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B0505FTY-1WR2
● High efficiency with low output ripple and noise
● Low no-load power consumption and low quiescent current
- Product Description
- Parameter Introduction
- Precautions
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● Small size, high power density● High efficiency, with low output ripple and noise.● Low no-load power consumption and low quiescent current.● Long-duration short-circuit protection with auto-recovery● Good thermal stability and excellent temperature characteristics.● Operating temperature range: -40°C to +85°C● Isolation voltage up to 3000 VDC● High reliability (MTTF ≥ 3.5 million hours)● International-standard SMD package, saving PCB mounting space.● Environmentally friendly design, compliant with the RoHS Directive.● 100% Full-load aging
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Product Model List
Model number
Rated Input Voltage (V)
Rated output
Typical Efficiency (%)
Maximum capacitive load
(uF)
Nominal
Scope
Voltage (V)
Current (mA)
B0303FTY-1WR23.3
2.97~3.63
3.3
303
75/78
2200
B0305FTY-1WR25
200
77/80
2200
B0312FTY-1WR212
83
81/84
1000
B0503FTY-1WR2
5
4.5~5.5
3.3
303
75/78
1000
B0505FTY-1WR2
5
200
81/84
2200
B0509FTY-1WR2
9
111
80/83
1000
B0512FTY-1WR2
12
83
80/83
1000
B0515FTY-1WR2
15
67
80/83
1000
B0524FTY-1WR2
24
42
83/86
820
B1203FTY-1WR2
12
10.8~13.2
3.3
303
78/81
2200
B1205FTY-1WR2
5
200
82/85
2200
B1209FTY-1WR2
9
111
80/83
2200
B1212FTY-1WR2
12
83
80/83
1000
B1215FTY-1WR2
15
67
80/83
1000
B1224FTY-1WR2
24
42
82/85
820
B1505FTY-1WR2
15
13.5~16.5
5
200
79/82
2200
B1512FTY-1WR2
12
83
79/82
2200
B1515FTY-1WR2
15
67
83/86
1000
B1524FTY-1WR2
24
42
83/86
2200
B2403FTY-1WR2
24
21.6~26.4
3.3
303
73/76
3300
B2405FTY-1WR2
5
200
77/80
2200
B2409FTY-1WR2
9
111
77/80
1000
B2412FTY-1WR2
12
83
77/80
1000
B2415FTY-1WR2
15
67
77/80
1000
B2424FTY-1WR2
24
42
77/80
820
Output characteristics
Project
Conditions
smallest
Typical
Maximum
Unit
Output power
0.1
1
W
Line regulation of voltage
Under rated load, the input voltage varies by ±1%.
±1.2
±1.5
%
Load Regulation Rate
Under nominal input conditions, the load varies from 10% to 100%.
10
15
Quiescent current
Under the rated input, with the output load at 0 Ω.
B03XX
≤12
mA
Other
≤8
Temperature drift coefficient
Under rated load
±0.03
%/°C
Ripple & Noise
Bandwidth: 20 MHz, using the parallel‑line method.
50
100
mVp-p
Switching frequency
Rated input voltage
250
KHz
Output short-circuit protection
Long-duration short-circuit protection
Input filter
Capacitor filtering
Hot-swappable
Not supported
Output voltage accuracy
See the error envelope plot.
Insulation properties
Project
Test conditions
smallest
Typical
Maximum
Unit
Insulation resistance
500VDC
1000
MΩ
Insulation voltage
Test duration: 1 minute; leakage current less than 1 mA.
1500
VDC
General Characteristics
Project
Conditions
smallest
Typical
Maximum
Unit
Storage humidity
5
95
%
Operating temperature
-40
85
°C
Storage temperature
-55
125
Case temperature rise during operation
15
25
Pin soldering temperature resistance
Solder joint is 1.5 mm from the housing; apply for 10 seconds.
300
MTTF
MIL-HDBK-217F@25℃
350
Ten thousand hours
Weight
1.2
Kerl
Cooling method
Natural air cooling
Housing material
Flame-retardant, heat-resistant plastic (UL94-V0)
EMC characteristics
EMIConducted interferenceCISPR 32/EN 55032 Class B (see EMI circuit recommendations for details)Radiated interferenceCISPR 32/EN 55032 Class B (see EMI circuit recommendations for details)EMSElectrostatic dischargeIEC/EN61000-4-2 CONTACT ±8kV -
Avoid operating under no-load conditions whenever possible: When the load power consumption is less than 10% of the module’s rated output power. % It is recommended to connect a dummy load at the output or to select a module with a lower rated power; the dummy load (resistor) can be set to 10% of the module’s rated power. % Calculate: resistance value R = U 2 /(10 % ×1W);Avoid excessively large output bypass capacitors: The external capacitor C2 at the output should not have an excessively large capacitance; otherwise, it may cause overcurrent during module startup or result in poor startup performance. The specific value should be selected based on the capacitor’s datasheet.This product series does not support hot-swapping on the input side or parallel operation on the output side.In applications with stringent ripple‑noise requirements, an external LC filter should be used. The resonant frequency of the LC filter must be significantly lower than the switching frequency of the DC/DC converter to prevent mutual interference that could increase output ripple or damage the module, as shown in the figure.
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