Datasheet LT1511 (Analog Devices) - 2
| 制造商 | Analog Devices |
| 描述 | Constant-Current/Constant-Voltage 3A Battery Charger with Input Current Limiting |
| 页数 / 页 | 16 / 2 — ABSOLUTE MAXIMUM RATINGS. PACKAGE/ORDER INFORMATION. (Note 1). ELECTRICAL … |
| 文件格式/大小 | PDF / 149 Kb |
| 文件语言 | 英语 |
ABSOLUTE MAXIMUM RATINGS. PACKAGE/ORDER INFORMATION. (Note 1). ELECTRICAL CHARACTERISTICS The
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LT1511
W W W U U W U ABSOLUTE MAXIMUM RATINGS PACKAGE/ORDER INFORMATION (Note 1)
Supply Voltage TOP VIEW ORDER PART (VMAX, CLP and CLN Pin Voltage) .. 30V GND** 1 24 GND** NUMBER Switch Voltage with Respect to GND .. – 3V SW 2 23 GND** Boost Pin Voltage with Respect to V LT1511CSW CC ... 25V BOOST 3 22 VCC1* Boost Pin Voltage with Respect to GND ... 57V LT1511ISW GND** 4 21 VCC2* Boost Pin Voltage with Respect to SW Pin .. 30V GND** 5 20 V *ALL V CC3* CC PINS SHOULD BE CONNECTED V UV 6 19 PROG C, PROG, OVP Pin Voltage .. 8V TOGETHER CLOSE TO I GND** 7 THE PINS 18 VC BAT (Average) ... 3A ** ALL GND PINS ARE OVP 8 17 UV Switch Current (Peak) .. 4A OUT FUSED TO INTERNAL DIE ATTACH PADDLE FOR CLP 9 16 GND** Operating Junction Temperature Range HEAT SINKING. CONNECT CLN 10 15 COMP2 THESE PINS TO Commercial ... 0°C to 125°C EXPANDED PC LANDS COMP1 11 14 BAT FOR PROPER HEAT Industrial ... – 40°C to 125°C SINKING. 30°C/W SENSE 12 13 SPIN THERMAL RESISTANCE Operating Ambient Temperature ASSUMES AN INTERNAL SW PACKAGE Commercial .. 0°C to 70°C GROUND PLANE 24-LEAD PLASTIC SO WIDE DOUBLING AS A HEAT Industrial ... – 40°C to 85°C TJMAX = 125°C, θJA = 30°C/ W** SPREADER Storage Temperature Range ... – 65°C to 150°C Consult factory for Military grade parts. Lead Temperature (Soldering, 10 sec).. 300°C
ELECTRICAL CHARACTERISTICS The
●
denotes specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25
°
C. VCC = 16V, VBAT = 8V, VMAX (maximum operating VCC) = 28V, RS2 = RS3 = 200
Ω
(see Block Diagram), VCLN = VCC. No load on any outputs unless otherwise noted. PARAMETER CONDITIONS MIN TYP MAX UNITS Overall
Supply Current VPROG = 2.7V, VCC ≤ 20V ● 4.5 6.8 mA VPROG = 2.7V, 20V < VCC ≤ 25V ● 4.6 7.0 mA Sense Amplifier CA1 Gain and Input Offset Voltage 8V ≤ VCC ≤ 25V , 0V ≤ VBAT ≤ 20V (With RS2 = 200Ω, RS3 = 200Ω) RPROG = 4.93k ● 95 100 105 mV (Measured across RS1)(Note 2) RPROG = 49.3k ● 8 10 12 mV TJ < 0°C 7 13 mV VCC = 28V, VBAT = 20V RPROG = 4.93k ● 90 110 mV RPROG = 49.3k ● 7 13 mV TJ < 0°C 6 14 mV VCC Undervoltage Lockout (Switch OFF) Threshold Measured at UV Pin ● 6 7 8 V UV Pin Input Current 0.2V ≤ VUV ≤ 8V ● 0.1 5 µA UV Output Voltage at UVOUT Pin In Undervoltage State, IUVOUT = 70µA ● 0.1 0.5 V UV Output Leakage Current at UVOUT Pin 8V ≤ VUV, VUVOUT = 5V ● 0.1 3 µA Reverse Current from Battery (When VCC Is VBAT ≤ 20V, VUV ≤ 0.4V 3 15 µA Not Connected, VSW Is Floating) 2
W W W U U W U ABSOLUTE MAXIMUM RATINGS PACKAGE/ORDER INFORMATION (Note 1)
Supply Voltage TOP VIEW ORDER PART (VMAX, CLP and CLN Pin Voltage) .. 30V GND** 1 24 GND** NUMBER Switch Voltage with Respect to GND .. – 3V SW 2 23 GND** Boost Pin Voltage with Respect to V LT1511CSW CC ... 25V BOOST 3 22 VCC1* Boost Pin Voltage with Respect to GND ... 57V LT1511ISW GND** 4 21 VCC2* Boost Pin Voltage with Respect to SW Pin .. 30V GND** 5 20 V *ALL V CC3* CC PINS SHOULD BE CONNECTED V UV 6 19 PROG C, PROG, OVP Pin Voltage .. 8V TOGETHER CLOSE TO I GND** 7 THE PINS 18 VC BAT (Average) ... 3A ** ALL GND PINS ARE OVP 8 17 UV Switch Current (Peak) .. 4A OUT FUSED TO INTERNAL DIE ATTACH PADDLE FOR CLP 9 16 GND** Operating Junction Temperature Range HEAT SINKING. CONNECT CLN 10 15 COMP2 THESE PINS TO Commercial ... 0°C to 125°C EXPANDED PC LANDS COMP1 11 14 BAT FOR PROPER HEAT Industrial ... – 40°C to 125°C SINKING. 30°C/W SENSE 12 13 SPIN THERMAL RESISTANCE Operating Ambient Temperature ASSUMES AN INTERNAL SW PACKAGE Commercial .. 0°C to 70°C GROUND PLANE 24-LEAD PLASTIC SO WIDE DOUBLING AS A HEAT Industrial ... – 40°C to 85°C TJMAX = 125°C, θJA = 30°C/ W** SPREADER Storage Temperature Range ... – 65°C to 150°C Consult factory for Military grade parts. Lead Temperature (Soldering, 10 sec).. 300°C
ELECTRICAL CHARACTERISTICS The
●
denotes specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25
°
C. VCC = 16V, VBAT = 8V, VMAX (maximum operating VCC) = 28V, RS2 = RS3 = 200
Ω
(see Block Diagram), VCLN = VCC. No load on any outputs unless otherwise noted. PARAMETER CONDITIONS MIN TYP MAX UNITS Overall
Supply Current VPROG = 2.7V, VCC ≤ 20V ● 4.5 6.8 mA VPROG = 2.7V, 20V < VCC ≤ 25V ● 4.6 7.0 mA Sense Amplifier CA1 Gain and Input Offset Voltage 8V ≤ VCC ≤ 25V , 0V ≤ VBAT ≤ 20V (With RS2 = 200Ω, RS3 = 200Ω) RPROG = 4.93k ● 95 100 105 mV (Measured across RS1)(Note 2) RPROG = 49.3k ● 8 10 12 mV TJ < 0°C 7 13 mV VCC = 28V, VBAT = 20V RPROG = 4.93k ● 90 110 mV RPROG = 49.3k ● 7 13 mV TJ < 0°C 6 14 mV VCC Undervoltage Lockout (Switch OFF) Threshold Measured at UV Pin ● 6 7 8 V UV Pin Input Current 0.2V ≤ VUV ≤ 8V ● 0.1 5 µA UV Output Voltage at UVOUT Pin In Undervoltage State, IUVOUT = 70µA ● 0.1 0.5 V UV Output Leakage Current at UVOUT Pin 8V ≤ VUV, VUVOUT = 5V ● 0.1 3 µA Reverse Current from Battery (When VCC Is VBAT ≤ 20V, VUV ≤ 0.4V 3 15 µA Not Connected, VSW Is Floating) 2