Datasheet

UCH-5/10-D48 UCH-5/20-D24 UCH-5/30-D48 UCH-12/4.2-D48 UCH-12/12.5-D48 UCH-15/6.7-D48
Input
Input voltage range See ordering guide.
Start-up threshold, Volts 34 16 35 35 35 35
Undervoltage
shutdown, V
33 15 34 33.5 33.5 33
Overvoltage shutdown none
Refl ected (back) ripple cur-
rent, mA pk-pk
15 20 15 20 20 20
Input Current
Full load conditions See ordering guide.
Inrush transient, A
2
sec 0.05
Output short circuit, mA 50
Low line (VIN = min.), Amps 1.54 6.17 4.63 1.51 4.47 3.06
Standby mode, mA
(Off, UV, OT shutdown)
4104 1
Internal input fi lter type Pi L-C Pi L-C
External recommended fast
blow fuse, Amps
10 10 7.5 10 7.5
Reverse polarity
protection
None. Install external fuse.
Remote On/Off Control
Positive logic
(P model suffi x)
OFF = Ground pin to +1V max.
ON = Open or +3.5 to +15V max
Negative logic
(N model suffi x)
OFF = Open or +2.5V to +15V max.
ON = –0.1V to +0.8V max
Current, mA 1
Output
Voltage output range See ordering guide.
Voltage output accuracy ±1% of VNOM.
Adjustment range –10 to +10% of VNOM.
Temperature coeffi cient
over oper. Temp. range
±0.02% of V
OUT range per °C
Minimum loading No minimum loading.
Remote sense
compensation
+10%.
Ripple/noise
(20 MHz bandwidth)
See ordering guide.
Line/Load regulation See ordering guide.
Effi ciency See ordering guide.
Maximum capacitive loading,
Low ESR <0.02 max.,
resistive load, F
10,000 10,000 max. 20,000 max. 5000 10,000 1,000
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Single Output UCH Models
Isolated, “Half-Brick”
1.8−15V Output DC/DC Converters
MDC_UCH Models.C01 Page 4 of 18