MIC2587(2013) Ver la hoja de datos (PDF) - Micrel

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componentes Descripción

Fabricante

MIC2587
(Rev.:2013)

Single-Channel, Positive High-Voltage Hot Swap Controller

Micrel 

Micrel, Inc.

MIC2587/MIC2587R

DC Electrical Characteristics(4) (Continued)

VCC = +24V and +48V, TA = +25°C, unless otherwise noted. Bold indicates specifications apply over the full operating temperature

range of TA = −40°C to +85°C.

Symbol Parameter

Condition

Min. Typ. Max. Units

IGATEOFF GATE Pin Turn-off Current

Normal turn-off, or from VGATE[TH]

(MOSFET) to 0V after a fault condition

1.8

mA

ITIMERUP Timer Pin Charging Current

ITIMERDN

VTIMERH

VTIMERL

VONH

VONL

VHYSON

ION

Timer Pin Pull-Down Current

TIMER Pin High Threshold Voltage

TIMER Pin Low Threshold Voltage

ON Pin High Threshold Voltage

ON Pin Low Threshold Voltage

ON Pin Hysteresis

ON Pin Input Current

VOL

Power-Good Output Voltage

IOFF

Power-Good Leakage Current

(VCC – VSENSE) > VTRIP

VTIMER = 0V

(VCC – VSENSE) < VTRIP

VTIMER = 0.6V

ON Low-to-High transition

ON High-to-Low transition

0V ≤ VON ≤ 80V

PWRGD or /PWRGD = LOW

IOL = 1.6mA

IOL = 4mA

PWRGD or /PWRGD = Open-Drain

VPG = VCC, VON = 1.5V

−24

-65 −120 µA

1.5

3.5

5

µA

1.280 1.313 1.345 V

0.4 0.49 0.6

V

1.280 1.313 1.355 V

1.208 1.233 1.258 V

80

mV

2

µA

0.4

V

0.8

10

µA

AC Electrical Characteristics

VCC = +24V and +48V, TA = 25°C, unless otherwise noted. Bold indicates specifications apply over the full operating temperature range

of TA = −40°C to +85°C.

Symbol Parameter

Condition

Min. Typ. Max. Units

tPONLH

tPONHL

tPFBLH

tPFBHL

tPFBHL

tPFBLH

tOCSENSE

ON High to GATE High

ON Low to GATE Low

FB Valid to PWRGD High

(MIC2587/MIC2587R-1)

FB Invalid to PWRGD Low

(MIC2587/MIC2587R-1)

FB Valid to /PWRGD Low

(MIC2587/MIC2587R-2)

FB Invalid to /PWRGD High

(MIC2587/MIC2587R-2)

Overcurrent Sense to GATE Low

Trip Time

CGATE = 10nF

VIN = 48V, CGATE = 10nF

RPG = 50kΩ pull-up to 48V

CL=100pF

RPG = 50kΩ pull-up to 48V

CL=100pF

RPG = 50kΩ pull-up to 48V

CL=100pF

RPG = 50kΩ pull-up to 48V

CL=100pF

(VCC - VSENSE) = (VTRIP + 10mV)

Figure 7

3

ms

1

ms

2

µs

4

µs

4

µs

2

µs

1

2

µs

January 24, 2013

7

Revision 2.0

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