Product # PQ24033QGL25
Phone 1-888-567-9596
www.synqor.com
Doc.# 005-2QL233D Rev. A
06/23/05
Page 4
Input:
Output:
Current:
PPackage:
ackage:
18-36 V
3.3 V
25 A
Quarter-brick
T
Technical S
echnical Specification
pecification
Parameter P
Min.
Typ.
Max.
Units
Notes & Conditions
FEATURE CHARACTERISTICS
Regulation Stage Switching Frequency
180
200
220
kHz
Isolation Stage Switching Frequency
180
200
220
kHz
ON/OFF Control (Option P)
Off-State Voltage
-2
0.8
V
On-State Voltage
2.4
18
V
ON/OFF Control (Option N)
Off-State Voltage
2.4
18
V
On-State Voltage
-2
0.8
V
ON/OFF Control (Either Option)
Figures A, B
Pull-Up Voltage
Vin/3
9.6
V
Pull-Up Resistance
33
k
Output Voltage Trim Range1
-20
+10
%
Measured across Pins 8 & 4; Figure C
Output Voltage Remote Sense Range
+10
%
Measured across Pins 8 & 4
Output Over-Voltage Protection
117
122
127
%
Over full temp range; % of nominal Vout
Over-Temperature Shutdown
125
°C
Average PCB Temperature
Over-Temperature Shutdown Restart Hysteresis
10
°C
Load Current Scale Factor
643
See App Note: Output Load Current Calc.
RELIABILITY CHARACTERISTICS
Calculated MTBF (Telcordia)
2.21
106 Hrs. TR-NWT-000332; 80% load,300LFM, 40oC Ta
Calculated MTBF (MIL-217)
1.43
106 Hrs. MIL-HDBK-217F; 80% load, 300LFM, 40oC Ta
Field Demonstrated MTBF
106 Hrs. see website for latest values
1. Trim-up range may be limited when Vin is below 20V and Iout is simultaneously above 20A.
STANDARDS COMPLIANCE
Parameter P
Notes
STANDARDS COMPLIANCE
UL/cUL 60950
File # E194341, Basic insulation & pollution degree 2
EN60950
Certified by TUV
72/23/EEC
93/68/EEC
Needle Flame Test (IEC 695-2-2)
test on entire assembly; board & plastic components UL94V-0 compliant
IEC 61000-4-2
ESD test, 8kV - NP, 15kV air - NP (Normal Performance)
GR-1089-CORE
Section 7 - electrical safety, Section 9 - bonding/grounding
An external input fuse must always be used to meet these safety requirements. Contact SynQor for official safety
certificates on new releases or download from the SynQor website.
QUALIFICATION TESTING
Parameter P
# Units
Test Conditions
QUALIFICATION TESTING
Life Test
32
95% rated Vin and load, units at derating point, 1000 hours
Vibration
5
10-55Hz sweep, 0.060” total excursion,1 min./sweep, 120 sweeps for 3 axis
Mechanical Shock
5
100g minimum, 2 drops in x and y axis, 1 drop in z axis
Temperature Cycling
10
-40°C to 100°C, unit temp. ramp 15°C/min., 500 cycles
Power/Thermal Cycling
5
Toperating = min to max, Vin = min to max, full load, 100 cycles
Design Marginality
5
Tmin-10°C to Tmax+10°C, 5°C steps, Vin = min to max, 0-105% load
Humidity
5
85°C, 85% RH, 1000 hours, 2 minutes on and 6 hours off
Solderability
15 pins
MIL-STD-883, method 2003
Extensive characterization testing of all SynQor products and manufacturing processes is performed to ensure that we supply
robust, reliable product. Contact factory for official product family qualification document.
ELECTRICAL CHARACTERISTICS (Continued)
OPTIONS
SynQor provides various options for Logic Sense, Pin Length and
Feature Set for this family of DC/DC converters. Please consult the
last page of this specification sheet for information on available
options.
PATENTS
SynQor is protected under various patents, including but not lim-
ited to U.S. Patent #s 5,999,417; 6,222,742 B1; 6,594,159
B2; 6,545,890 B2.