Datasheet LT8210 (Analog Devices) - 7
| 制造商 | Analog Devices |
| 描述 | 100V VIN and VOUT Synchronous 4-Switch Buck‑Boost DC/DC Controller with Pass-Thru |
| 页数 / 页 | 46 / 7 — TYPICAL PERFORMANCE CHARACTERISTICS. Efficiency vs Load Current. … |
| 修订版 | A |
| 文件格式/大小 | PDF / 6.1 Mb |
| 文件语言 | 英语 |
TYPICAL PERFORMANCE CHARACTERISTICS. Efficiency vs Load Current. (VIN = 20V – Figure 37). (VIN = 48V – Figure 37)
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TYPICAL PERFORMANCE CHARACTERISTICS Efficiency vs Load Current Efficiency vs Load Current Efficiency vs Load Current (VIN = 20V – Figure 37) IN (VIN = 48V – Figure 37) IN (VIN = 70V – Figure 37) IN
100 100 100 90 90 90 80 80 80 70 70 70 60 60 60 50 50 50 40 40 40 EFFICIENCY (%) EFFICIENCY (%) EFFICIENCY (%) 30 30 30 CCM 20 CCM CCM DCM 20 DCM 20 DCM Burst Mode OPER. 10 10 Burst Mode OPER. 10 Burst Mode OPER. PASS–THRU PASS–THRU PASS–THRU 0 0 0 0.001 0.01 0.1 1 2.5 0.001 0.01 0.1 1 2.5 0.001 0.01 0.1 1 2.5 LOAD CURRENT (A) LOAD CURRENT (A) LOAD CURRENT (A) V 8210 G01 8210 G02 8210 G03 OUT = 48V VOUT = 48V V V OUT = 48V OUT(PASS–THRU) = 36V VOUT(PASS–THRU) = 52V
Efficiency and Power Loss vs Pass-Thru Non-Switching Input Voltage (Figure 37) Shutdown Currents vs V Shutdown Currents oltage Currents vs Input Voltage Currents vs Input V
100 25 2 40 I I OUT = 2A 1 VINP IVIN 35 I 98 20 VOUT 30 POWER LOSS (W) 0.1 EFFICIENCY 96 15 25 0.01 20 CCM 94 PASS–THRU 10 I EFFICIENCY (%) VIN CURRENT (µA) 15 I CURRENT (µA) VINP 0.001 ISNSP2 10 92 POWER LOSS 5 ISNSN2 IVOUT 5 0.0001 90 0 0 0 20 30 40 50 60 70 80 0 10 20 30 40 50 60 70 80 90 100 4 16 28 40 52 64 76 88 100 INPUT VOLTAGE (V) VOLTAGE (V) INPUT VOLTAGE (V) 8210 G04 8210 G05 8210 G06
IMON Current Limit vs Input IMON Measurement Accuracy Voltage (Figure 37) (Figure 37) IMON CMRR vs Frequency
3.40 101.8 12 130.0 VOUT = 95% × VOUT(NOM) VOUT = 48V RIMON = 150kΩ VOUT = 90% × VOUT(NOM) NORMALIZED CURRENT LIMIT (%) DCM MODE V 10 OUT = 50% × VOUT(NOM) V 120.0 3.38 IN = 20V V 101.2 OUT = 10% × VOUT(NOM) VIN = 48V 8 VIN = 60V VIN = 80V 110.0 3.36 100.9 6 100.0 I OUT (A) 3.34 100.3 4 ERROR (%) CMRR (dB) 90.0 2 3.32 99.7 0 80.0 CIMON = 3.3nF NO CIMON 3.30 99.1 –2 70.0 20 40 60 80 0 0.5 1 1.5 2 2.5 40 100 1k 10k 100k 400k INPUT VOLTAGE (V) OUTPUT CURRENT (A) FREQUENCY (Hz) 8210 G07 8210 G08 8210 G09 Rev. A For more information www.analog.com 7 Document Outline Features Applications Typical Application Description Table of Contents Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagram Operation Applications Information Typical Applications Revision History Typical Application Related Parts
TYPICAL PERFORMANCE CHARACTERISTICS Efficiency vs Load Current Efficiency vs Load Current Efficiency vs Load Current (VIN = 20V – Figure 37) IN (VIN = 48V – Figure 37) IN (VIN = 70V – Figure 37) IN
100 100 100 90 90 90 80 80 80 70 70 70 60 60 60 50 50 50 40 40 40 EFFICIENCY (%) EFFICIENCY (%) EFFICIENCY (%) 30 30 30 CCM 20 CCM CCM DCM 20 DCM 20 DCM Burst Mode OPER. 10 10 Burst Mode OPER. 10 Burst Mode OPER. PASS–THRU PASS–THRU PASS–THRU 0 0 0 0.001 0.01 0.1 1 2.5 0.001 0.01 0.1 1 2.5 0.001 0.01 0.1 1 2.5 LOAD CURRENT (A) LOAD CURRENT (A) LOAD CURRENT (A) V 8210 G01 8210 G02 8210 G03 OUT = 48V VOUT = 48V V V OUT = 48V OUT(PASS–THRU) = 36V VOUT(PASS–THRU) = 52V
Efficiency and Power Loss vs Pass-Thru Non-Switching Input Voltage (Figure 37) Shutdown Currents vs V Shutdown Currents oltage Currents vs Input Voltage Currents vs Input V
100 25 2 40 I I OUT = 2A 1 VINP IVIN 35 I 98 20 VOUT 30 POWER LOSS (W) 0.1 EFFICIENCY 96 15 25 0.01 20 CCM 94 PASS–THRU 10 I EFFICIENCY (%) VIN CURRENT (µA) 15 I CURRENT (µA) VINP 0.001 ISNSP2 10 92 POWER LOSS 5 ISNSN2 IVOUT 5 0.0001 90 0 0 0 20 30 40 50 60 70 80 0 10 20 30 40 50 60 70 80 90 100 4 16 28 40 52 64 76 88 100 INPUT VOLTAGE (V) VOLTAGE (V) INPUT VOLTAGE (V) 8210 G04 8210 G05 8210 G06
IMON Current Limit vs Input IMON Measurement Accuracy Voltage (Figure 37) (Figure 37) IMON CMRR vs Frequency
3.40 101.8 12 130.0 VOUT = 95% × VOUT(NOM) VOUT = 48V RIMON = 150kΩ VOUT = 90% × VOUT(NOM) NORMALIZED CURRENT LIMIT (%) DCM MODE V 10 OUT = 50% × VOUT(NOM) V 120.0 3.38 IN = 20V V 101.2 OUT = 10% × VOUT(NOM) VIN = 48V 8 VIN = 60V VIN = 80V 110.0 3.36 100.9 6 100.0 I OUT (A) 3.34 100.3 4 ERROR (%) CMRR (dB) 90.0 2 3.32 99.7 0 80.0 CIMON = 3.3nF NO CIMON 3.30 99.1 –2 70.0 20 40 60 80 0 0.5 1 1.5 2 2.5 40 100 1k 10k 100k 400k INPUT VOLTAGE (V) OUTPUT CURRENT (A) FREQUENCY (Hz) 8210 G07 8210 G08 8210 G09 Rev. A For more information www.analog.com 7 Document Outline Features Applications Typical Application Description Table of Contents Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagram Operation Applications Information Typical Applications Revision History Typical Application Related Parts