BPU SERIES
20∼50W DC/DC CONVERTERS
Single Output & Dual Outputs
■ Pin Outs & Dimensions
<Top View>
55.88
±0.3
(±0.5mm)
4-M3 Through
10.16
±0.3
15.24
±0.3
15.24
±0.3
15.24
±0.3
1
2
3
4
5
34
40
±0.3
6
63
H8.5×W50×L75 (mm)
69
±0.3
75
50
10.16 15.24
6-φ1.6
15.24
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15.24
34
40
50
40
±0.3
46.5
69
±0.3
75
3
12
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Low Profile 8.5mm
6 Sided Metal Shielding
Internal Input Filtering
Wide Input Voltage Range
Input-Output Isolation
Adjustable Output Volt. ±5％
High Efficiency 81∼90％
Remote ON/OFF Control
Input Low Voltage Protection
Input Over Voltage Protection
Output Over Voltage Protection
115∼140％ Operation
Thermal Protection
＋110℃∼＋120℃
Operating Ambient Temperature
−40℃∼＋85℃
Max. Case Temperature +105℃
High Reliability
Conforming to RoHS Directive
Not built-in aluminum and
tantalum electrolytic capacitor
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薄型 8.5mm
６面メタルシールド
入力フィルタ内蔵
広範囲な入力電圧
入出力間絶縁
可変出力電圧 ±5％
高効率 81∼90％
ﾘﾓ½ﾄON/OFF½ﾝﾄﾛ½ﾙ
入力½電圧保護回路内蔵
入力過電圧保護回路内蔵
出力過電圧保護回路内蔵
115∼140％ 動½
過熱保護回路内蔵
＋110℃∼＋120℃
動½周囲温度
−40℃∼＋85℃
最大ケース温度 +105℃
高信頼性
RoHS指令対応
アルミ電解コンデンサ及び
タンタルコンデンサ不½用
0.5
φ1.2
■ Holes on PCB
(Top View)
4−No Printed Circuit Areas
55.88
(8)
8.5
Name Plate
4.7
■ Features
Thermal Radiation Plate
16.7
Pin Outs
Single Output
1
＋Vdc in
2
0 Vdc in
3
ON/OFF Control
4
＋Vdc out
0 Vdc out
5
6
No Connection
Dual Outputs
＋Vdc in
1
2
0 Vdc in
3
ON/OFF Control
4
＋Vdc out
5
Common
6
−Vdc out
V. ADJ
8
■ Option Heat Sink
4-φ3.3
Out Line
63
69
75
＊Option Heat Sink Model : A4-3079
Option Holes
(4-φ3.5)
■ General Characteristics
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■ Selection Guide
Model Number
B P U 1 2 −3.3 S 12 A
B P U 1 2 − 5 S 10 A
B P U 1 2 − 6 S 8.4 A
B P U 1 2 −1 2 S 4.2 A
B P U 1 2 −1 5 S 3.3 A
B P U 1 2 −2 4 S 2.1 A
B P U 1 2 −3.3 D 3 A
BPU12− 5D 3A
B P U 1 2 −1 2 D 1.5 A
B P U 1 2 −1 5 D 1.2 A
B P U 2 4 −3.3 S 12 A
B P U 2 4 − 5 S 10 A
B P U 2 4 − 6 S 8.4 A
B P U 2 4 −1 2 S 4.2 A
B P U 2 4 −1 5 S 3.3 A
B P U 2 4 −2 4 S 2.1 A
B P U 2 4 −3.3 D 3 A
BPU24− 5D 3A
B P U 2 4 −1 2 D 1.5 A
B P U 2 4 −1 5 D 1.2 A
B P U 4 8 −3.3 S 12 A
B P U 4 8 − 5 S 10 A
B P U 4 8 − 6 S 8.4 A
B P U 4 8 −1 2 S 4.2 A
B P U 4 8 −1 5 S 3.3 A
B P U 4 8 −2 4 S 2.1 A
B P U 4 8 −3.3 D 3 A
BPU48− 5D 3A
B P U 4 8 −1 2 D 1.5 A
B P U 4 8 −1 5 D 1.2 A
B P U 100−3.3 S 12 A
B P U 100− 5 S 10 A
B P U 100− 6 S 8.4 A
B P U 100−1 2 S 4.2 A
B P U 100−1 5 S 3.3 A
B P U 100−2 4 S 2.1 A
B P U 100−3.3 D 3 A
B P U 100− 5 D 3 A
B P U 100−1 2 D 1.5 A
B P U 100−1 5 D 1.2 A
Input Volt.
(Range)
(V. DC)
Output
Voltage
(V. DC)
3.3
5
6
12
15
24
± 3.3
± 5
±12
±15
3.3
5
6
12
15
24
± 3.3
± 5
±12
±15
3.3
5
6
12
15
24
± 3.3
± 5
±12
±15
3.3
5
6
12
15
24
± 3.3
± 5
±12
±15
Output
Current
(A)
12
10
8.4
4.2
3.3
2.1
±3
±3
±1.5
±1.2
12
10
8.4
4.2
3.3
2.1
±3
±3
±1.5
±1.2
12
10
8.4
4.2
3.3
2.1
±3
±3
±1.5
±1.2
12
10
8.4
4.2
3.3
2.1
±3
±3
±1.5
±1.2
87
86
87
84
83
83
80
80
81
81
84
85
87
84
85
84
80
80
81
82
85
85
85
85
85
85
80
80
81
82
84
86
84
85
85
85
80
80
81
82
Table 1
Efficiency
(Typical)(％)
30% Load 80% Load
Input Voltage,Range
Output Voltage,Current
Output Voltage,Range
Efficiency
Line Regulation
Load Regulation
Reflected Input Ripple,Noise
Output Ripple
Output Noise
Short Circuit Protection
Over Voltage Protection
Remote ON/OFF Control
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Temperature Coefficient
Operating Ambient Temp.
Max. Plate Temperature
Storage Temperature
Isolation Voltage
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Isolation Impedance
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Weight
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Humidity
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Shock
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Vibration
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Surface Structure
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Soldering Conditions
(at Ta:25℃, Full Load, Nominal Vin)
DC12, 24, 48, 100V (See Table 1)
See Table 1
See Table 1, ±5％ Adjustable
See Table 1
±0.3％ max. (at Vin Range)
Single : ±0.5％ max. (0∼100％ Load)
Dual : ±3％ max. (10∼100％ Load)
(3％ Vin)Vp-p max.
40mVp-p max.
100mVp-p max.
Built-in, Auto-restart (See Fig 2)
115∼140％ Output Voltage
ON : Short or 0∼0.8V
OFF : Open or 2∼10V
(Between pin ② ∼ ③ )
0.02％／℃ max.
−40℃∼＋85℃ (See Fig 1)
＋105℃
−40℃∼＋115℃
AC1500V 1 min. (DC12V,24V,48V Input)
AC2000V 1 min. (DC100V Input)
(Input−Output−Case)
100MΩ min. (at DC1000V)
(Input−Output−Case)
Main Body : 100g max.
Heat Sink : 55g max.
20∼95％ RH
490m/s
2
(11msec 3directions)
10∼55Hz 98m/s
2
(30minutes 3directions)
6 Sided Aluminium Case
260℃, for 15 seconds max.
360℃, for 5 seconds max.
Single : 500,000H
Dual : 600,000H
(Ta:25℃, 80％Load, Nominal Vin)
5 years
12
(8∼18)
24
(16∼36)
48
(32∼72)
Soldering DIP
Soldering iron
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MTBF
100
(64∼144)
85
89
87
88
88
88
81
82
83
84
85
88
89
89
89
89
81
82
84
85
86
88
88
88
90
90
81
82
84
85
87
89
89
90
90
90
81
82
84
85
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Warranty
※ 上記仕様以外にも対応可½ですので お問い合わせ下さい。
Please consult with us about other specification.
BPU SERIES
■ Block Diagram
Single Output
＋Vin
□
1
Over Volt. Detector
Voltage Regulator
Low Volt. Detector
Rectifier Circuit
Voltage Detector
Drive Circuit
Thermal
Protector
Control
Over Voltage
Detector
DATA SHEET
Fig 4 Efficiency vs. Output Current (Vin=12V)
100
90
Vin=8V
4
□
＋Vout
Efficiency (％)
80
70
60
50
40
Vin=18V
BPU12−3.3S12A
0
10
20
30
40
50
60
70
80
90
100
Vin=12V (Nominal Voltage)
0 Vin
□
2
3
□
ON/OFF Control
Over Current
Photo Coupler
Photo Coupler
5
□
6
□
0 Vout
NC
Output Current (％)
Dual Outputs
1
□
Over Volt. Detector
Low Volt. Detector
Thermal
Protector
Control
Drive Circuit
Fig 5 Efficiency vs. Output Current (Vin=24V)
4
□
Voltage Regulator
Voltage Detector
Over Voltage
Detector
100
90 Vin=16V
＋Vin
＋Vout
Efficiency (％)
5
□
COM
6
□
−Vout
80
70
60
50
40
0
10
20
30
40
50
60
Vin=36V
BPU24−12S4.2A
70
80
90
100
Vin=24V (Nominal Voltage)
2
□
0 Vin
3
□
ON/OFF Control
Over Current
Photo Coupler
Photo Coupler
■ Characteristic Curves
Fig 1 Derating Curve
140
Max Case Temp. 105℃
100
90
Output Current (％)
Fig 6 Efficiency vs. Output Current (Vin=100V)
Vin=64V
Output Current (％)
120
100
80
60
40
20
0
-40 -30 -20 -10 0 10 20 30 40 50 60 70 80 90 100 110
No Heat Sink
Additional Option Heat Sink
Efficiency (％)
80
70
60
50
40
0
10
20
30
40
50
60
Vin=144V
BPU100−5S10A
70
80
90
100
Vin=100V (Nominal Voltage)
Ambient Temperature (℃)
Output Current (％)
Fig 2 Short Circuit Operating Area
140
Fig 7 Efficiency vs. Output Current (Vin=100V)
100
90
Output Voltage (％)
120
Efficiency (％)
100
80
60
40
20
0
60
80
100
120
140
160
180
200
220
80 Vin=64V
70
60
50
40
0
10
20
30
40
50
60
BPU100−12S4.2A
70
80
90
100
Vin=144V
Vin=100V (Nominal Voltage)
Output Current (％)
Output Current (％)
Fig 3 Temperature Characteristic on Case Surface
100
90
80
70
60
50
40
30
20
10
0
Ta=25℃, Full Load, Vin=Nominal
BPU24−12S4.2A
No Heat Sink
Fig 8 Efficiency vs. Output Current (Vin=12V)
100
90
Vin=8V
Temperature (℃)
Efficiency (％)
80
70
60
50
40
BPU12−15D1.2A
0
10
20
30
40
50
60
70
80
90
100
Vin=18V
Vin=12V (Nominal Voltage)
ΔT＝42.1℃
Additional Option Heat Sink
ΔT＝58.1℃
0
10
20
30
40
50
60
70
80
Operating Time (minute)
Output Current (％)
Analogue and Mixed Signal
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