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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： | 14/18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
5
ELECTRICAL CHARACTERISTICS (cont.)
Unless specified: 0 < T
J < 125°C, VIN = 12V
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
SOFT START
Charge Current
I
CHG
V
SS = 0.5V, resistance from
VREFB pin to AGND = 20k
,
V
REFB = 1.3V
Note: I
CHG = (IVREFB / 5)
10.4
13
15.6
A
Discharge Current
Idischg
V
(S/S) = 1V
1
mA
INHIBIT COMPARATOR
Start Threshold
Vstart
INH
12.0
2.4
V
VIN12V UVLO
Start Threshold
Vstart
UVLO
9.25
10
10.75
V
Hysteresis
Vhys
UVLO
1.8
2
2.2
V
HYSTERETIC COMPARATOR
Input Offset Voltage
Vos
HYSCMP
V
DROOP pin grounded
5
mV
Input Bias Current
Ibias
HYSCMP
1A
Hysteresis Accuracy
V
HYS_ACC
7mV
Hysteresis Setting
V
HYS_SET
60
mV
DROOP COMPENSATION
Initial Accuracy
V
DROOP_ACC
V
DROOP = 50mV
5
mV
OVERCURRENT PROTECTION
OCP Trip Point
V
OCP
0.09
0.1
0.11
V
Input Bias Current
Ibias
OCP
100
nA
HIGH-SIDE VDS SENSING
Gain
2V/V
Initial Accuracy
V
IOUT_ACC
V
HISENSE = 12V, VIOUTLO = 11.9V
6
mV
IOUT Source
Isource
IOUT
V
IOUT = 0.5V, VHISENSE = 12V,
V
IOUTLO = 11.5V
500
A
IOUT Sink Current
Isink
IOUT
V
IOUT = 0.05V, VHISENSE = 12V,
V
IOUTLO = 12V
40
50
A
Output Voltage Swing
V
HISENSE = 11V,
R
IOUT = 10k0hm
03.75
V
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相关代理商/技术参数 |
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| 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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