QPI-21 datasheet(2/15 Pages) VICOR

2 / 15 page

Quiet-Power®

Rev 1.5

vicorpower.com

Page 2 of 15

08/2015

800 927.9474

QPI-21

Order Information

Electrical Characteristics

Parameter limits apply over the operating temp. range, unless otherwise noted.

Absolute Maximum Ratings

Exceeding these parameters may result in permanent damage to the product. CY1 to CY4, referenced in all schematics, are 4.7nF hi-voltage safety capacitors;

Vishay VY1472M63Y5UQ63V0 or equivalent. CIN is the converter manufacturer’s recommended value for input capacitor.

[c] QPI-21LZ is a non-hermetically sealed package. Please read the “Post Solder Cleaning” section on Page 14.

[d] See Figure 14 for the current de-rating curve.

Part Number

QPI-21LZ[c]

QPI-21 LGA Package, RoHS Compliant

QPI-21LZ-01

QPI-21 LGA Package, RoHS Compliant, open frame package

Evaluation Board Also Available

QPI-21-CB1

A QPI-21LZ mounted on a carrier board designed for use with DOSA compliant footprint dc-dc converters. Screw terminal blocks to

allow for easy connection into an existing system.

Name

Rating

Input Voltage, BUS+ to BUS-, continuous

-80 to 80 Vdc

Input Voltage, BUS+ to BUS-, 100 ms transient

-100 to 100 Vdc

BUS+/ BUS- to Shield pads, hi-pot

-1500 to 1500 Vdc

Input to output current, continuous @ 25°C TA

14 Adc

Input to output current, 10 seconds @ 25°C TA

20 Adc

Power dissipation, @ 65°C TA, 14 A[d]

2.9 W

Operating temperature - TA

-40 to 125°C

Thermal resistance[d] - RθJ-A, using PCB layout in Figure 24

20°C/W

Thermal resistance[d] - RθJ-PCB

8°C/W

Storage temperature, JEDEC Standard J-STD-033B

-55 to 125°C

Reflow temperature, 20 s exposure

245°C

ESD, Human body model (HBM)

-2000 to 2000 V

Parameter

Conditions

Min

Typ

Max

Unit

BUS+ to BUS- input range

Measured at 14 A, 65°C ambient temperature[d]

Vdc

BUS+ to QPI+ voltage drop

Measured at 14 A, 65°C ambient temperature[d]

156

mVdc

BUS- to QPI- voltage drop

Measured at 14 A, 65°C ambient temperature[d]

mVdc

Common mode attenuation

VBUS = 48 V, Frequency = 250 KHz, line impedance = 50 Ω

Differential mode attenuation

VBUS = 48 V, Frequency = 250 KHz, line impedance = 50 Ω

Input bias current at 80 V

Input current from BUS+ to BUS-

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