Technical Specification
Quarter
48V 3.3/1.8V
77W
out
in
Brick Dual
ELECTRICAL CHARACTERISTICS (Continued)
Parameter
P
Min.
Typ.
Max.
Units Notes & Conditions
ISOLATION CHARACTERISTICS
Isolation Voltage
2000
30
V
Isolation Resistance
M
Ω
Isolation Capacitance
3300
pF
FEATURE CHARACTERISTICS
Switching Frequency
230
260
290
kHz
ON/OFF Control (Option P)
Off-State Voltage
-2
0.8
18
V
V
On-State Voltage
2.4
ON/OFF Control (Option N)
Off-State Voltage
2.4
-2
18
V
V
On-State Voltage
0.8
ON/OFF Control (Either Option)
Pull-Up Voltage
Figures A, B
Vin/6.5
40
9.2
V
Pull-Up Resistance
k
Ω
Output Voltage Trim Range
Output Over-Voltage Protection (1.8V)
Output Over-Voltage Protection (3.3V)
Over-Temperature Shutdown
Over-Temperature Shutdown Restart Hysteresis
RELIABILITY CHARACTERISTICS
Calculated MTBF (Telcordia)
Calculated MTBF (MIL-217)
Demonstrated MTBF
-10
111
111
+10
125
125
%
Trim-up pins 6-5, Trim-down pins 6-4; Fig D
Over full temp range
117
117
125
10
%
%
Over full temp range
°C
°C
Average PCB Temperature
106 Hrs. TR-NWT-000332; 80% load,300LFM, 40 C T
o
TBD
TBD
TBD
a
a
106 Hrs. MIL-HDBK-217F; 80% load, 300LFM, 40 C T
o
106 Hrs. Field demonstrated MTBF
STANDARDS COMPLIANCE
Parameter
P
Notes
STANDARDS COMPLIANCE
UL/cUL 60950
File # E194341, Basic insulation & pollution degree 2
Certified by TUV
EN60950
72/23/EEC
93/68/EEC
Needle Flame Test (IEC 695-2-2)
IEC 61000-4-2
test on entire assembly; board & plastic components UL94V-0 compliant
ESD test, 8kV - NP, 15kV air - NP
GR-1089-CORE
Section 7 - electrical safety, Section 9 - bonding/grounding
Telcordia (Bellcore) GR-513
•
An external input fuse must always be used to meet these safety requirements
QUALIFICATION TESTING
Parameter
P
# Units Test Conditions
QUALIFICATION TESTING
Life Test
32
95% rated Vin and load, units at derating point, 1000 hours
10-55Hz sweep, 0.060” total excursion,1 min./sweep, 120 sweeps for 3 axis
100g minimum, 2 drops in x and y axis, 1 drop in z axis
-40°C to 100°C, unit temp. ramp 15°C/min., 500 cycles
Toperating = min to max, Vin = min to max, full load, 100 cycles
Tmin-10°C to Tmax+10°C, 5°C steps, Vin = min to max, 0-105% load
85°C, 85% RH, 1000 hours, 2 minutes on and 6 hours off
MIL-STD-883, method 2003
Vibration
5
Mechanical Shock
Temperature Cycling
Power/Thermal Cycling
Design Marginality
Humidity
5
10
5
5
5
Solderability
15 pins
•
Extensive characterization testing of all SynQor products and manufacturing processes is performed to ensure that we supply
robust, reliable product. Contact factory for more information about Proof of Design and Proof of Manufacturing processes.
OPTIONS
PATENTS
SynQor provides various options for Logic Sense, Pin Length and SynQor is protected under various patents, including but not lim-
Feature Set for this family of DC/DC converters. Please consult the ited to U.S. Patent # 5,999,417.
last page of this specification sheet for information on available
options.
Product # DQ63318QGL08
Phone 1-888-567-9596
Doc.# 005-2DQ638D Rev. B
10/7/03
Page 4
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