Datasheet CAT4101 (ON Semiconductor) - 4
| Manufacturer | ON Semiconductor |
| Description | 1 A Constant-Current LED Driver with PWM Dimming |
| Pages / Page | 10 / 4 — CAT4101. TYPICAL PERFORMANCE CHARACTERISTICS. Figure 3. Quiescent Current … |
| File Format / Size | PDF / 220 Kb |
| Document Language | English |
CAT4101. TYPICAL PERFORMANCE CHARACTERISTICS. Figure 3. Quiescent Current vs. VIN Voltage
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CAT4101 TYPICAL PERFORMANCE CHARACTERISTICS
(VIN = 5 V, VCC = 5 V, VF = 3.5 V, ILED = 1 A (1 LED), CIN = 1 mF, TAMB = 25°C unless otherwise specified.) 1.2 8.0 No Load 1.0 6.0 0.8 4.0 0.6 2.0 QUIESCENT CURRENT (mA) QUIESCENT CURRENT (mA) 0.4 0 3.0 3.5 4.0 4.5 5.0 5.5 0 200 400 600 800 1000 INPUT VOLTAGE (V) LED CURRENT (mA)
Figure 3. Quiescent Current vs. VIN Voltage Figure 4. Quiescent Current vs. LED Current (ILED = 0 mA)
8.5 1.2 Full Load 1.0 8.0 0.8 7.5 0.6 0.4 7.0 LED CURRENT (A) 0.2 QUIESCENT CURRENT (mA) 6.5 0 3.0 3.5 4.0 4.5 5.0 5.5 0 0.3 0.6 0.9 1.2 1.5 INPUT VOLTAGE (V) LED PIN VOLTAGE (V)
Figure 5. Quiescent Current vs. VIN Voltage Figure 6. LED Current vs. LED Pin Voltage (Full Load)
1.2 1.2 1.1 1.1 1.0 1.0 0.9 0.9 0.8 0.8 0.7 0.7 0.6 0.6 LED CURRENT (A) LED CURRENT (A) 0.5 0.5 0.4 0.4 0.3 0.3 2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5 −40 0 40 80 120 INPUT VOLTAGE (V) TEMPERATURE (°C)
Figure 7. LED Current Change vs. VIN Voltage Figure 8. LED Current Change vs. Temperature http://onsemi.com 4
(VIN = 5 V, VCC = 5 V, VF = 3.5 V, ILED = 1 A (1 LED), CIN = 1 mF, TAMB = 25°C unless otherwise specified.) 1.2 8.0 No Load 1.0 6.0 0.8 4.0 0.6 2.0 QUIESCENT CURRENT (mA) QUIESCENT CURRENT (mA) 0.4 0 3.0 3.5 4.0 4.5 5.0 5.5 0 200 400 600 800 1000 INPUT VOLTAGE (V) LED CURRENT (mA)
Figure 3. Quiescent Current vs. VIN Voltage Figure 4. Quiescent Current vs. LED Current (ILED = 0 mA)
8.5 1.2 Full Load 1.0 8.0 0.8 7.5 0.6 0.4 7.0 LED CURRENT (A) 0.2 QUIESCENT CURRENT (mA) 6.5 0 3.0 3.5 4.0 4.5 5.0 5.5 0 0.3 0.6 0.9 1.2 1.5 INPUT VOLTAGE (V) LED PIN VOLTAGE (V)
Figure 5. Quiescent Current vs. VIN Voltage Figure 6. LED Current vs. LED Pin Voltage (Full Load)
1.2 1.2 1.1 1.1 1.0 1.0 0.9 0.9 0.8 0.8 0.7 0.7 0.6 0.6 LED CURRENT (A) LED CURRENT (A) 0.5 0.5 0.4 0.4 0.3 0.3 2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5 −40 0 40 80 120 INPUT VOLTAGE (V) TEMPERATURE (°C)
Figure 7. LED Current Change vs. VIN Voltage Figure 8. LED Current Change vs. Temperature http://onsemi.com 4
