MIC2589(2004) データシートの表示（PDF） - Micrel

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MIC2589
(Rev.:2004)

Single-Channel, Negative High-Voltage Hot Swap Power Controllers/Sequencers

Micrel 

MIC2589/2595

Timing Diagrams

ILIMIT

ILOAD

INLDTH

0A

t < tFLT

OVERCURRENT

EVENT

t ≥ tFLT

Load current is regulated

at ILIMIT = 50mV/RSENSE

tNLD

Output OFF

(at VDD)

VDRAIN

VUV or VOFF

(at VEE)

(at VEE)

Reduction in VDRAIN to support

ILIMIT = 50mV/RSENSE

(at VEE)

VUVL

(VUV — VEE)

(at VEE)

VUVH

(VUV — VEE)

Figure 1. Overcurrent and Undercurrent (No Load) Response

VSENSE - VEE

VGATE

100mV

tOCSENSE

1V

Figure 2. SENSE to GATE LOW Timing Response

VOV

VGATE

1.223V

1.203V

tOVPHL

tOVPLH

1V

1V

Figure 3. MIC2589/89R Overvoltage Response

Micrel

M9999-031504

8

March 2004

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