Datasheet LT1769 (Analog Devices) - 5
| 制造商 | Analog Devices |
| 描述 | Constant-Current/Constant-Voltage 2A Battery Charger with Input Current Limiting |
| 页数 / 页 | 16 / 5 — TYPICAL PERFORMANCE CHARACTERISTICS. VREF Line Regulation. IVA vs. VOVP … |
| 文件格式/大小 | PDF / 243 Kb |
| 文件语言 | 英语 |
TYPICAL PERFORMANCE CHARACTERISTICS. VREF Line Regulation. IVA vs. VOVP (Voltage Amplifier). Maximum Duty Cycle
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LT1769
W U TYPICAL PERFORMANCE CHARACTERISTICS VREF Line Regulation IVA vs
∆
VOVP (Voltage Amplifier)
0.003 4 0.002 3 0.001 ALL TEMPERATURES (V) (mV) 0 REF 2 ∆V OVP∆V TJ = 125°C –0.001 1 –0.002 TJ = 25°C –0.003 0 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) IVA (mA) 1769 G04 1769 G05
Maximum Duty Cycle VC Pin Characteristics
98 –1.20 –1.08 97 –0.96 96 –0.84 95 –0.72 –0.60 94 (mA) I VC –0.48 93 –0.36 DUTY CYCLE (%) –0.24 92 –0.12 91 0 90 0.12 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 JUNCTION TEMPERATURE (°C) VC (V) 1769 G06 1769 G07
Reference Voltage PROG Pin Characteristics vs Temperature
6 2.470 2.468 TJ = 125°C 2.466 TJ = 25°C (mA) 0 2.464 I PROG 2.462 REFERENCE VOLTAGE (V) 2.460 – 6 2.458 0 1 2 3 4 5 0 25 50 75 100 125 150 JUNCTION TEMPERATURE VPROG (V) 1769 G09 1769 G08 1769fa 5
W U TYPICAL PERFORMANCE CHARACTERISTICS VREF Line Regulation IVA vs
∆
VOVP (Voltage Amplifier)
0.003 4 0.002 3 0.001 ALL TEMPERATURES (V) (mV) 0 REF 2 ∆V OVP∆V TJ = 125°C –0.001 1 –0.002 TJ = 25°C –0.003 0 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) IVA (mA) 1769 G04 1769 G05
Maximum Duty Cycle VC Pin Characteristics
98 –1.20 –1.08 97 –0.96 96 –0.84 95 –0.72 –0.60 94 (mA) I VC –0.48 93 –0.36 DUTY CYCLE (%) –0.24 92 –0.12 91 0 90 0.12 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 JUNCTION TEMPERATURE (°C) VC (V) 1769 G06 1769 G07
Reference Voltage PROG Pin Characteristics vs Temperature
6 2.470 2.468 TJ = 125°C 2.466 TJ = 25°C (mA) 0 2.464 I PROG 2.462 REFERENCE VOLTAGE (V) 2.460 – 6 2.458 0 1 2 3 4 5 0 25 50 75 100 125 150 JUNCTION TEMPERATURE VPROG (V) 1769 G09 1769 G08 1769fa 5