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R-78A1.8-1.0SMD 데이터시트 PDF




Recom에서 제조한 전자 부품 R-78A1.8-1.0SMD은 전자 산업 및 응용 분야에서
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부품번호 R-78A1.8-1.0SMD 기능
기능 SMD Single Output
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R-78A1.8-1.0SMD 데이터시트, 핀배열, 회로
Features
Efficiency up to 94%,Non isolated,
no need for heatsinks
SMD Package (UL94V-0 Material )
Adjustable Output Voltage
Wide input range.(4.75V ~ 18V)
Short circuit protection, Thermal shutdown
Remote On/Off Control
Very Low Shutdown Current
Selection Guide
Part
Number
SMD
R-78A1.8-1.0SMD
Input
Range (1)
(V)
4.75 – 18
Output
Voltage
(V)
1.8
Adjust
Range
(V)
1.5~3.3
Output
Current
(A)
1.0
Efficiency
Min. Vin Max. Vin
(%) (%)
82 71
R-78A2.5-1.0SMD 4.75 – 18
2.5 1.5~4.5
1.0
87 77
R-78A3.3-1.0SMD 4.75 – 18
3.3 1.8~5.5
1.0
91 81
R-78A5.0-1.0SMD 6.5 – 18
5.0 2.5~5.5
1.0
94 86
Description
The R-78Axx-1.0SMD series high efficiency switching regulators are ideally suited to pick-and-place mass
production. The efficiency of up to 94% means that very little energy is wasted as heat. remote on/off control
and adjustable output voltage are useful additional features of this versatile SMD converter series.
Specifications ( typical at 25°C, 10% minimum load, unless otherwise specified )
Characteristics
Conditions
Min. Typ. Max.
Input Voltage Range (Note 1)
See Table
4.75
18.0V
Output Voltage Range
See Table
1.5
5.5V
Output Current
All Series
0
1000mA
Output Current Limit
Short Circuit Input Current
All Series
All Series
www.DataSheet4U.com
3000mA
30mA
Internal Power Dissipation
0.4W
Short Circuit Protection
Continuous, automatic recovery
Output Voltage Accuracy (At 100% Load) All Series
±2 ±3%
Adjustable Voltage Range
See Table 1
±50%
Line Voltage Regulation (Vin = min to max at full load)
0.2 0.4%
Load Regulation (10% to 100% full load)
0.7 1.0%
Dynamic Load Stability
100%<>50% load
±85mV ±100mV
Ripple & Noise (20MHz BW)
20mVp-p 30mVp-p
Temperature Coefficient
-40°C~+85°C ambient
0.015%/°C
Max capacitance Load
220µF
Switching Frequency
280 350 430kHz
Quiescent Current
Vin = min. to max. at 0% load
5 7mA
Shutdown Current
20 35µA
Remote On/Off Threshold Voltage
0.8 1.2 1.6V
ON/OFF Remote Control
ON: Open or 1.6<Vr<5V, OFF: GND or 0<Vr<1.6V Ir=1.8uA typ.
Operating Temperature Range
-40°C
+85°C
Switch On/Off Time
(using Remote On/Off Control)
50ms
Operating Case Temperature
+100°C
Storage Temperature Range
-55°C
+125°C
Case Thermal Impendance
70°C / W
Thermal Shutdown
Internal IC junction
+160°C
Package Weight
2.7g
}MTBF (+25°C) Detailed Information see
using MIL-HDBK 217F
. (+71°C) Application Notes chapter "MTBF" using MIL-HDBK 217F
13338 x 10³ hours
3880 x 10³ hours
www.recom-international.com
04-April-2007
INNOLINE
DC/DC-Converter
R-78Axx-
1.0SMD
Series
1.0 AMP
SMD
Single Output
Derating-Graph
(Ambient Temperature)
120
100
80
60
40
30
20
Safe Operating Area
0
-40 0
25 50
7585 100
60
Operating Temperature (°C)
151




R-78A1.8-1.0SMD pdf, 반도체, 판매, 대치품
INNOLINE
DC/DC-Converter
Table 1: Adjustment Resistor Values
1.0Adc
Vout (nom.)
R-78A1.8-1.0SMD
1.8Vdc
Vout (adj)
1.5 (V)
1.8 (V)
2.5 (V)
3.0 (V)
3.3 (V)
3.6 (V)
3.9 (V)
4.5 (V)
4.9 (V)
5.0 (V)
5.1 (V)
5.5 (V)
R1
3K
R2
12K
4.7K
2.7K
R-78Axx-1.0 SMD
Series
R-78A2.5-1.0SMD
2.5Vdc
R1
200
12K
R2
50K
29K
19.4K
14k
8k
R-78A3.3-1.0SMD
3.3Vdc
R1 R2
770
21K
88.4K
69K
30.5K
12.1k
7.k6
6.8k
6.2k
4k
R-78A5.0-1.0SMD
5.0Vdc
R1 R2
5.6K
17K
27K
42K
58K
180K
850K
540k
71k
Package Style and Pinning (mm)
SMD 10Pin Package
15.24
14.84
7.05 9.00
1.65 2.54x4
0.55
Bottom View
2.54 1.20
3rd angle
projection
9.30
9.00
8.60
10.00
11.80
Recommended Footprint Details
10 9 8 7 6
13.00 Top View
12 34 5
1.20 1.80
10 9 8 7 6
RECOM
R-78Axx-1.0SMD
xxxx
12345
Pin Connections
Pin #
1,2 +Vin
3,7,8,9
GND
4,5 +Vout
6 V adj
10 Remote On/Off
xx.x ±0.5mm
xx.xx ±0.25mm
154
04-April-2007
www.recom-international.com

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R-78A1.8-1.0SMD

SMD Single Output

Recom
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