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參數(shù)資料
| 型號： | SC473 |
| 廠商： | Semtech Corporation |
| 英文描述： | Single-Phase Single Chip Graphics Core Power Supply |
| 中文描述： | 單相單芯片圖形核心供電 |
| 文件頁數(shù)： | 6/18頁 |
| 文件大小： | 486K |
| 代理商： | SC473 |
6
2006 Semtech Corp.
www.semtech.com
SC473
POWER MANAGEMENT
Electrical Characteristics (Cont.)
Parameter
Condition
Min
Typ
Max
Units
High-Side Driver (TG, BST, DRN)
Peak Current
(1)(2)
1.75
2.0
2.25
A
On-Resistance
R
TG_UP
TG_UP
, DRN < 0.5V, 25°C
4.1
5.8
7.5
Ω
R
TG_UP
TG_UP
, DRN < 0.5V,
3.48
5.8
9.24
Ω
R
TG_UP
TG_UP,,
,
, DRN > 0.5V, 25°C
0.9
1.3
1.7
Ω
R
TG_UP
TG_UP
, DRN > 0.5V,
0.76
1.3
1.7
Ω
R
TG_DN
TG_DN
, at 25°C
0.42
0.6
0.78
Ω
R
T
TG_DN
G_DN
, -40 to 125°C
0.34
0.6
1.01
Ω
Rise Time
(1, 2)
C
TG
= 3nF
17
22
27
ns
Fall Time
(1, 2)
C
TG
= 3nF
9
12
15
ns
Propagation Delay
(1, 2)
From Hysteretic Comparator
Inputs to Driver Output
30
45
60
ns
Shoot-thru Protection Delay
(1)
10
20
30
ns
Lower-Side Driver (BG, V5, PGND)
Peak Current
(1, 2)
3.5
4.0
4.5
A
On-Resistance
R
BG_UP
at 25°C
0.9
1.3
1.7
Ω
R
BG_UP
BG_UP
at -40° to 125°C
0.76
1.3
2.1
Ω
R
BG_DN
at 25°C
0.35
0.5
0.65
Ω
R
BG_DN
BG_DN
at -40° to 125°C
0.28
0.5
0.86
Ω
Rise Time
(1, 2)
C
BG
= 3nF
5
7
9
ns
Fall Time
(1, 2)
C
BG
= 3nF
2.5
3.5
4.5
ns
Notes:
(1) Guaranteed by design.
(2) T
J
= 25°C
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| SC473EVB | Single-Phase Single Chip Graphics Core Power Supply |
| SC473MLTRT | Single-Phase Single Chip Graphics Core Power Supply |
| SC475A | Synchronous Buck Controller with Dual-Level VOUT Transition Support |
| SC475AEVB | Synchronous Buck Controller with Dual-Level VOUT Transition Support |
| SC475AMLTRT | Synchronous Buck Controller with Dual-Level VOUT Transition Support |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| SC473EVB | 制造商:SEMTECH 制造商全稱:Semtech Corporation 功能描述:Single-Phase Single Chip Graphics Core Power Supply |
| SC473MLTRT | 制造商:SEMTECH 制造商全稱:Semtech Corporation 功能描述:Single-Phase Single Chip Graphics Core Power Supply |
| SC47-51-SUF | 制造商:Mikalor 功能描述:WIDE BOLT CLIP,47-51MM |
| SC475A | 制造商:SEMTECH 制造商全稱:Semtech Corporation 功能描述:Synchronous Buck Controller with Dual-Level VOUT Transition Support |
| SC475AEVB | 制造商:SEMTECH 制造商全稱:Semtech Corporation 功能描述:Synchronous Buck Controller with Dual-Level VOUT Transition Support |
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