参数资料
型号: ISL6112IRZA
厂商: Intersil
文件页数: 8/30页
文件大小: 938K
描述: IC PWR CNTRLR DUAL SLT 48-QFN
标准包装: 43
类型: 热交换控制器
应用: 通用型,PCI Express?
内部开关:
电源电压: 3.3V,12V
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 48-VFQFN 裸露焊盘
供应商设备封装: 48-QFN-EP(7x7)
包装: 管件
ISL6112
8
FN6456.1
August 25, 2011
CFILTER OVERCURRENT DELAY TIME PINS 2 AND 35 FLOATING
CFILTER Threshold Voltage
VFILTER
1.20    1.25    1.30     V
C
FILTER
 Charging Current
Nominal Current Limit Duration =
C
CFILTER
 x 550k
IFILTER    VXVIN  VXSENSE > VTHILIMIT
2     2.5     3
tFILTER    CFILTER Open
10
Current Limit Threshold Voltages
VTHILIMIT    VXIN  VXVSENSE
47.5    50    52.5    mV
Fast-Trip Threshold Voltages
VTHFAST    VXVIN  VXVSENSE
85    100    115    mV
XVSENSE Input Current
ISENSE
0.1
LOW-Level Input Voltage ON, AUXEN,
GPI, FORCE_ON
, PRSNT
VIL
0.8    V
Output LOW Voltage FAULT
, PWRGD
 
VOL     IOL = 3mA
0.4    V
HIGH-Level Input Voltage ON, AUXEN,
GPI, FORCE_ON
VIH
2.1
5
V
Internal Pull-ups to VSTBY
RPULL-UP
40    50    k&
12VIN, 3VIN Input Leakage Current    ILKG,OFF XVIN  VSTBY = +3.3V, 12VIN = OFF; 3VIN = OFF
0.5    1
Input Leakage Current, ON, AUXEN,
FORCE_ON
IIL
-2
2
Off-State Leakage Current FAULT
,
PWRGD
, GPI
ILKG(OFF)    GPI ILKG for these two pins measured with
VAUX OFF
-2
2
Over-temperature Shutdown and
Reset Thresholds, with Overcurrent On
Slot
TOV     T
J
 increasing, each slot
140
T
J
 decreasing, each slot
130
Over-temperature Shutdown and
Reset Thresholds, All Other Conditions
(All Outputs Will Latch Off)
T
J
 increasing, each slot
160
T
J
 decreasing, each slot
150
Output MOSFET Resistance VAUX
MOSFET
r
DS
(AUX)    IDS = 375mA
350    m&
Off-State Output Offset Voltage VAUX    VOFF(VAUX)   VAUX = Off
25    40    mV
Regulated Current Level
ILIM(AUX)
0.8    1    1.2    A
Output Discharge Resistance
RDIS(12V)   12VOUT = 6.0V
1400   1850    &
RDIS(3V)   3VOUT = 1.65V
140    180    &
RDIS(VAUX)   3VAUX = 1.65V
350    400    &
12V Current Limit Response Time
(See Typical Application Diagram on
page2).
tOFF(12V)    CGATE = 25pF
VIN  VSENSE = 140mV
1     2.1     祍
3.3V Current Limit Response Time
(See Typical Application Diagram on
page2).
tOFF(3V)    CGATE = 25pF
VIN  VSENSE = 140mV
 
0.3    1
VAUX Current Limit Response Time
(See Typical Application Diagram on
page2).
tSC     VAUX = 0V, VSTBY = +3.3V
2.5
Delay from MAIN Overcurrent to FAULT
 
Output
tPROP
(12V FAULT or 3V
FAULT)
CFILTER = 0
VIN  VSENSE = 140mV
1
Electrical Specifications 12VIN = 12V, 3VIN = 3.3V, VSTBY = 3.3V, T
A
 = T
J
 = -40癈 to +85癈, unless otherwise noted. Boldface
limits apply over the operating temperature range, -40癈 to +85癈. (Continued)
PARAMETER
SYMBOL
CONDITION
MIN
(Note 7)   TYP
MAX
(Note 7)  UNITS
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