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LED DRIVER |
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INPUT(Vac) |
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INPUT(Vdc) |
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DC TO DC CONVERTER |
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AC TO DC CONVERTER |
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SR78BXX-1.0A Series
1.0 AMP SIP3
Single Out |
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| Features: |
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Efficiency up to 96%,Non isolated, no need for heatsinks |
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Very low profile( L*W*H=13.7*10.4*12.8 ) |
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Wide input range.(4.75V ~ 30V) |
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Short circuit protection, Thermal shutdown |
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Non standard outputs available as specials between 3.3V ~15.5V |
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Low ripple and noise |
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| MODEL: |
| Part Number |
Input Range |
Output Voltage |
Output Current |
Efficiency
Min. Vin Max. Vin |
| SIP3 |
(V) |
(V) |
(A) |
(%) |
(%) |
| S R 7 8B3 . 3 - 1.0A |
4.75 - 30 |
3.3 |
1.0 |
88 |
81 |
| S R 7 8B5 . 0 - 1.0A |
6.5 - 30 |
5 |
1.0 |
92 |
86 |
| S R 7 8B6 . 5 - 1.0A |
9.0 - 30 |
6.5 |
1.0 |
93 |
88 |
| S R 7 8B9 . 0 - 1.0A |
12 - 30 |
9 |
1.0 |
94 |
92 |
| S R 7 8B1 2 - 1.0A |
16 - 30 |
12 |
1.0 |
95 |
94 |
| S R 7 8B1 5 - 1.0A |
20 - 30 |
15 |
1.0 |
96 |
95 |
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| Specifications (typical at 25℃ , 10% minimum load , unless otherwise specified) |
| Characteristics |
Conditions |
Min. |
Typ. |
Max. |
| Input Voltage Range |
3.3V
5V to 15.5V |
4.75
6.5 |
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30.0 V
30.0 V |
| Output Voltage Range (for customized parts) |
All Series |
3.3 |
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15.5 V |
| Output Current |
All Series |
0 |
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1000mA |
| Output Current Limit |
All Series |
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2000mA |
| Short Circuit Input Current |
All Series |
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10 |
20mA |
| Internal Power Dissipation |
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0.65W |
| Short Circuit Protection |
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Continuous, automatic recovery |
| Output Voltage Accuracy(At 100% Load) |
All Series |
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± 2 |
± 3% |
Line Voltage Regulation
(Vin=min. to max. at full load) |
3.3V to 6.5V
9V to 15.5V |
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0.2
0.1 |
0.4%
0.2% |
| Load Regulation(10 to 100% full load)
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3.3V to 6.5V
9V to 15.5V |
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0.4
0.25 |
0.6%
0.4% |
| Ripple & Noise(without Output Capacitor)
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3.3V to 6.5V
9V to 15.5V |
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20mVp-p
30mVp-p |
30mVp-p
40mVp-p |
Ripple & Noise
(with Output Capacitor =100uF) |
3.3V to 6.5V
9V to 15.5V |
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15mVp-p
25mVp-p |
20mVp-p
35mVp-p |
| Temperature Coefficient |
-40 ~ + 85 ambient |
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0.015% / |
| Max capacitance Load |
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220uF |
| Switching Frequency |
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280 |
330 |
380KHz |
| Quiescent Current |
Vin = min. to max. at 0% load |
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5 |
7mA |
| Input Reflected Ripple Current |
All Series |
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150 |
200mAp-p |
| Operating Temperature Range |
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-40 |
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+ 85 |
| Operating Case Temperature |
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+100 |
| Storage Temperature Range |
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-55 |
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+125 |
| Case Thermal Impendance |
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60 / W |
| Thermal Shutdown |
internal IC junction |
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+160 |
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| Relative Humidity |
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95% RH |
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| Standard Application Circuit: |
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Add a blocking diode
to Vout if current can
flow backwards into the output, as this
can damage the converter. |
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| Mechanical: |
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| Tolerance: ±0.25 (0.010) unless specified otherwise |
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