參數(shù)資料
型號: TPS2343DDPR
廠商: TEXAS INSTRUMENTS INC
元件分類: 電源管理
英文描述: 6-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO80
封裝: GREEN, PLASTIC, HTSSOP-80
文件頁數(shù): 38/42頁
文件大?。?/td> 942K
代理商: TPS2343DDPR
TPS2343
SLUS644B FEBRUARY 2005 MAY 2005
5
www.ti.com
DISSIPATION RATING TABLE
PACKAGE
TA
THERMAL RESISTANCE
JUNCTION TO CASE
ΘJC
THERMAL RESISTANCE
JUNCTION TO AMBIENT
(NOTE 1)
ΘJA
THERMAL RESISTANCE
JUNCTION TO AMBIENT
(NOTE 2)
ΘJA
HTSSOP80 (DDP)
40
_C to 85 _C
1.4
_C/W
23
_C/W
32
_C/W
Note 1: Thermal resistance measured using an 8-layer PC board following the layout recommendations in TI Publication PowerPAD Thermally
Enhanced Package Technical Brief SLMA002.
Note 2: Thermal resistance measured using an 8-layer PC board using only top PC board copper to spread the heat.
SERIAL MODE PINOUT
DIGVCC 40
PLEDENB 39
ALEDENB 38
PCIXCAP2B 26
FAULTB 27
AUXFLTB 28
M12VOB 21
MISET 22
ANAGND1 23
PCIXCAP1B 24
DIGGND2 25
5VGB 16
P12VINB 17
P12VGB 18
P12VOB 19
M12VINB 20
15VIOGB 11
VIOISB 12
VIOSB 13
5VISB 14
5VSB 15
3VAUXGA 1
3VAUXA 2
3VAUXI 3
3VAUXGB 4
3VAUXB 5
3VGB 6
3VISB 7
3VSB 8
3VIOGB 9
PWRGND1 10
71 PWRGND2
72 V5IN
73 3VIOGA
74 3VSA
75 3VISA
76 3VGA
77 PMEA
78 PMEOA
79 PMEOB
80 PMEB
70 15VIOGA
69 VIOISA
68 VIOSA
67 5VISA
66 5VSA
43 ALEDENA
42 PLEDENA
41 DIGGND1
64 P12VINA
63 P12VGA
62 P12VOA
61 M12VINA
60 M12VOA
59 ANAGND2
58 PGOOD
57 PCIXCAP1A
56 DIGGND3
55 PCIXCAP2A
54 FAULTA
53 AUXFLTA
65 5VGA
OUTUVB 29
VIOSELB 37
PWRLEDB 36
ATTLEDB 35
SWB 34
PWRENB 33
PWROFFB 32
PCIXCAP3B 30
PCIXCAPB 31
52 OUTUVA
44 VIOSELA
51 PCIXCAP3A
50 PCIXCAPA
49 PWROFFA
48 PWRENA
47 SWA
46 ATTLEDA
45 PWRLEDA
HTSSOP-80 DDP Package (Top View)
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