?/DIV>
Absolute Maximum Ratings Exceeding these parameters may result in permanent damage to the product.
In ut Volta e BUS+ to BUS- continuous
-80 to 80 Vdc
In ut Volta e BUS+ to BUS- 100ms transient
-100 to 100 Vdc
B   +  B   -
-
-1
1
In ut to out ut current continuous    70癈 T
5.5 Adc
In ut to out ut current Pulsed    25癈 T
12 Adc
Power dissi ation    70癈 T   5.5 A
(2)
1.6 W
O eratin tem erature - T
-40 to 125 癈
Thermal resistance
(2)
- R
-
usin PCB la out in Fi ure 31
20 癈 W
(2)
-
-
8 癈 W
Stora e tem erature JEDEC Standard J-STD-033B
-55 to 125 癈
Re low tem erature 20 s ex osure
245 癈
E D
B
-2
2
Electrical Characteristics Parameter limits apply over the operating temp. range, unless otherwise noted.
BUS+ to BUS- in ut ran e
Measured at 5.5 A 70癈 ambient tem erature
(2)
UV
80
Vdc
BUS+ to QPI+ volta e dro
Measured at 5.5 A 70癈 ambient tem erature
(2)
100
mVdc
B   -
-
?/DIV>
(2)
1
Common mode attenuation
VBUS = 48 V Fre uenc = 250 KHz line im edance = 50?
40
dB
Di erential mode attenuation    VBUS = 48 V Fre uenc = 250 KHz line im edance = 50?
70
dB
In ut bias current at 80 V
In ut current rom BUS+ to BUS-
15
mA
L
D
-
-
2
Under-volta e Threshold UV    Controller Disabled to Enabled no external trim-u .
34
V
Under-volta e H steresis
Controller Enabled to Disabled no external trim-u .
UV - 2
V
-
E
D
-
Over-volta e H steresis
Controller Disabled to Enabled no external trim-u .
OV - 4
V
Power Good Low Volta e
I
= 1mA
0.2
0.6
V
Power Good Leaka e Current     V
D
= 90V
1
A
Note 2: See Figure 19 for the current de-rating curve.
Pad Descriptions
D
L
12, 13
BUS+
Positive bus potential
1, 16
BUS-
Negative bus potential
7, 8
QPI+
Positive input to the converter
5, 6
QPI-
Negative input to the converter
4
Shield
Shield connects to the system chassis or to a safety ground.
10
PWRGD
Open drain output that asserts low when power in not good.
11
OV
High-side of Over-voltage resistor divider.
14
UVEN
Hi h-side o Under-volta e resistor divider.
2, 3, 15
SW
Hot-Swap controlled negative rail of EMI filter.
9
NC
No internal connection, not used.
Ordering Information
D
QPI-8LZ
(3)
    QPI-8 LGA Package, RoHS Compliant
QPI-8LZ-01
QPI-8 LGA Package, RoHS Compliant, Open Frame Package
Note 3: QPI-8LZ is a non-hermetically sealed package. Please read the Post Solder Cleaning section on page 16.