參數(shù)資料
型號(hào): MIC2341-5YTQ
廠商: MICREL INC
元件分類: 電源管理
英文描述: 2-CHANNEL POWER SUPPLY SUPPORT CKT, PQFP48
封裝: LEAD FREE, TQFP-48
文件頁數(shù): 3/32頁
文件大小: 1277K
代理商: MIC2341-5YTQ
Micrel, Inc.
MIC2341/2341R
October 2007
11
M9999-102507-A
(408) 944-0800
Symbol
Parameter
Condition
Min
Typ
Max
Units
ILKG(OFF)
Digital Output Off-State Leakage
Current
/FAULT_AUX[A/B], /INT,
/FAULT_MAIN[A/B],
/PWRGD[A/B], SYSPWRGD
/DLY_PWRGD[A/B]
5
A
RPULLUP
Internal Pull-up Resistors to
VSTBY[A]
[/CRSW[A/B],ON[A/B],
AUXEN[A/B]]
VSTBY[A/B] = +3.3V
45
k
IPULLUP
Internal Pull-up Current to
VSTBY[A]
[/FORCE_ON[A/B]]
VSTBY[A/B] = +3.3V
60
A
RDS(AUX)
Internal VAUX[A/B] Power
MOSFET Channel Resistance
IDS = 375 mA; TJ = 100
°C
0.4
VOFF(12VOUT[A/B]
12VOUT[A/B] Off-state Output
Offset Voltage
ON[A/B] = LOW,
12VOUT[A/B] = OFF, TJ = 100
°C
50
mV
VOFF(3VOUT[A/B]
3VOUT[A/B] Off-state Output
Offset Voltage
ON[A/B] = LOW,
3VOUT[A/B] = OFF, TJ = 100
°C
50
mV
VOFF(VAUX[A/B]
VAUX[A/B] Off-state Output
Offset Voltage
AUXEN[A/B] = LOW,
VAUX[A/B] = OFF, TJ = 100
°C
50
mV
Overtemperature Shutdown and
Reset Thresholds with
Overcurrent on Slot
(5)
TJ increasing, each slot
TJ decreasing, each slot
140
130
°C
TOV
Overtemperature Shutdown and
Reset Thresholds, All Other
Conditions (All Outputs will Latch
OFF)
(5)
TJ increasing, both slots
TJ decreasing, both slots
160
150
°C
IAUX(THRESH)
Auxiliary Output Current Limit
Threshold (Figure 4)
Current which must be drawn from VAUX
to register as a fault
0.84
A
ISC(TRAN)
Maximum Transient Short Circuit
Current
VAUX[A/B] Enabled, then Grounded
A
ILIM(AUX)
Regulated Current after Transient
From end of ISC(TRAN) to CFILTER time-out
0.375
0.7
0.975
A
RDIS(12V)
RDIS(3V)
RDIS(VAUX)
Output Discharge Resistance
12VOUT[A/B]
3VOUT[A/B]
3VAUX[A/B]
12VOUT[A/B] = 6.0V
3VOUT[A/B] = 1.65V
3VAUX[A/B] = 1.65V
160
0
150
430
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