MIC2085 Datasheet, PDF (5/29 Pages) Micrel Semiconductor – Single Channel Hot Swap Controllers

Micrel, Inc.
MIC2085/2086
Absolute Maximum Ratings⁽¹⁾
(All voltages are referred to GND)
Supply Voltage (V_CC)....................................... –0.3V to 33V
SENSE Pin ........................................... –0.3V to V_CC + 0.3V
GATE Pin ........................................................ –0.3V to 22V
ON, DIS, /POR, PWRGD, /FAULT,
COMP+, COMP-, COMPOUT......................... –0.3V to 20V
CRWBR, FB, OV, REF...................................... –0.3V to 6V
Maximum Currents
Digital Output Pins ......................................................10mA
(/POR, /FAUTL, PWRGD, COMPOUT)
DIS Pin ........................................................................30mA
EDS Rating
Human Body Model ................................................. 2kV
Machine Model ......................................................200V
Operating Ratings⁽²⁾
Supply voltage (V_CC) .................................... 2.3V to +16.5V
Operating Temperature Range ................... –40°C to +85°C
Junction Temperature (T_J) ......................................... 125°C
Package Thermal Resistance R_θ(JA)
16-pin QSOP ...................................................112°C/W
20-pin QSOP .....................................................91°C/W
Electrical Characteristics⁽³⁾
V_CC = 5.0V; T_A = 25°C, unless otherwise noted. Bold indicates specifications over the full operating temperature range of
–40°C to +85°C.
Symbol
V_CC
I_CC
V_UV
V_UVHYST
V_FB
V_FBHYST
V_OV
∆V_OV
V_OVHYST
I_OV
V_TH
I_CPOR
I_TIMER
V_CR
∆V_CR
I_CR
V_TRIP
Parameter
Supply Voltage
Supply Current
Undervoltage Lockout
Threshold
UV Lockout Hysteresis
FB (Power-Good) Threshold
Voltage
FB Hysteresis
OV Pin Threshold Voltage
OV Pin Threshold Voltage Line
Regulation
OV Pin Hysteresis
OV Pin Current
POR Delay and Overcurrent
(CFILTER) Timer Threshold
Power-On Reset Timer Current
Current Limit /Overcurrent
Timer Current (CFILTER)
CRWBR Pin Threshold Voltage
CRWBR Pin Threshold Voltage
Line Regulation
CRWBR Pin Current
Circuit Breaker Trip Voltage
(Current Limit Threshold)
Condition
V_CC rising
V_CC falling
FB rising
OV pin rising
2.3V < V_CC < 16.5V
V_CPOR, V_CFILTER rising
Timer on
Timer off
Timer on
Timer off
2.3V < V_CC < 16.5V
2.3V < V_CC < 16.5V
CRWBR On, V_CRWBR = 0V
CRWBR On, V_CRWBR = 2.1V
CRWBR Off, V_CRWBR = 1.5V
V_TRIP = V_CC = V_SENSE
V_TRIPSLOW
2.3V ≤ V_CC ≤ 16.5V
V_TRIPFAST
x=J
x=K
x=L
Min Typ Max Units
2.3
16.5
V
1.6
2.5
mA
2.05 2.18 2.28
V
1.85 2.0
2.10
V
180
mV
1.19 1.24 1.29
V
3
mV
1.19 1.24 1.29
mV
5
15
mV
3
mV
0.2
µA
1.19 1.24 1.29
V
–2.5 –2.0 –1.5
µA
5
mA
–30 –20
–15
µA
2.5
mA
445 470
495
mV
4
15
µA
mA
–60 –45
–30
µA
–1.5 –1.0
mA
3.3
mA
40
48
55
mV
80
95
110
mV
150
mV
200
mV
May 2006
5
M9999-050406
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