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参数资料
| 型号： | SC1154CSW |
| 厂商： | Semtech Corporation |
| 英文描述： | PROGRAMMABLE SYNCHRONOUS DC/DC HYSTERETIC CONTROLLER FOR ADVANCED PROCESSORS |
| 中文描述： | 可编程同步DC / DC滞控制器的先进的处理器 |
| 文件页数： | 16/18页 |
| 文件大小： | 164K |
| 代理商： | SC1154CSW |
SC1154
PROGRAMMABLE SYNCHRONOUS
DC/DC HYSTERETIC CONTROLLER
FOR ADVANCED PROCESSORS
2000 SEMTECH CORP.
652 MITCHELL ROAD NEWBURY PARK CA 91320
PRELIMINARY - March 1, 2000
7
ELECTRICAL CHARACTERISTICS (cont.)
Unless specified: 0 < T
J < 125°C, VIN12V = 12V
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
HIGH-SIDE OUTPUT DRIVER (cont.)
Output Resistance
Rsrc
HIGHDR’
T
J = 125°C
V
BOOT - VBOOTLO = 6.5V,
V
HIGHDR = 6V
45
Rsink
HIGHDR
T
J = 125°C
V
BOOT - VBOOTLO = 6.5V,
V
HIGHDR = 0.5V
5
LOW-SIDE OUTPUT DRIVER
Peak Outout Current
Isrc
LOWDR’
Isink
LOWDR
duty cycle < 2%, tpw < 100us,
T
J = 125°C
V
DRV = 6.5V, VLOWDR = 1.5V
(src), or V
LOWDR = 5V (sink)
(Note 1)
2
A
Output Resistance
Rsrc
LOWDR’
T
J = 125°C
V
DRV = 6.5V, VLOWDR = 6V
45
Rsink
LOWDR
T
J = 125°C
V
DRV = 6.5V, VLOWDR = 0.5V
5
HYSTERETIC COMPARATORS
(1)
Propagation Delay Time
from
VSENSE to HIGHDR or
LOWDR (excluding
deadtime)
t
HCPROP
10mV overdrive,
1.3V < Vref < 3.5V
150
250
ns
OUTPUT DRIVERS
HIGHDR rise/fall time
tr
HIGHDR
,tfHIGHDR
Cl = 9nF,
V
BOOT = 6.5v,
V
BOOTLO = grounded,
T
J = 125 °C
60
ns
LOWDR rise/fall time
tr
LOWDR ,
tf
LOWDR
Cl = 9nF,
V
DRV = 6.5v,
T
J = 125 °C
60
ns
OVERCURRENT PROTECTION
(1)
Comparator Propagation
Delay Time
t
OCPROP
1s
Deglitch Time
t
OCDGL
13
s
OVERVOLTAGE PROTECTION
Comparator Propagation
Delay Time
t
OVPROP
1s
Deglitch Time
t
OVDGL
13
s
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相关代理商/技术参数 |
参数描述 |
|---|---|
| SC1155 | 制造商:SEMTECH 制造商全称:Semtech Corporation 功能描述:Programmable Synchronous DC/DC Hysteretic Controller with VRM 9.0VID Range |
| SC1155_01 | 制造商:SEMTECH 制造商全称:Semtech Corporation 功能描述:Programmable Synchronous DC/DC Hysteretic Controller with VRM 9.0VID Range |
| SC1155CSW | 制造商:SEMTECH 制造商全称:Semtech Corporation 功能描述:PROGRAMMABLE SYNCHRONOUS DC/DC HYSTERETIC CONTROLLER WITH VRM 9.0 VID RANGE |
| SC1155CSW.TR | 制造商:SEMTECH 制造商全称:Semtech Corporation 功能描述:PROGRAMMABLE SYNCHRONOUS DC/DC HYSTERETIC CONTROLLER WITH VRM 9.0 VID RANGE |
| SC1155CSWTR | 制造商:SEMTECH 制造商全称:Semtech Corporation 功能描述:Programmable Synchronous DC/DC Hysteretic Controller with VRM 9.0VID Range |
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