?/td> 654K
代理商： LM93CIMT
Symbol
Pin #
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
D1
D2
D4
D5
D6
SNP
R1
AD_IN1
AD_IN2
AD_IN3
AD_IN4
AD_IN5
AD_IN6
AD_IN7
AD_IN8
AD_IN9
AD_IN10
AD_IN11
AD_IN12
AD_IN13
AD_IN14
AD_IN15
ADDR_SEL
AD_IN16/V
DD
(V+)
GND
PWM1
PWM2
P1_VID0
P1_VID1
P1_VID2
P1_VID3
P1_VID4
P1_VID5
P1_PROCHOT
P2_PROCHOT
P2_VID0
P2_VID1
P2_VID2
P2_VID3
P2_VID4
P2_VID5
U
U
U
U
U
U
U
U
U
U
U
U
U
U
U
U
U
U
U
U
U
U
U
U
U
U
U
U
U
U
U
U
U
U
U
U
U
U
U
U
U
U
U
U
U
U
U
U
U
U
U
U
U
U
U
U
U
U
U
U
U
U
U
U
U
U
U
U
U
U
U
U
U
U
U
U
U
U
U
U
U
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
Internally shorted to AGND.
U
U
U
50
50
U
U
U
U
U
U
U
U
U
U
U
U
U
U
U
U
U
U
50
50
U
U
U
U
U
U
U
U
U
U
U
U
U
U
U
Note 4:
Human body model, 100 pF discharged through a 1.5 k
resistor. Machine model, 200 pF discharged directly into each pin.
Note 5:
Reflow temperature profiles are different for lead-free and non lead-free packages.
Note 6:
The maximum power dissipation must be de-rated at elevated temperatures and is dictated by T
JMAX
,
θ
JA
and the ambient temperature, T
A
. The maximum
allowable power dissipation at any temperature is PD = (T
JMAX
T
A
) /
θ
JA
. The
θ
JA
for the LM93 when mounted to 1 oz. copper foil PCB the
θ
JA
with different air
flow is listed in the following table.
Air Flow
0 m/s
Junction to Ambient Thermal Resistance,
θ
JA
79 C/W
62 C/W
52 C/W
1.14 m/s (225 LFPM)
2.54 m/s (500 LFPM)
Note 7:
See the URL "http://www.national.com/packaging/" for other recommendations and methods of soldering surface mount devices.
Note 8:
When measuring an MMBT3904 transistor, 4 C should be subracted from all temperature readings.
Note 9:
Typical parameters are at T
J
= T
A
= 25 C and represent most likely parametric norm.
Note 10:
Limits are guaranteed to National’s AOQL (Average Outgoing Quality Level).
Note 11:
TUE (Total Unadjusted Error) includes Offset, Gain and Linearity errors of the ADC.
Note 12:
Total Monitoring Cycle Time includes all temperature and voltage conversions.
Note 13:
Leakage current approximately doubles every 20 C.
Note 14:
A total digital I/O current of 40mA can cause 6mV of offset in Vref.
L
www.national.com
90
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