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QUIETPOWER 데이터시트 PDF




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부품번호 QUIETPOWER 기능
기능 Output Ripple Attenuation SiP
제조업체 Vicor Corporation
로고 Vicor Corporation 로고


QUIETPOWER 데이터시트 를 다운로드하여 반도체의 전기적 특성과 매개변수에 대해 알아보세요.




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QUIETPOWER 데이터시트, 핀배열, 회로
Features
• >20dB PARD attenuation from
50Hz to 500kHz
• Supports point of load regulation
• Peak ripple detector optimizes
performance automatically
• Significantly improves load
transient response
• Efficiency up to 98%
• User selectable performance
optimization
• 3-30Vdc operating range
• 10A rating
PRELIMINARY
Data Sheet
QuietPowerTM
Output Ripple Attenuation SiP
Patents Pending
Shown actual size:
1.0 x 1.0 x 0.2 in
25 x 25 x 5 mm
Product Highlights
Absolute Maximum Ratings
Exceeding these parameters may result in permanent damage to the product
Picor’s QPO-1 output ripple attenuator
System-in-a-Package (SiP) provides active
filtering to achieve greater than 20 dB
attenuation of periodic and random deviation
(PARD) over the frequency range of
50Hz to 500kHz.
The QPO-1 operates over a voltage range
of 3 to 30Vdc and is compatible with most
switching power supplies and converters.
The load is regulated by using remote
sensing or a reference type trim adjustment
feature as is commonly found on most
power supplies.
Parameter
+In to –In
+In to –In
Load current
Maximum power dissipation
Operating temperature
Package thermal resistance
Package thermal resistance
Storage temperature
Part Numbering
The QPO-1’s closed loop architecture
greatly improves load transient response
while ensuring steady-state precise point of
load voltage regulation. The QPO-1 is
available in surface mountable Land Grid
and Ball Grid Array terminations.
QPO
Rating
33
40
15
4
-20 to +85
50
TBD
-40 to +125
Unit
Vdc
Vdc
A
W
°C
°C/W
°C/W
°C
-1L
L = Land Grid Array
B = Ball Grid Array
Notes
Continuous
100ms
Continuous
Ambient
Free Air
Optimum heat sinking
Vicor Corp. Tel: 800-735-6200, 978-470-2900 Fax: 978-475-6715
QPO-1 Data Sheet
Set your site on PICOR at www.picorpower.com
Page 1 of 8




QUIETPOWER pdf, 반도체, 판매, 대치품
PRELIMINARY
Vout = 3.3V, ILOAD = 10A
0
VHR=103mV
dB
VHR=134mV
1.
VHR=167mV
VHR=203mV
-50
VHR=256mV
VHR=300mV
-100
10Hz
100Hz
1 . 0kHz
10kHz
Frequency
100kHz
Figure 5 – Attenuation vs Frequency @ 3.3 volts
1. 0MHz
Vout = 15V, ILOAD = 10A
0
VHR=103mV
VHR=134mV
dB VHR=167mV
VHR=203mV
-50
VHR=256mV
VHR=300mV
-100
10Hz
100Hz
1.0kHz
10kHz
Frequency
100kHz
Figure 6 – Attenuation vs frequency @ 15 volts
1. 0MHz
VOUT = 28V, ILOAD = 10A
0
VHR=103mV
dB VHR=134mV
VHR=167mV
VHR=203mV
-50
VHR=256mV
VHR=300mV
-100
10Hz
100Hz
1.0kHz
10kHz
Frequency
100kHz
Figure 7 – Attenuation vs Frequency @ 28 volts
1. 0MHz
The product can be used with voltage sources from 3 to 30Vdc
by using either the remote sense or the voltage trim feature.
The two different circuit schematics are shown in Figures 1 and
2. For either configuration, the source output will increase to
accommodate the headroom setting of the QPO-1 filter to
maintain the load voltage at the required level.
The user can optimize performance by setting the low current
(100mA) headroom operating point per Table 1 or by using the
formulas in Notes 1 and 2 above the table. The user must be
aware of the sources over-voltage set-point and not create a
headroom voltage that will cause a shutdown condition. For this
reason it is recommended that the QPO-1 be used with power
supplies running at their factory preset voltages or in a trimmed
down configuration.
In low voltage applications (<12V), it may be required to use the
CSC capacitor. This creates a soft starting of the source
preventing the output from tripping the over voltage function
while the QPO-1 output line comes up to the set-point. The CSC
value will be converter dependent but is typically around 5 to
22µF. Remote sensing may also require Qp for start up, use a
logic level low voltage PFET such as IRLML6401 or equivalent.
The spice simulation Figures 5, 6, and 7 demonstrate the effects
of headroom versus attenuation for 3.3, 15, and 28V respectively.
The attenuation and power dissipation will decrease with
headroom setting so a trade-off can be selected for efficiency
versus attenuation. The transient performance is proportional to
the headroom setting, power source response time and the
capacitance present at the input to the QPO-1. The capacitance
may be within the power supply that is used or supplemented by
external capacitance. Consideration of the source’s sensitivity to
additional output capacitance and stability must be understood
before additional capacitance is added for enhancement of
transient performance.
The QPO-1 has two additional features that the user can select to
further optimize performance. The first is a headroom slope
adjustment that reduces the headroom voltage drop with
increasing load current. The second is a peak detector function
that increases the headroom voltage by the peak of the ripple
voltage.
Headroom Slope Adjustment
This can be used to allow for more headroom and improved
transient response at lower loads and also to approximate
constant power dissipation over the load range. The slope of this
curve is set by the slope adjust resistor RSA. See below for setting
the RSA value. The headroom in Figures 5, 6, and 7 are at 10A
and have been reduced by 150mV from the low current
headroom setting with the slope function using an RSA value of
8.2k. This feature is useful to improve efficiency when used
with converters that have decreasing ripple with increasing load
current such as is typical with Vicor products.
Vicor Corp. Tel: 800-735-6200, 978-470-2900 Fax: 978-475-6715
QPO-1 Data Sheet
Set your site on VICOR at www.vicorpower.com
Page 4 of 8

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QUIETPOWER 전자부품, 판매, 대치품
Mechanical Drawings
PRELIMINARY
SiP Bottom View
Pad Designations
RAMIN 11,12,13,14,18
RAMOUT
GND
SC SET
SC
7,8,9,10,17
1,19,20
6
16
CESR
SLOPE ADJ
VREF
REFGND
5
2
3
4
PEAKIN 15
VOUT 8
7
9 10
17
11 12
13 VIN
18 14
SC SET 6 20
CESR 5
43
19 15 PEAKIN
16 SC
21
SiP Bottom View
Pad Dimensions and Locations
0.046
0.192
0.984
0.200
0.046
0.192
0.046
Detail A (4 places)
0.200
0.250
Detail B (15 places)
0.092
0.125
0.200 0.984
0.046
0.177 ±0.006
Detail C (1 place)
0.062
0.062
0.092
0.125
LGA Pattern
0.125
0.050
0.050
0.050
CL
0.050
0.050
0.050
CL
0.075
0.100
0.050
0.150
0.050
0.075
ÿ0.030
(96 places)
0.075
0.100
0.050
0.150
0.050
BGA Pattern
Vicor Corp. Tel: 800-735-6200, 978-470-2900 Fax: 978-475-6715
QPO-1 Data Sheet
Set your site on PICOR at www.picorpower.com
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QUIETPOWER

Output Ripple Attenuation SiP

Vicor Corporation
Vicor Corporation

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