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EUS20-120 Datasheet, PDF (1/7 Pages) Murata Power Solutions Inc. – Bus Converter
Features:
9 48 Vin, Isolated, 4:1 Fixed Conversion Ratio
9 250 Watt Output at 48 Vin, 55 C, 200 LFM
9 200 Watt Output at 38 Vin, 55 C, 200 LFM
9 Industry Standard 1/8 Brick Footprint
9 Remote Enable (Primary Side, Positive or Negative)
9 Over-temperature and Over Current Protection
9 Direct Parallel Operation for Higher Power
9 RoHS Compliant
Input Characteristics
Input Voltage Operating Range
Input Voltage Absolute Maximum
Input Undervoltage Lockout
Input Overvoltage Lockout
Maximum Input Current
No-Load Input Current
Disabled Input Current
Input Reflected Ripple Current
Inrush Current Transient
Enable – Negative Logic Version
Internal 10 K pull-up to 5 V.
Enable – Positive Logic Version
Internal 100 K pull-down to GND.
Notes & Conditions
Table 1
Turn-on Threshold
Turn-off Threshold
Hysteresis Voltage
Turn-on Threshold
Turn-off Threshold
Hysteresis Voltage
Steady-State (26 A out)
Enabled state, no load (48 Vin)
Disabled state (48 Vin)
Note (10)
On State range
Off State range
On State range
Off State range
Table 2
Output Characteristics
Output Voltage Set Point (Vo=Vin/4 +0/-0.5%)
Output Load Regulation
Output Voltage Total Regulation
Output Ripple Voltage & Noise
Notes & Conditions
Vin = 48.0 V, Io = 0 A
Io = 0 to 20 A
Vin = 36 to 55 V, Io = 0 to 20 A,
Vin = 42 to 53 V, Io = 0 to 23 A,
20 MHz Bandwidth
Output Current Operating Range
Output Current Share Accuracy
Efficiency
Turn-On Time
Start-up Inhibit Time
Transient Response
Maximum Output Capacitance
Percent deviation from ideal (9)
Vin = 48 V, Io = 20 A
Vin present: Enable to 90% Vout
Enabled: Vin applied to 90% Vout
25% step, 0.1A/μs, ΔVo
Recovery Time
Bus Converter
EUS20-120 Model
Min Typ.
36
48
36
34
2
55
56
2
6.4
98
6
25
0.2
-0.1
2.4
2.4
-0.1
Max
55
60
37.5
35.5
57
58
0.8
5.0
5.0
0.8
Units
Vdc
Vdc
Vdc
Vdc
Vdc
Vdc
Vdc
Vdc
Adc
mA
mA
mA p-p
A2s
Vdc
Vdc
Vdc
Vdc
Min
11.94
8.3
9.7
0
Typ.
11.98
0.7
90
< 10
95.5
10
80
160
Max
12.0
13.75
13.25
150
20
100
2000
Units
Vdc
V
Vdc
Vdc
mV
p-p
A
%
%
mS
mS
mV
μs
μF
Technical enquiries email: sales@murata-ps.com, tel: +508 339 3000
1
EUS20-120-6200921520.B01 18/04/08