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Q2S SERIES
The Q2S DC/DC converters offer unprecedented performance in the
industry-standard Quarter Brick format. This is accomplished through
the use of patent pending circuit and packaging techniques to achieve
ultra-high efficiency, excellent thermal performance and a very low
profile. The Q2S 30 A modules provide exceptional thermal
performance. The low profile (<0.30") of the modules and no need for
a heatsink minimize airflow shadowing, which enhances cooling for
downstream devices.
The use of 100% surface-mount technologies for Q2S assembly,
coupled with advanced electronic circuitry and thermal packaging,
result in products with extremely high quality and reliability. Q2S
converters are available as surface-mountable and through-hole
modules, in five standard output voltages ranging from 3.3 V to 1.5 V.
FEATURES
Delivers up to 30 A
Over 20 A at 200 LFM @ 70C
No Heatsink Required
Low Profile < 8 mm (0.30")
Light Weight: 27 g (0.95 oz)
No Minimum Load Required
Load Capacitance: up to 30,000 F
Start-up into Pre-biased Output
Fixed-frequency Operation
Negative and Positive Logic ON/OFF
Remote Sense
Wide-output Voltage Adjustment
Fully Protected
High Reliability
2000 VDC Insulation Voltage Certified
UL 1950 Recognized, CSA C22.2 No. 950-95
Q2S Series - 30A Quarter Brick DC/DC Converter
48V Input
1.5V to 3.3V Output
DESCRIPTION
APPLICATIONS
Distributed Power Architectures
Telecommunications Equipment
LAN/WAN Applications
Data Processing Applications
SELECTION CHART
MODEL
INPUT
INPUT CURRENT
OUTPUT
OUTPUT RATED
RIPPLE & NOISE
EFFICIENCY
COMMENTS
VOLTAGE (VDC)
MAX, ADC
VOLTAGE (VDC)
CURRENT, ADC
TYP, mV p-p
%
Q2S30ZA-M6
36-75
1.5
1.5
30
30
83
Surface-Mount
Q2S30ZB-M6
36-75
1.7
1.8
30
30
85
Surface-Mount
Q2S30ZC-M6
36-75
1.9
2.0
30
30
85
Surface-Mount
Q2S30ZD-M6
36-75
2.3
2.5
30
30
87
Surface-Mount
Q2S30ZE-M6
36-75
3.1
3.3
30
30
88
Surface-Mount
Q2S30ZA
36-75
1.5
1.5
30
30
83
Through-Hole
Q2S30ZB
36-75
1.7
1.8
30
30
85
Through-Hole
Q2S30ZC
36-75
1.9
2.0
30
30
85
Through-Hole
Q2S30ZD
36-75
2.3
2.5
30
30
87
Through-Hole
Q2S30ZE
36-75
3.1
3.3
30
30
88
Through-Hole
REV. 09/01
2
Q2S SERIES
BOTTOM VIEW
2
6
3
1
7
8
5
4
2.300 0.010
(58.42 0.25)
1.450 0.010
(36.83 0.25)
0.188 0.005
(4.78 0.1)
2.000
(50.80)
0.145
(3.68)
0.300
(7.62)
0.430
(10.92)
0.150
(3.81)
0.300
(7.62)
0.450
(11.43)
0.600
(15.24)
0.600
(15.24)
SIDE VIEW
CUSTOMER BOARD
CL
HT
LOWEST COMPONENT
MECHANICAL DRAWING (SURFACE-MOUNT)
BOTTOM VIEW
2
6
3
1
7
8
5
4
SIDE VIEW
2.300 0.010
(58.42 0.25)
1.450 0.010
(36.83 0.25)
0.258 0.015
(6.55 0.38)
2.186
(55.52)
0.057
(1.45)
0.300
(7.62)
0.430
(10.92)
0.150
(3.81)
0.300
(7.62)
0.450
(11.43)
0.600
(15.24)
CUSTOMER BOARD
0.600
(15.24)
PIN CONNECTIONS
PIN
FUNCTION
1
Vin (+)
2
Remote ON/OFF
3
Vin (-)
4
Vout (-)
5
Sense (-)
6
Trim
7
Sense (+)
8
Vout (+)
All dimensions are in inches (mm)
Pins 1-3 and 5-7 are
0.040" (1.02)
with
0.078" (1.98) shoulder
Pins 4 and 8 are
0.062" (1.57)
without shoulder
Pin material: Brass
Pin Finish: Tin/Lead over Nickel
Module Weight: 0.95 oz (27 g)
HT (Max Height)
+0.000 (+0.00)
-0.038 (-0.97)
0.336 (8.53)
0.063 (1.60)
CL (Min Clearance)
+0.030 (+0.77)
-0.000 (-0.00)
ORDERING INFORMATION (Consult factory for the complete list of available options.)
OPTIONS
SUFFIXES TO ADD TO PART NUMBER WHEN ORDERING OPTIONS (ADD SEQUENTIALLY TO PART NUMBER...TOP OF LIST TO BOTTOM)
Remote ON/OFF
No Suffix
Positive Enable Logic
N
Negative Logic
7
0.145 Pin Length (0.336" Total Height)
8
0.11 Pin Length (0.336" Total Height)
Through-Hole
No Suffix
Surface-Mount
M6
0.336" (8.5mm) Max. Height 0.063" Clearance
EXAMPLE: Q2S30ZA-NM6
MECHANICAL DRAWING (THROUGH-HOLE)
NUCLEAR AND MEDICAL APPLICATIONS Power-One products are not authorized for use as critical components in life support systems,
equipment used in hazardous environments, or nuclear control systems without the express written consent of the President of Power-One, Inc.
TECHNICAL REVISIONS The appearance of products, including safety agency certifications pictured on labels, may change depending on the
date manufactured. Specifications are subject to change without notice.