Datasheet

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UQQ Series
Wide Input Range Single Output DC-DC Converters
MDC_UQQ.D05 Page 3 of 18
UQQ-3.3/25-Q12 UQQ-3.3/25-Q48 UQQ-5/17-Q12 UQQ-5/20-Q48 UQQ-12/8-Q12
INPUT
Input Voltage Range See ordering guide
Start-up Threshold 9.0 Volts (18) 17.50 Volts 9.0 Volts (18) 17.5 Volts 9.0 Volts (18)
Undervoltage Shutdown 8.0 Volts 16.75 Volts 8.0 Volts 15.75 Volts (I
OUT = ØA) 8.0 Volts
Overvoltage Shutdown 37.5 Volts None 37.5 Volts None 37.5 Volts
Refl ected (back) ripple current (2) 25mAp-p 15mAp-p 75mAp-p 80mAp-p 75mAp-p
Input Current
Full load conditions See ordering guide
Inrush transient 0.1A
2
sec
Output short circuit 250mA 100mA 100mA 50mA 250mA
No load 150mA 80mA 150mA 65mA 180mA
Low line (V
IN = min.) 10.4 Amps 5.18 Amps 10.44 Amps 6.24 Amps 12.12 Amps
Standby mode
(Off, UV, OT shutdown)
30mA 30mA 8mA 30mA 30mA
Internal Input Filter Type LC Pi-type L-C L-C L-C
Reverse Polarity Protection
External Fusing
Required (15)
External Fusing
Required (15)
External Fusing
Required (15)
External Fusing
Required (15)
External Fusing
Required (15)
Remote On/Off Control (5)
Positive logic (“P” suffi x) OFF = Ground pin to +0.8V max. ON = open or +3.5-15V max.
Negative logic (“N” suffi x)
OFF = open or +5 to +V
IN max. ON = Ground pin to +0.8V max. (16)
On/Off Current 1 mA 1 mA 1 mA 1mA 1 mA
OUTPUT
Voltage Output Range See ordering guide
Voltage Output Accuracy
(50% load)
±1% of V
NOM
Adjustment Range ±10% of VNOM ±10% of VNOM –20 to +10% of VNOM –20 to +10% of VNOM –20 to +10% of VNOM
Temperature Coeffi cient
±0.02% of
V
OUT range/°C
Minimum Loading No minimum load
Remote Sense Compensation +10%
Ripple/noise (20MHz bandwidth)
See ordering guideLine/Load Regulation
Effi ciency
Maximum Capacitive Loading
Low ESR, resistive load
10,000F 4700F 10,000F 10,000F 4700F
Isolation Voltage
Input to Output 2000 VDC min. 2250 VDC min. 2000 VDC min. 2250 VDC min. 2250 VDC min.
Input fo baseplate 1500 VDC min. 1500 VDC min. 1500 VDC min. 1500 VDC min. 1500 VDC min.
Baseplate to output 1500 VDC min. 500 VDC min. 750 VDC min. 1500 VDC min. 750 VDC min.
Isolation resistance 100M 100M 100M 100M 100M
Isolation capacitance 1500 pF 1000 pF 1000 pF 1500pF 1000 pF
Isolation safety rating Basic insulation
Current limit inception
(98% of V
OUT, after warmup)
30 Amps 29 Amps 20.5 Amps 27 Amps 9.5 Amps
Short Circuit Protection Method Current limiting, hiccup autorestart. Remove overload for recovery.
Short Circuit Current 5 Amps 5 Amps 3 Amps 0.5 Amps 0.5 Amps
Short Circuit Duration Continuous, output shorted to ground (no damage)
Overvoltage Protection
via magnetic feedback
4 Volts 3.96 Volts max. 6 Volts 6 Volts 14.4 Volts
FUNCTIONAL SPECIFICATIONS