Datasheet LT1510, LT1510-5 (Analog Devices) - 5
| Hersteller | Analog Devices |
| Beschreibung | Constant-Voltage/Constant-Current Battery Charger |
| Seiten / Seite | 16 / 5 — TYPICAL PERFORMANCE CHARACTERISTICS. Switching Frequency vs. Efficiency … |
| Dateiformat / Größe | PDF / 297 Kb |
| Dokumentensprache | Englisch |
TYPICAL PERFORMANCE CHARACTERISTICS. Switching Frequency vs. Efficiency of Figure 2 Circuit. Temperature. CC vs Duty Cycle
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Textversion des Dokuments
LT1510/LT1510-5
W U TYPICAL PERFORMANCE CHARACTERISTICS Switching Frequency vs Efficiency of Figure 2 Circuit I Temperature CC vs Duty Cycle
100 8 210 V V CC = 16V 98 CC = 15V (EXCLUDING DISSIPATION 7 ON INPUT DIODE D3) 205 96 VBAT = 8.4V 6 94 200 5 92 0°C 90 (mA) 4 125°C 195 I CC 88 3 25°C EFFICIENCY (%) FREQUENCY (kHz) 190 86 2 84 185 1 82 80 0 180 0.1 0.3 0.5 0.7 0.9 1.1 1.3 1.5 0 10 20 30 40 50 60 70 80 –20 0 20 40 60 80 100 120 140 IBAT (A) DUTY CYCLE (%) TEMPERATURE (°C) 1510 G01 1510 G04 1510 G05
ICC vs VCC V I REF Line Regulation VA vs
∆
VOVP (Voltage Amplifier)
7.0 0.003 4 MAXIMUM DUTY CYCLE 0.002 6.5 0°C 3 25°C 0.001 6.0 ALL TEMPERATURES 125°C (V) (mV) (mA) 0 2 REF I CC OVP 5.5 ∆V ∆V 125°C –0.001 1 5.0 –0.002 25°C 4.5 –0.003 0 0 5 10 15 20 25 30 0 5 10 15 20 25 30 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0 VCC (V) VCC (V) IVA (mA) 1510 G03 1510 G02 1510 G08
Maximum Duty Cycle V PROG Pin Characteristic C Pin Characteristic
98 –1.20 6 –1.08 97 –0.96 96 –0.84 125°C 95 –0.72 –0.60 94 (mA) (mA) 0 25°C I VC –0.48 93 I PROG DUTY CYCLE (%) –0.36 92 –0.24 –0.12 91 0 90 0.12 – 6 0 20 40 60 80 100 120 140 0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0 0 1 2 3 4 5 TEMPERATURE (°C) VC (V) VPROG (V) 1510 G09 1510 G10 1510 G11 5
W U TYPICAL PERFORMANCE CHARACTERISTICS Switching Frequency vs Efficiency of Figure 2 Circuit I Temperature CC vs Duty Cycle
100 8 210 V V CC = 16V 98 CC = 15V (EXCLUDING DISSIPATION 7 ON INPUT DIODE D3) 205 96 VBAT = 8.4V 6 94 200 5 92 0°C 90 (mA) 4 125°C 195 I CC 88 3 25°C EFFICIENCY (%) FREQUENCY (kHz) 190 86 2 84 185 1 82 80 0 180 0.1 0.3 0.5 0.7 0.9 1.1 1.3 1.5 0 10 20 30 40 50 60 70 80 –20 0 20 40 60 80 100 120 140 IBAT (A) DUTY CYCLE (%) TEMPERATURE (°C) 1510 G01 1510 G04 1510 G05
ICC vs VCC V I REF Line Regulation VA vs
∆
VOVP (Voltage Amplifier)
7.0 0.003 4 MAXIMUM DUTY CYCLE 0.002 6.5 0°C 3 25°C 0.001 6.0 ALL TEMPERATURES 125°C (V) (mV) (mA) 0 2 REF I CC OVP 5.5 ∆V ∆V 125°C –0.001 1 5.0 –0.002 25°C 4.5 –0.003 0 0 5 10 15 20 25 30 0 5 10 15 20 25 30 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0 VCC (V) VCC (V) IVA (mA) 1510 G03 1510 G02 1510 G08
Maximum Duty Cycle V PROG Pin Characteristic C Pin Characteristic
98 –1.20 6 –1.08 97 –0.96 96 –0.84 125°C 95 –0.72 –0.60 94 (mA) (mA) 0 25°C I VC –0.48 93 I PROG DUTY CYCLE (%) –0.36 92 –0.24 –0.12 91 0 90 0.12 – 6 0 20 40 60 80 100 120 140 0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0 0 1 2 3 4 5 TEMPERATURE (°C) VC (V) VPROG (V) 1510 G09 1510 G10 1510 G11 5