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RBBA3000 Arkusz danych(PDF) 4 Page - Recom International Power

Numer części RBBA3000
Szczegółowy opis  Non-isolated buck/boost converter
PDF  8 Pages
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Producent  RECOM [Recom International Power]
Strona internetowa  http://www.recom-international.com
Logo RECOM - Recom International Power

RBBA3000 Arkusz danych(HTML) 4 Page - Recom International Power

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REV.: 0/2019
RBB-4
DC/DC Converter
Specifications (measured @ Ta= 25°C, 2.5m/s, nom. Vin, 24Vout and after warm-up unless otherwise stated)
RBBA3000
Series
PROTECTIONS
Parameter
Condition
Value
Input Over Voltage Protection
150ms delay
65VDC
Input Over Current Protection
low line to high line
latch off, 55A typ.
Output Short Circuit Protection
fixed
using Iset (7)
hiccup mode, 55A typ.
hiccup mode, 0-50A
Output Over Voltage Protection (OVP)
latch off, 65VDC typ.
Over Temperature Protection (OTP)
case temperature (measured on tc point)
110°C
Notes:
Note7: The RBBA3000 series offers the feature of trimming the output current over a range between 0A and 50A by
using an external resistor between the Iset and the -Vin pin (1% recommended).
Additionally the Iset pin can be driven from an external voltage source:
Iout
max
k
1
k
2
k
3
50A
25
3.3
2.5
Practical Example RBBA3000-50:
Calculation:
R
Iset=
25 x 40
= 15.38kW
3.3 x 50 - 2.5 x 40
V
setI=
2.5 x
40
= 1.67V
60
R
Iset=
k
1 x Ioutset
k
2 x Ioutmax - k3 x Ioutset
V
setI=
k
3 x
Iout
set
Iout
max
Iout
max
= maximum output current [VDC]
Iout
set
= trimmed output current [VDC]
k
1, k2, k3
= trim up factor
[ ]
V
setI
= set voltage
[VDC]
R
Iset
= trim resistor
[k
W]
R
Iset according to E96 ≈ 15.4kW
+V
in
-V
in
-Vin
+Vin
I
set
-Vout
+Vout
+V
out
-V
out
R
Iset
V
setI
Output Current Setting
REGULATIONS
Parameter
Condition
Value
Output Accuracy
exclusive RTrim tolerances
±0.5% typ.
Line Regulation
low line to high line, full load
±1.0% typ.
Load Regulation
0% to 100% load
-4.0% x Vout x (Iout/Ioutmax.)
Transient Response
25% load step
recovery time
600mV max.
200µs typ.
Remote Sense
between +Vout and +Sense
between -Vout and -Sense
1.0VDC max.
0.2VDC max.



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