Vishay 2310 User Manual download pdf (Page 3)

Micrel, Inc. MIC2310 Evaluation Board

July 2008

M9999-070808-A

condition lasting longer than the programmed t

POC

or immediately for an overcurrent that exceeds the

secondary overcurrent threshold.

3) The HW_FLT signal will assert when a shorted

SENSE

is detected or a damaged power MOSFET

is detected by either a D-S short or D-G short

during startup.

Jumper Options

Jumper Label Position Function Factory Setting

JP1 VISS Shorted

Open

Provides an analog output level that is proportional to the

steady-state load current. This output is often fed through an

ADC for data conversion back to the system controller to

manage the power allocated for the downstream modules.

Shorted

JP2 ENABLE Shorted

Open

ON/OFF control pin used to turn on the GATE output. Shorted

(Ground)

JP3 S0_SEL Shorted

Open

Secondary Overcurrent Threshold Set (Input) Shorted

(High)

JP4 S1_SEL Shorted

Open

Secondary Overcurrent Threshold Set (Input) Open

(Pull-Down to

Ground)

JP5 SCR_SEL

(DISCH)

Enabled

Ground

Control for enabling a fast-responding (crowbar) circuit for the

output bulk capacitance to quickly discharge to ground.

Enabled

JP6 RETRY_SH

(CRETRY)

Shorted

Open

Output auto-retry or latch-off configuration upon an overcurrent

fault occurrence.

Shorted

(Latch-off)

JP7 LDO_SEL Shorted

Open

Power supply input to an LDO that powers the logic output

signal circuitry.

Shorted

JP8 SLEW

(CSLEW)

Shorted

Open

Output slew control that is used to adjust the inrush current

profile via dI

DRAIN

/dt if enabled (shorted) or via dV

GATE

/dt

Shorted

(dV

GATE

/dt)

JP9 HWF_DRV Shorted

Open

Drive circuit to an LED for HW_FLT indication Shorted

JP10 PG_DRV Shorted

Open

Drive circuit to an LED for “Power-is Good” indication Shorted

JP11 IFLT_DRV Shorted

Open

Drive circuit to an LED for an overcurrent fault indication Shorted

1 2 3 4 5 6 7 8

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Vishay 2310 User Manual Page 3

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