SC4150 データシートの表示（PDF） - Semtech Corporation

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SC4150

Negative Voltage Hot Swap Controller

Semtech Corporation 

SC4150

POWER MANAGEMENT

Electrical Characteristics (Cont.)

Unless specified: TA = 25°C, VCC = 48V, VEE = 0V.

Values in bold apply over full operating temperature range.

Parameter

Symbol

Test Conditions

Min Typ Max Units

Power Good Threshold

VPG

VDRAIN - VEE, High to Low transition

1.5 1.75 2.0 V

Power Good Threshold Hysteresis VPGHY

0.4

V

Drain Input Bias Current

IDRAIN

VDRAIN = 48V

15 50 µA

Output Low Voltage

VOL

SC4@150VHD,RAVINO=L =5VP,WIOR=GD1m-AVDRAIN

1

V

SC4@15V0DLR,AINV=OL1=V,PWIO R=G1DmA- VEE

1

V

Output Leakage

IOH

SC4150H, VDRAIN -VEE = 1V, VPWRGD = 80V

1.0 10 µA

SC4150L, VDRAIN -VEE = 5V

1.0 10 µA

AC Characteristics

OV High to Gate Low

UV Low to Gate Low

OV Low to Gate High

UV Low to Gate High

SENSE High to Gate Low

DRAIN Low to PWRGD Low

DRAIN Low to (PWRGD - DRAIN)

High

tPHLOV

tPHLUV

tPLHOV

tPLHUV

tPHLSENSE

tPHLPG

1.7

µs

1.5

µs

5.5

µs

6.5

µs

3

µs

µs

0.5

DRAIN High to PWRGD High

DRAIN High to (PWRGD - DRAIN)

Low

tPLHPG

0.5

µs

Gate ON Time - Time Delay

Gate ON Time - Time Delay

Gate OFF Time

tON_1

VDRAIN > 8V, after short circuit

tON_2

VDRAIN < 7V, after short circuit

tOFF

SC4150, After short, prior to retry

SC4150-4, After short, prior to retry

Note:

(1) This device is ESD sensitive. Use of standard ESD handling precaution is required.

5

µs

250

µs

100

ms

400

 2004 Semtech Corp.

3

www.semtech.com

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