Datasheet LTC1702A (Analog Devices) - 2
| 制造商 | Analog Devices |
| 描述 | Dual 550kHz Synchronous 2-Phase Switching Regulator Controller |
| 页数 / 页 | 36 / 2 — ABSOLUTE MAXIMUM RATINGS. PACKAGE/ORDER INFORMATION. (Note 1). Order … |
| 文件格式/大小 | PDF / 427 Kb |
| 文件语言 | 英语 |
ABSOLUTE MAXIMUM RATINGS. PACKAGE/ORDER INFORMATION. (Note 1). Order Options. ELECTRICAL CHARACTERISTICS. The
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文件文字版本
LTC1702A
W W W U U W U ABSOLUTE MAXIMUM RATINGS PACKAGE/ORDER INFORMATION (Note 1)
Supply Voltage TOP VIEW VCC... 7V PV 1 24 CC IMAX2 BOOSTn ... 15V BOOST1 2 23 BOOST2 BOOSTn – SWn .. 7V BG1 3 22 BG2 Input Voltage TG1 4 21 TG2 SWn .. – 1V to 8V SW1 5 20 SW2 I 6 PGND All Other Inputs ... – 0.3V to V 19 MAX1 CC + 0.3V PGOOD1 7 18 PGOOD2 Peak Output Current < 10µs FCB 8 17 FAULT TGn, BGn ... 5A RUN/SS1 9 16 RUN/SS2 Operating Temperature Range COMP1 10 15 COMP2 LTC1702AC ... 0°C to 70°C SGND 11 14 FB2 LTC1702AI .. – 40°C to 85°C FB1 12 13 VCC Storage Temperature Range ... – 65°C to 150°C GN PACKAGE Lead Temperature (Soldering, 10 sec).. 300°C 24-LEAD NARROW PLASTIC SSOP TJMAX = 125°C, θJA = 100°C/ W ORDER PART NUMBER LTC1702ACGN LTC1702AIGN
Order Options
Tape and Reel: Add #TR Lead Free: Add #PBF Lead Free Tape and Reel: Add #TRPBF Lead Free Part Marking: http://www.linear.com/leadfree/ Consult LTC Marketing for parts specified with wider operating temperature ranges.
ELECTRICAL CHARACTERISTICS The
●
denotes specifications which apply over the full operating temperature range, otherwise specifications are TA = 25
°
C. VCC = 5V unless otherwise specified. (Note 3) SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS Main Control Loop
VCC VCC Supply Voltage ● 3 7 V PVCC PVCC Supply Voltage (Note 2) ● 3 7 V BVCC BOOST Pin Voltage VBOOST – VSW (Note 2) ● 2.7 7 V ICC VCC Supply Current Test Circuit 1, CL = 0pF ● 2.2 8 mA RUN/SS1 = RUN/SS2 = 0V (Note 5) ● 30 100 µA IPVCC PVCC Supply Current Test Circuit 1, CL = 0pF (Note 4) ● 2.2 6 mA RUN/SS1 = RUN/SS2 = 0V (Note 5) ● 6 100 µA IBOOST BOOST Pin Current Test Circuit 1, CL = 0pF (Note 4) ● 1.3 3 mA RUN/SS1 = RUN/SS2 = 0V ● 0.1 10 µA VFB Feedback Voltage Test Circuit 1, CL = 0pF, LTC1702AC ● 0.792 0.800 0.808 V Test Circuit 1, CL = 0pF, LTC1702AI ● 0.790 0.800 0.810 V ∆VFB Feedback Voltage Line Regulation VCC = 3V to 7V ● ±0.005 ±0.05 %/V IFB Feedback Current ● ±0.001 ±1 µA ∆VOUT Output Voltage Load Regulation (Note 6) ● 0.1 ±0.2 % 1702afa 2
W W W U U W U ABSOLUTE MAXIMUM RATINGS PACKAGE/ORDER INFORMATION (Note 1)
Supply Voltage TOP VIEW VCC... 7V PV 1 24 CC IMAX2 BOOSTn ... 15V BOOST1 2 23 BOOST2 BOOSTn – SWn .. 7V BG1 3 22 BG2 Input Voltage TG1 4 21 TG2 SWn .. – 1V to 8V SW1 5 20 SW2 I 6 PGND All Other Inputs ... – 0.3V to V 19 MAX1 CC + 0.3V PGOOD1 7 18 PGOOD2 Peak Output Current < 10µs FCB 8 17 FAULT TGn, BGn ... 5A RUN/SS1 9 16 RUN/SS2 Operating Temperature Range COMP1 10 15 COMP2 LTC1702AC ... 0°C to 70°C SGND 11 14 FB2 LTC1702AI .. – 40°C to 85°C FB1 12 13 VCC Storage Temperature Range ... – 65°C to 150°C GN PACKAGE Lead Temperature (Soldering, 10 sec).. 300°C 24-LEAD NARROW PLASTIC SSOP TJMAX = 125°C, θJA = 100°C/ W ORDER PART NUMBER LTC1702ACGN LTC1702AIGN
Order Options
Tape and Reel: Add #TR Lead Free: Add #PBF Lead Free Tape and Reel: Add #TRPBF Lead Free Part Marking: http://www.linear.com/leadfree/ Consult LTC Marketing for parts specified with wider operating temperature ranges.
ELECTRICAL CHARACTERISTICS The
●
denotes specifications which apply over the full operating temperature range, otherwise specifications are TA = 25
°
C. VCC = 5V unless otherwise specified. (Note 3) SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS Main Control Loop
VCC VCC Supply Voltage ● 3 7 V PVCC PVCC Supply Voltage (Note 2) ● 3 7 V BVCC BOOST Pin Voltage VBOOST – VSW (Note 2) ● 2.7 7 V ICC VCC Supply Current Test Circuit 1, CL = 0pF ● 2.2 8 mA RUN/SS1 = RUN/SS2 = 0V (Note 5) ● 30 100 µA IPVCC PVCC Supply Current Test Circuit 1, CL = 0pF (Note 4) ● 2.2 6 mA RUN/SS1 = RUN/SS2 = 0V (Note 5) ● 6 100 µA IBOOST BOOST Pin Current Test Circuit 1, CL = 0pF (Note 4) ● 1.3 3 mA RUN/SS1 = RUN/SS2 = 0V ● 0.1 10 µA VFB Feedback Voltage Test Circuit 1, CL = 0pF, LTC1702AC ● 0.792 0.800 0.808 V Test Circuit 1, CL = 0pF, LTC1702AI ● 0.790 0.800 0.810 V ∆VFB Feedback Voltage Line Regulation VCC = 3V to 7V ● ±0.005 ±0.05 %/V IFB Feedback Current ● ±0.001 ±1 µA ∆VOUT Output Voltage Load Regulation (Note 6) ● 0.1 ±0.2 % 1702afa 2