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參數(shù)資料
| 型號(hào)： | SC1155CSW |
| 廠商： | Semtech Corporation |
| 英文描述： | PROGRAMMABLE SYNCHRONOUS DC/DC HYSTERETIC CONTROLLER WITH VRM 9.0 VID RANGE |
| 中文描述： | 可編程同步DC / DC控制器，電源模組采用滯回西元范圍9.0 |
| 文件頁(yè)數(shù)： | 7/19頁(yè) |
| 文件大?。?/td> | 190K |
| 代理商： | SC1155CSW |
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SC1155
PROGRAMMABLE SYNCHRONOUS
DC/DC HYSTERETIC CONTROLLER
WITH VRM 9.0 VID RANGE
2000 SEMTECH CORP.
PRELIMINARY - August 7, 2000
7
DYNAMIC ELECTRICAL CHARACTERISTICS
Unless specified: 0 < T
J <
125°C, VIN12V = 12V
PARAMETER
HYSTERETIC COMPARATORS
(1)
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
Propagation Delay Time
from
VSENSE to HIGHDR or
LOWDR (excluding
deadtime)
OUTPUT DRIVERS
(2)
t
HCPROP
10mV overdrive,
1.3V < Vref < 3.5V
150
250
ns
HIGHDR rise/fall time
tr
HIGHDR
,
tf
HIGHDR
Cl = 9nF, V
BOOT
= 6.5v,
V
BOOTLO
= grounded,
T
J
= 125 °C
Cl = 9nF, V
DRV
= 6.5v,
T
J
= 125 °C
60
ns
LOWDR rise/fall time
tr
LOWDR ,
tf
LOWDR
60
ns
OVERCURRENT PROTECTION
(1)
Comparator Propagation
Delay Time
t
OCPROP
1
μs
Deglitch Time (Includes
comparator propagation
delay time)
OVERVOLTAGE PROTECTION
(1)
t
OCDGL
2
5
μs
Comparator Propagation
Delay Time
t
OVPROP
1
μs
Deglitch Time (Includes
comparator propagation
delay time)
HIGH-SIDE Vds SENSING
(1)
t
OVDGL
2
5
μs
Response Time
t
VDSRESP
V
HISENSE
= 12v, V
IOUTLO
pulsed
from 12v to 11.9v, 100ns rise
and fall times
2
μs
V
= 4.5v, V
pulsed
from 4.5v to 4.4v, 100ns rise
and fall times
3
μs
V
HISENSE
= 3v, V
IOUTLO
pulsed
from 3.0v to 2.9v, 100ns rise
and fall times
3
μs
Short Circuit Protection
Rising Edge Delay
t
VDSRED
LOSENSE grounded
300
500
ns
Sample/Hold Switch turn-
on/turn-off Delay
t
SWXDLY
3v < V
HISENSE
< 11v
V
LOSENSE
= V
HISENSE
30
100
ns
相關(guān)PDF資料 |
PDF描述 |
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| SC1155CSW.TR | PROGRAMMABLE SYNCHRONOUS DC/DC HYSTERETIC CONTROLLER WITH VRM 9.0 VID RANGE |
| SC1155 | Programmable Synchronous DC/DC Hysteretic Controller(用于先進(jìn)微處理器的可編程同步步降DC/DC滯后型控制器（輸出電壓1.1V-1.85V)) |
| SC1156CSW | PROGRAMMABLE SYNCHRONOUS DC/DC CONTROLLER FOR ADVANCED MICROPROCESSORS |
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| SC1155CSW.TR | 制造商:SEMTECH 制造商全稱:Semtech Corporation 功能描述:PROGRAMMABLE SYNCHRONOUS DC/DC HYSTERETIC CONTROLLER WITH VRM 9.0 VID RANGE |
| SC1155CSWTR | 制造商:SEMTECH 制造商全稱:Semtech Corporation 功能描述:Programmable Synchronous DC/DC Hysteretic Controller with VRM 9.0VID Range |
| SC1155EVB | 制造商:SEMTECH 制造商全稱:Semtech Corporation 功能描述:PROGRAMMABLE SYNCHRONOUS DC/DC HYSTERETIC CONTROLLER WITH VRM 9.0 VID RANGE |
| SC1156 | 制造商:SEMTECH 制造商全稱:Semtech Corporation 功能描述:PROGRAMMABLE SYNCHRONOUS DC/DC CONTROLLER FOR ADVANCED MICROPROCESSORS |
| SC1156CSW | 制造商:SEMTECH 制造商全稱:Semtech Corporation 功能描述:PROGRAMMABLE SYNCHRONOUS DC/DC CONTROLLER FOR ADVANCED MICROPROCESSORS |
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