MIC2085-JBQS(2004) Ver la hoja de datos (PDF) - Micrel
Número de pieza
componentes Descripción
Fabricante
MIC2085-JBQS Datasheet PDF : 28 Pages
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MIC2085/2086
Electrical Characteristics (Cont.)
Symbol
IGATE
IGATEOFF
VON
VONHYST
ION
VSTART
VOL
IPULLUP
VREF
∆VLNR
∆VLDR
IRSC
VCOS
VCHYST
RDIS
Parameter
Condition
GATE Pin Pull-up Current
GATE Pin Sink Current
ON Pin Threshold Voltage
Start cycle, VGATE = 0V
VCC =16.5V
VCC = 2.3V
/FAULT = 0, VGATE>1V
VCC = 16.5V
VCC = 2.3V
ON rising
ON falling
ON Pin Hysteresis
ON Pin Input Current
Undervoltage Start-up
Timer Threshold
VON = VCC
VCPOR rising
/FAULT, /POR, PWRGD Output
Voltage
IOUT = 1.6mA
(PWRGD for MIC2086 only)
Output Signal Pull-up Current
/FAULT, /POR, PWRGD = GND
/FAULT, /POR, PWRGD, COMPOUT (PWRGD for MIC2086 only)
Reference Output Voltage
Reference Line Regulation
Reference Load Regulation
Reference Short-Circuit Current
Comparator Offset Voltage
Comparator Hysteresis
Discharge Pin Resistance
ILOAD = 0mA; CREF = 0.1µF
2.3V < VCC < 16.5V
IOUT = 1mA
VREF= 0V
VCM = VREF
VCM = VREF
ON pin toggles from HI to LOW
AC Electrical Characteristics(4)
Symbol
Parameter
Condition
tOCFAST
tOCSLOW
tONDLY
tFBDLY
Fast Overcurrent Sense to GATE
Low Trip Time
Slow Overcurrent Sense to Gate
Low Trip Time
ON Delay Filter
FB Delay Filter
VCC = 5V
VCC –VSENSE = 100mV
CGATE = 10nF, See Figure 1
VCC = 5V
VCC –VSENSE = 50mV
CFILTER = 0, See Figure 1
Notes:
1. Exceeding the absolute maximum rating may damage the device.
2. The device is not guaranteed to function outside its operating rating.
3. Specification for packaged product only.
4. Specification for packaged product only.
Micrel
Min Typ Max Units
–22 –16
–8
µA
–20 –14
–8
µA
25
50
mA
12
20
mA
1.19 1.24 1.29
V
1.09 1.14 1.19
V
100
mV
0.5
µA
1.19 1.24 1.29
V
0.4
V
–20
µA
1.21 1.24 1.27
V
5
10
mV
2.5
7.5
mV
3.5
mA
–5
5
mV
3
mV
100 550 1000 Ω
Min Typ Max Units
1
µs
5
µs
20
µs
20
µs
M0235-121903
6
January 2004
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