MIC2085 Datasheet, PDF (6/29 Pages) Micrel Semiconductor – Single Channel Hot Swap Controllers

Micrel, Inc.
MIC2085/2086
Electrical Characteristics (Cont.)
Symbol
V_GS
I_GATE
I_GATEOFF
V_ON
V_ONHYST
I_ON
V_START
V_OL
I_PULLUP
V_REF
∆V_LNR
∆V_LDR
I_RSC
V_COS
V_CHYST
R_DIS
Parameter
External Gate Drive
GATE Pin Pull-up Current
GATE Pin Sink Current
ON Pin Threshold Voltage
ON Pin Hysteresis
ON Pin Input Current
Undervoltage Start-up Timer
Threshold
/FAULT, /POR, PWRGD Output
Voltage
Output Signal Pull-up Current
/FAULT, /POR, PWRGD,
COMPOUT
Reference Output Voltage
Reference Line Regulation
Reference Load Regulation
Reference Short-Circuit Current
Comparator Offset Voltage
Comparator Hysteresis
Discharge Pin Resistance
Condition
V_GATE – V_CC
V_CC < 3V
5V < V_CC < 9V
9V < V_CC <15.0V
Start cycle, V_GATE > 0V
V_CC = 16.5V
V_CC = 2.3V
/FAULT = 0, V_GATE > 1V
V_CC = 16.5V
V_CC = 2.3V
ON rising
ON falling
V_ON = V_CC
V_CPOR rising
I_OUT = 1.6mA
(PWRGD for MIC2086 only)
/FAULT, /POR, PWRGD = GND
(PWRGD FOR MIC2086 only)
I_LOAD = 0mA; C_REF = 0.1 µF
2.3V < V_CC < 16.5V
I_OUT = 1mA
V_REF = 0V
V_CM = V_REF
V_CM = V_REF
ON pin toggles from HI to LOW
Min
Typ
4
8
11
12
4.5 21-V_CC
–22
–16
–20
–14
25
50
12
20
1.19 1.24
1.09 1.14
100
1.19 1.24
–20
1.21 1.24
5
2.5
3.5
–5
3
100
550
Max
9
13
13
–8
–8
1.29
1.19
0.5
1.29
0.4
1.27
10
7.5
5
1000
Units
V
V
V
µA
µA
mA
mA
V
V
mV
µA
V
V
µA
V
mV
mV
mA
mV
mV
Ω
AC Electrical Characteristics⁽³⁾
Symbol
t_OCFAST
Parameter
Fast Overcurrent Sense to
GATE Low Trip Time
t_OCSLOW
Slow Overcurrent Sense to
GATE Low Trip Time
t_ONDLY
t_FBDLY
ON Delay Filter
FB Delay Filter
Condition
V_CC = 5V
V_CC – V_SENSE = 100mV
C_GATE = 10nF, See Figure 1
V_CC = 5V
V_CC – V_SENSE = 50mV
C_FILTER = 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.
Min
Typ
Max Units
1
µs
5
µs
20
µs
20
µs
May 2006
6
M9999-050406
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