MIC2582_09 Datasheet, PDF (6/25 Pages) Micrel Semiconductor – Single Channel Hot Swap Controllers

Micrel, Inc.
Symbol Parameter
Condition
ΔV_ON
ON Pin Threshold Line Regulation 2.3V ≤ V_CC ≤ 13.2V
I_ON
ON Pin Input Current
V_ON = V_CC
V_START Start-Up Delay Timer Threshold
V_CPOR rising
V_AUTO
Auto-Restart Threshold Voltage
(MIC2583R only)
Upper threshold
Lower threshold
I_AUTO
Auto-Restart Current
(MIC2583R only)
Charge current
Discharge current
V_FB
Power-Good Threshold Voltage 2.3V = V_CC = 13.2V FB rising
FB falling
V_FBHYS FB Hysteresis
I_FBLKG
FB Pin Leakage Current
2.3V = V_CC = 13.2V, V_FB = 1.3V
V_OL
/POR, /FAULT, PWRGD
Output Voltage
I_OUT = 1mA
(/FAULT, PWRGD MIC2583/83R only)
R_DIS
Output Discharge Resistance
(MIC2583/83R only)
AC Parameters⁽⁴⁾
t_OCFAST
Fast Overcurrent SENSE to GATE V_CC = 5V, V_CC − V_SENSE = 100mV
Low Trip Time
C_GATE = 10nF, Figure 2
t_OCSLOW
Slow Overcurrent SENSE to GATE V_CC = 5V, V_CC − V_SENSE = 50mV
Low Trip Time
C_FILTER = 0, Figure 2
t_ONDLY
ON Delay Filter
t_FBDLY
FB Delay Filter
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. Not a tested parameter, guaranteed by design.
Timing Diagrams
MIC2582/MIC2583
Min Typ Max Units
2
mV
−0.5 µA
0.26 0.31 0.36 V
0.19 1.24 1.30 V
0.26 0.31 0.36 V
10
13
16
µA
1.4
2
µA
1.19 1.24 1.29 V
1.15 1.20 1.25 V
40
mV
1.5 µA
0.4
V
500 1000 Ω
1
µs
5
µs
20
µs
20
µs
Figure 2. Current-Limit Response
Figure 3. Power-On Reset Response
April 2009
Figure 4. Power-On Start-Up Delay Timing
6
M9999-043009-C