MCZ34652EF 데이터 시트보기 (PDF) - Freescale Semiconductor

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MCZ34652EF

2.0 A Negative Voltage Hot Swap Controller with Enhanced Programmability

Freescale Semiconductor 

ELECTRICAL CHARACTERISTICS

DYNAMIC ELECTRICAL CHARACTERISTICS

DYNAMIC ELECTRICAL CHARACTERISTICS

Table 4. Dynamic Electrical Characteristics

Characteristics noted under conditions 15 V ≤ VPWR ≤ 80 V and -40°C ≤ TA ≤ 85°C. All voltages are referenced to VIN unless

otherwise noted.

Characteristic

UNDERVOLTAGE CONTROL

Symbol

Min

Typ

Max

Unit

UV Active to Gate Low Filter Time

OVERVOLTAGE CONTROL

t UVAL

—

1.0

—

ms

OV Active to Gate Low Filter Time

DISABLE INPUT CONTROL PIN (DISABLE) (14)

t OVAL

—

1.0

—

ms

DISABLE Active to Gate Low Filter Time

CURRENT LIMIT CONTROL PINS (ILIM, ICHG)

t DISAL

—

1.0

—

ms

Short Circuit Protection Delay

Overcurrent Limit Filter Time

Overcurrent Limit Regulation Time

ICHG Rise Time

Default

Adjustable with an External Capacitor

POWER GOOD OUTPUT PINS (PG, PG) (15)

t SCPD

—

—

10

µs

t OCFT

—

100

—

µs

t OC

—

3.0

—

ms

t ICHGR

ms

—

1.0

—

1.0

—

—

Power Good Output Delay Time, from Power MOSFET Enhancement to PG

t PG

ms

and PG Asserted

10

28

46

START-UP AND RETRY DELAY TIMER (TIMER)

Start-Up and Retry Delay Timer

Default

Maximum with External Resistor

Minimum with External Resistor

t TIMER

ms

130

200

270

—

1000

—

—

100

—

Notes

14. Referenced to VPWR.

15. Referenced to VIN.

Analog Integrated Circuit Device Data

Freescale Semiconductor

34652

9

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