参数资料
型号: MIC2341R-2YTQ
厂商: Micrel Inc
文件页数: 9/32页
文件大小: 1277K
描述: IC HOT PLUG CTLR DUAL PCI 48TQFP
标准包装: 250
类型: 热交换控制器
应用: 通用型,PCI Express?
内部开关:
电流限制: 可调
电源电压: 3.3V,12V
工作温度: 0°C ~ 70°C
安装类型: 表面贴装
封装/外壳: 48-TQFP
供应商设备封装: 48-TQFP(7x7)
包装: 管件
产品目录页面: 1085 (CN2011-ZH PDF)
其它名称: 576-2987
Micrel, Inc.
MIC2341/2341R
 
 
October 2007 
9
M9999-102507-A
 (408) 944-0800
 
 
Absolute Maximum Ratings
(1)
12VIN[A/B], 12VSENSE[A/B], 12VGATE[A/B],
     12VOUT[A/B]
 
.................................................... 14V
3VIN[A/B], 3VSENSE[A/B], 3VGATE[A/B],
3VOUT[A/B], VSTBY[A/B], VAUX[A/B] ...................... 7V
Digital Inputs 
ON[A/B], AUXEN[A/B], /CRSW[A/B],
/FORCE_ON[A/B].................. 0.5V (min) to 3.6V (max)
CFILTER[A/B], RFILTER[A&B]................................... 7V
Output Current
 
/PWRGD[A/B], /DLY_PWRGD[A/B]
/FAULT_MAIN[A/B], SYSPWRGD, /INT,
/FAULT_AUX[A/B]
10mA
Power Dissipation................................ Internally Limited
Lead Temperature (Soldering)
     Lead-Free Package (-xYTQ)
IR Reflow, Peak.................................. 260癈 +0癈/5癈
Storage Temperature .......................... 65癈 to +150癈
ESD Rating
(3)
 
     Human Body Model.............................................2kV
Machine Model................................................. 200V
Operating Ratings
(2)
Supply Voltages
     12VIN[A/B]........................................ 11.0V to 13.0V
     3VIN[A/B].............................................. 3.0V to 3.6V
     VSTBY[A/B] .......................................... 3.0V to 3.6V
Ambient Temperature (T
A
) ........................0癈 to + 70癈
Junction Temperature (T
J
).....................................125癈
Package Thermal Resistance
     TQFP (?/DIV>
JA
) .................................................76.8癈/W
 
 
DC Electrical Characteristics
(4)
 
12V
IN[A/B]
 = 12V, 3V
IN[A/B]
 = 3.3V, V
STBY[A/B]
 = 3.3V, T
A
 = 25癈, unless otherwise noted. Bold values specifications applies
over the full operating temperature range from 0 癈 <
 T
A
 <
 +70 癈.
Symbol
Parameter
Condition
Min
Typ
Max
Units
Power Control and Logic Sections 
I
CC12
 
I
CC3.3
 
I
CCSTBY
 
Supply Current
/CRSW[A/B] = LOW
/FORCE_ON[A/B] = HIGH
AUX_EN[A/B], ON[A/B] = [L,H], [L,L]
 
1.8
0.6
2.8
3
2.5
5
mA
mA
mA
V
UVLO(12V)
 
V
UVLO(3V) 
V
UVLO(STBY)
 
Undervoltage Lockout Thresholds
12VIN[A/B]
3VIN[A/B]
VSTBY[A/B]
 
12V
IN[A/B]
 increasing
3V
IN[A/B]
 increasing
V
STBY[A/B]
 increasing
 
8
2.2
2.8
 
9
2.5
2.9
 
10
2.75
3.0
 
V
V
V
V
HYSSTBY
 
Undervoltage Lockout Hysteresis
VSTBY[A/B]
 
 
50
 
mV
V
HYSUV
 
Undervoltage Lockout Hysteresis
12VIN[A/B], 3VIN[A/B]
 
 
180
 
mV
V
UVTH(12V)
 
V
UVTH(3V)
 
 
Power-Good Undervoltage
Thresholds
12VOUT[A/B]
3VOUT[A/B]
12VOUT[A/B] decreasing
3VOUT[A/B] decreasing
 
10.2
2.7
 
10.5
2.8
 
10.8
2.9
 
V
V
V
UVTH(VAUX)
 
Power-Good Undervoltage
Threshold
VAUX[A/B]
VAUX[A/B] decreasing
I
AUX
 = 600mA
2.7
2.8
2.9
V
V
HYSPG
 
Power-Good Detect Hysteresis
 
 
30
 
mV
V
GATE(12V)
 
12VGATE[A/B] Voltage
 
0
 
1.5
V
I
GATE(12VSINK)
 
12VGATE[A/B] Pull-down Current     Start Cycle
15
25
35
I
GATE(12VPULLUP)
     12VGATE[A/B] Pull-up Current
(Fault Off)
Any fault condition
(VDD VGATE) = 2.5V
20
 
 
mA
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