Datasheet LT3570 (Analog Devices) - 6
| Manufacturer | Analog Devices |
| Description | 1.5A Buck Converter, 1.5A Boost Converter and LDO Controller |
| Pages / Page | 20 / 6 — TYPICAL PERFORMANCE CHARACTERISTICS. SW2 Saturation Voltage. SW2 Current … |
| File Format / Size | PDF / 295 Kb |
| Document Language | English |
TYPICAL PERFORMANCE CHARACTERISTICS. SW2 Saturation Voltage. SW2 Current Limit vs Duty Cycle. vs SW2 Current
Model Line for this Datasheet
Text Version of Document
LT3570
TYPICAL PERFORMANCE CHARACTERISTICS SW2 Saturation Voltage SW2 Current Limit vs Duty Cycle vs SW2 Current
3.0 350 2.5 300 250 2.0 200 1.5 150 CURRENT (A) 1.0 VOLTAGE (mV) 100 0.5 TJ = 125°C TJ = 125°C T 50 J = 25°C TJ = 25°C TJ = –40°C TJ = –40°C 0 0 0 10 20 30 40 50 60 70 80 90 100 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0 DUTY CYCLE (%) CURRENT (A) 3570 G12 3570 G13
BOOST Pin Current vs Switch Current NPN_DRV Output Current vs VIN3
30 18 16 25 TJ = 25°C 14 TJ = 25°C TJ = 125°C 20 12 T T J = –40°C J = –40°C 10 15 TJ = 125°C 8 CURRENT (mA) CURRENT (mA) 10 6 4 5 2 0 0 0 0.2 0.4 0.6 0.8 1.0 1 5 10 15 20 25 30 35 40 CURRENT (A) VOLTAGE (V) 3570 G14 3570 G15 3570fb 6
TYPICAL PERFORMANCE CHARACTERISTICS SW2 Saturation Voltage SW2 Current Limit vs Duty Cycle vs SW2 Current
3.0 350 2.5 300 250 2.0 200 1.5 150 CURRENT (A) 1.0 VOLTAGE (mV) 100 0.5 TJ = 125°C TJ = 125°C T 50 J = 25°C TJ = 25°C TJ = –40°C TJ = –40°C 0 0 0 10 20 30 40 50 60 70 80 90 100 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0 DUTY CYCLE (%) CURRENT (A) 3570 G12 3570 G13
BOOST Pin Current vs Switch Current NPN_DRV Output Current vs VIN3
30 18 16 25 TJ = 25°C 14 TJ = 25°C TJ = 125°C 20 12 T T J = –40°C J = –40°C 10 15 TJ = 125°C 8 CURRENT (mA) CURRENT (mA) 10 6 4 5 2 0 0 0 0.2 0.4 0.6 0.8 1.0 1 5 10 15 20 25 30 35 40 CURRENT (A) VOLTAGE (V) 3570 G14 3570 G15 3570fb 6
