Datasheet LT8710 (Analog Devices) - 6
| 制造商 | Analog Devices |
| 描述 | Synchronous SEPIC/Inverting/Boost Controller with Output Current Control |
| 页数 / 页 | 44 / 6 — Typical perForMance characTerisTics TA = 25°C, unless otherwise noted. … |
| 文件格式/大小 | PDF / 657 Kb |
| 文件语言 | 英语 |
Typical perForMance characTerisTics TA = 25°C, unless otherwise noted. Max Current Limit vs Duty Cycle
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LT8710
Typical perForMance characTerisTics TA = 25°C, unless otherwise noted. Max Current Limit vs Duty Cycle Max Current Limit vs Temperature Max Current Limit vs SS (CSP - CSN) at Min DC (CSP - CSN) (CSP - CSN)
60 –20 56 –26 60 fOSC = 300kHz 55 –25 MAX NEGA –28 MAX NEGA 54 50 50 –30 52 –30 40 45 –35 TIVE CSP-CSN (mV) TIVE CSP-CSN (mV) 40 –40 50 –32 30 35 –45 CSP-CSN (mV) 48 –34 20 30 –50 MAX POSITIVE CSP-CSN (mV) MAX POSITIVE CSP-CSN (mV) 46 –36 10 25 –55 20 –60 44 –38 0 0 10 20 30 40 50 60 70 80 90 100 –50 –25 0 25 50 75 100 125 0.0 0.2 0.4 0.6 0.8 1 1.2 1.4 1.6 DUTY CYCLE (%) TEMPERATURE (°C) SS (V) 8710 G01 8710 G02 8710 G03
Positive and Negative FBX Positive and Negative Output Current at Output Voltage Input Voltage Regulation Voltage Regulation (FBX) Regulation (EN/FBIN)
1.2225 15.0 86 86 1.63 NEGA TIVE FBX CURRENT OUT OF PIN (µA) 1.2200 12.5 NEGA 85 85 1.62 TIVE FBX VOL 1.2175 10.0 84 84 1.61 TAGE (V) TAGE (V) 1.2150 7.5 83 83 1.60 TAGE (mV) 1.2125 5.0 82 82 1.59 EN/FBIN VOL POSITIVE FBX VOL 1.2100 2.5 81 81 1.58 POSITIVE FBX CURRENT INTO PIN (µA) 1.2075 0 80 80 1.57 –50 –25 0 25 50 75 100 125 –50 –25 0 25 50 75 100 125 –50 –25 0 25 50 75 100 125 TEMPERATURE (°C) TEMPERATURE (°C) TEMPERATURE (°C) 8710 G04 8710 G05 8710 G06
Input Voltage Regulation vs FBX Output Current Sense Regulation Output Current Sense Regulation (EN/FBIN) Voltage (ISP-ISN and IMON) Voltage vs FBX (ISP-ISN and IMON)
2.0 57.5 1.2175 60 1.30 1.9 55.0 1.2150 55 1.25 IMON IMON 1.8 52.5 1.2125 50 1.20 IMON (V) AVE ISP-ISN IMON (V) 1.7 50.0 1.2100 45 1.15 EN/FBIN (V) AVE ISP-ISN 1.6 47.5 1.2075 40 1.10 AVERAGE ISP-ISN (mV) AVERAGE ISP-ISN (mV) 1.5 45.0 1.2050 35 1.05 1.4 42.5 1.2025 30 1.00 0.6 0.7 0.8 0.9 1 1.1 1.2 1.3 –50 –25 0 25 50 75 100 125 0.6 0.7 0.8 0.9 1 1.1 1.2 1.3 FBX (V) TEMPERATURE (°C) FBX (V) 8710 G07 8710 G08 8710 G09 8710f 6 For more information www.linear.com/LT8710
Typical perForMance characTerisTics TA = 25°C, unless otherwise noted. Max Current Limit vs Duty Cycle Max Current Limit vs Temperature Max Current Limit vs SS (CSP - CSN) at Min DC (CSP - CSN) (CSP - CSN)
60 –20 56 –26 60 fOSC = 300kHz 55 –25 MAX NEGA –28 MAX NEGA 54 50 50 –30 52 –30 40 45 –35 TIVE CSP-CSN (mV) TIVE CSP-CSN (mV) 40 –40 50 –32 30 35 –45 CSP-CSN (mV) 48 –34 20 30 –50 MAX POSITIVE CSP-CSN (mV) MAX POSITIVE CSP-CSN (mV) 46 –36 10 25 –55 20 –60 44 –38 0 0 10 20 30 40 50 60 70 80 90 100 –50 –25 0 25 50 75 100 125 0.0 0.2 0.4 0.6 0.8 1 1.2 1.4 1.6 DUTY CYCLE (%) TEMPERATURE (°C) SS (V) 8710 G01 8710 G02 8710 G03
Positive and Negative FBX Positive and Negative Output Current at Output Voltage Input Voltage Regulation Voltage Regulation (FBX) Regulation (EN/FBIN)
1.2225 15.0 86 86 1.63 NEGA TIVE FBX CURRENT OUT OF PIN (µA) 1.2200 12.5 NEGA 85 85 1.62 TIVE FBX VOL 1.2175 10.0 84 84 1.61 TAGE (V) TAGE (V) 1.2150 7.5 83 83 1.60 TAGE (mV) 1.2125 5.0 82 82 1.59 EN/FBIN VOL POSITIVE FBX VOL 1.2100 2.5 81 81 1.58 POSITIVE FBX CURRENT INTO PIN (µA) 1.2075 0 80 80 1.57 –50 –25 0 25 50 75 100 125 –50 –25 0 25 50 75 100 125 –50 –25 0 25 50 75 100 125 TEMPERATURE (°C) TEMPERATURE (°C) TEMPERATURE (°C) 8710 G04 8710 G05 8710 G06
Input Voltage Regulation vs FBX Output Current Sense Regulation Output Current Sense Regulation (EN/FBIN) Voltage (ISP-ISN and IMON) Voltage vs FBX (ISP-ISN and IMON)
2.0 57.5 1.2175 60 1.30 1.9 55.0 1.2150 55 1.25 IMON IMON 1.8 52.5 1.2125 50 1.20 IMON (V) AVE ISP-ISN IMON (V) 1.7 50.0 1.2100 45 1.15 EN/FBIN (V) AVE ISP-ISN 1.6 47.5 1.2075 40 1.10 AVERAGE ISP-ISN (mV) AVERAGE ISP-ISN (mV) 1.5 45.0 1.2050 35 1.05 1.4 42.5 1.2025 30 1.00 0.6 0.7 0.8 0.9 1 1.1 1.2 1.3 –50 –25 0 25 50 75 100 125 0.6 0.7 0.8 0.9 1 1.1 1.2 1.3 FBX (V) TEMPERATURE (°C) FBX (V) 8710 G07 8710 G08 8710 G09 8710f 6 For more information www.linear.com/LT8710