4.8DBTW_3 series
4.8W - Dual Output - Wide Input - Isolated & Regulated regulated
IGBT dedicated DC-DC converter
DC-DC Converter
The 4.8DBTW_3 series are designed for the IGBT driver, offer 4.8W of output,
with output over- voltage protection and short-circuit protection. General
application includes:
4.8 Watt
2:1 wide input voltage range
Efficiency up to 85%
Operating temperature
range:-40°C to +85°C
Industry standard pin-out
IGBT dedicated regulated
DC-DC converter
Up to 3kVDC isolation
Short circuit protection
Output over-voltage protection
• Universal converter
• AC servo drive system
• Electric welding machine
• Uninterruptible power supply (UPS)
Common specifications
Short circuit protection
Output specifications
Continuous, self-recovery
Item
Test condition
Min
Typ
1
Max
4.8
Units
W
Operation temperature range
-40°C to +85°C Power derating≥71°C
(see Fig. 1)
Output Power
0.24
Output voltage
accuracy
• Supplement output
(-9V output)
• Full load, Input voltage
from low to high
Storage temperature range
Casing Temperature Rise
Storage Humidity
Lead temperature
MTBF
-55°C to +125°C
2
%
30°C to 40°C; Ta=25°C
5 -to 95 %RH (Non-condensing)
300°C MAX, 1.5mm from case for 10 sec
>1,000,000 hours
3
5
0.5
1
%
%
%
μs
Line regulation
Load regulation
Input voltage varies by 1%
5%-100% load
0.2
0.5
0.5
Temperature
Recovery Time
25% load step change
2
Case material
Black flame-retardant and
heat-resistant plastic [UL94-V0]
Transient Response
Deviation
25% load step change
100% load
2.5
5
%
Cooling
Free air convection
14g Typ.
Temperature Drift
Coefficient
0.03 %/°C
Weight
Dimension
31.60*20.30*10.20mm
Ripple & Noise*
20MHz bandwidth
100
300
120
200
mVp-p
KHz
Switching frequency Full load, nominal input
Over-voltage
Protection
110
140
%Vo
Input specifications
Item
Test condition
Min Typ
Max
Units
* Ripple and noise tested with “parallel cable” method, please see DC-DC Converter
Application Notes for specific operation methods.
Input voltage
• 12VDC input
• 24VDC input
-0.7
-0.7
25
50
VDC
VDC
Starting voltage
Input filter
• 12VDC input
• 24VDC input
6.5
9
18
VDC
VDC
Example:
4.8DBTW_121509_D3P
Input Filter Capacitor filter
4.8 = 4.8 Watt; D = DIP24; BT = IGBT; W = Wide input 2:1 (7-18; 18-36);
12 = 12Vin; 15 = +15Vout; 09 = -9Vout; D = Dual Output;
3 = 3kVDC isolation; P = Short Circuit Protection (SCP)
Isolation specifications
Item
Test condition
Min
Typ
Max
Units
VDC
Isolation voltage
Input-Output, tested
for 1 minute and
leakage current less
than 1mA
3000
Isolation resistance
Input-Output, test at
500VDC
1000
MΩ
pF
Isolation capacitance Input-output,
100KHz/0.1V
100
Product Selection Guide
Part Number
Input Voltage
Input Current
Full Load/No Load [mA,Typ]
Output Voltage
[VDC, +Vo/-Vo]
Output current
[mA, +Vo/-Vo]
Max. capacitive
Load [µF]
Efficiency @ Full Load
[%,Min/typ]
[VDC]
4.8DBTW_121509_D3P
4.8DBTW_241509_D3P
12 ( 7-18 )
24 (18-36)
471/16
235/8
+15/-9
200/ 10
200/ 10
1000
1000
85
85
+15/-9
Page 1 of 4
4.8DBTW_3 – Rev. 2020-1.0
Specifications subject to change without notice.
GAPTEC-Electronic GmbH & Co. KG
sales@gaptec-electronic.com – www.gaptec-electronic.com
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