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S-8813 bảng dữ liệu(PDF) 21 Page - Seiko Instruments Inc |
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S-8813 bảng dữ liệu(HTML) 21 Page - Seiko Instruments Inc |
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21 / 29 page ![]() 3-CHANNEL WHITE LED DRIVER IC (CHARGE PUMP IC WITH BUILT-IN CONSTANT-CURRENT CIRCUIT) Rev.2.1_00 S-8813 Series Seiko Instruments Inc. 21 Major Power Supply Dependence Characteristics Examples 1. Standby Consumption Current (ISSS) vs. Operation Input Voltage (VIN) Characteristics 0.0 0.2 0.4 0.6 0.8 1.0 2.0 2.5 3.0 3.5 4.0 4.5 5.0 Ta= −40°C Ta=25 °C Ta=85 °C VIN [V] 2. Power-Off Pin Input Voltage "H" (VSH) vs. Operation Input Voltage (VIN) Characteristics 0.4 0.6 0.8 1.0 1.2 2.0 2.5 3.0 3.5 4.0 4.5 5.0 VIN [V] Ta= −40°C Ta=25 °C Ta=85 °C 3. Power-Off Pin Input Voltage "L" (VSL) vs. Operation Input Voltage (VIN) Characteristics 0.4 0.6 0.8 1.0 1.2 2.0 2.5 3.0 3.5 4.0 4.5 5.0 VIN [V] Ta= −40°C Ta=25 °C Ta=85 °C 4. RISET Pin Voltage (VRISET) vs. Operation Input Voltage (VIN) Characteristics 0.8 0.9 1.0 1.1 1.2 2.0 2.5 3.0 3.5 4.0 4.5 5.0 VIN [V] Ta= −40°C Ta=25 °C Ta=85 °C 5. Efficiency *1 ( η) vs. Operation Input Voltage (V IN) Characteristics Ta=25 °C VIN [V] From the top IOUT=10 mA / ch IOUT=20 mA / ch IOUT=18 mA / ch 2.0 2.5 3.0 3.5 4.0 4.5 5.0 0 20 40 60 80 100 6. CPOUT Pin Voltage (VCPOUT) vs. Operation Input Voltage (VIN) Characteristics 3.0 3.5 4.0 4.5 5.0 5.5 6.0 IOUT=18 mA/ch, Ta=25°C VIN [V] 2.0 2.5 3.0 3.5 4.0 4.5 5.0 Ta= −40°C Ta=25 °C Ta=85 °C 7. Operation Consumption Current (ISS1) vs. Operation Input Voltage (VIN) Characteristics 500 600 700 800 900 1000 1100 1200 2.0 2.5 3.0 3.5 4.0 4.5 5.0 VIN [V] RISET=5.6 kΩ Ta= −40°C Ta=25 °C Ta=85 °C 8. Ripple Voltage (VRIP) vs. Operation Input Voltage (VIN) Characteristics 2.0 2.5 3.0 3.5 4.0 4.5 5.0 Ta= −40°C Ta=25 °C Ta=85 °C 0 10 20 30 40 50 60 70 VIN [V] |
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