Datasheet LT8609, LT8609A, LT8609B (Analog Devices) - 7
| Manufacturer | Analog Devices |
| Description | 42V, 3A Synchronous Step-Down Regulator with 2.5µA Quiescent Current |
| Pages / Page | 30 / 7 — TYPICAL PERFORMANCE CHARACTERISTICS. LT8609A-3.3 VOUT Voltage. LT8609A-5 … |
| Revision | I |
| File Format / Size | PDF / 2.0 Mb |
| Document Language | English |
TYPICAL PERFORMANCE CHARACTERISTICS. LT8609A-3.3 VOUT Voltage. LT8609A-5 VOUT Voltage. Load Regulation
Model Line for this Datasheet
- LT8609AEDDM#PBF LT8609AEDDM#TRPBF LT8609AEDDM#WPBF LT8609AEDDM#WTRPBF LT8609AEDDM-3.3#PBF LT8609AEDDM-3.3#TRPBF LT8609AEDDM-3.3#WPBF LT8609AEDDM-3.3#WTRPBF LT8609AEDDM-5#PBF LT8609AEDDM-5#TRPBF LT8609AEDDM-5#WPBF LT8609AEDDM-5#WTRPBF LT8609AEMSE#PBF LT8609AEMSE#TRPBF LT8609AEMSE#WPBF LT8609AEMSE#WTRPBF LT8609AEMSE16#PBF LT8609AEMSE16#TRPBF LT8609AEMSE16#WPBF LT8609AEMSE16#WTRPBF LT8609AHDDM#PBF LT8609AHDDM#TRPBF LT8609AHDDM#WPBF LT8609AHDDM#WTRPBF LT8609AHDDM-5#PBF LT8609AHDDM-5#TRPBF LT8609AHDDM-5#WPBF LT8609AHDDM-5#WTRPBF LT8609AHMSE#PBF LT8609AHMSE#TRPBF LT8609AHMSE#WPBF LT8609AHMSE#WTRPBF LT8609AHMSE16#PBF LT8609AHMSE16#TRPBF LT8609AHMSE16#WPBF LT8609AHMSE16#WTRPBF LT8609AIMSE#PBF LT8609AIMSE#TRPBF LT8609AIMSE#WPBF LT8609AIMSE#WTRPBF LT8609AIMSE16#PBF LT8609AIMSE16#TRPBF LT8609AIMSE16#WPBF LT8609AIMSE16#WTRPBF LT8609AJDDM#PBF LT8609AJDDM#TRPBF LT8609AJDDM#WPBF LT8609AJDDM#WTRPBF LT8609AJDDM-3.3#PBF LT8609AJDDM-3.3#TRPBF LT8609AJDDM-3.3#WPBF LT8609AJDDM-3.3#WTRPBF LT8609AJDDM-5#PBF LT8609AJDDM-5#TRPBF LT8609AJDDM-5#WPBF LT8609AJDDM-5#WTRPBF LT8609AJMSE#PBF LT8609AJMSE#TRPBF LT8609AJMSE#WPBF LT8609AJMSE#WTRPBF LT8609AJMSE16#PBF LT8609AJMSE16#TRPBF LT8609AJMSE16#WPBF LT8609AJMSE16#WTRPBF LT8609BEMSE#PBF LT8609BEMSE#TRPBF LT8609BIMSE#PBF LT8609BIMSE#TRPBF LT8609EMSE#PBF LT8609EMSE#TRPBF LT8609EMSE#WPBF LT8609EMSE#WTRPBF LT8609HMSE#PBF LT8609HMSE#TRPBF LT8609HMSE#WPBF LT8609HMSE#WTRPBF LT8609IMSE#PBF LT8609IMSE#TRPBF LT8609IMSE#WPBF LT8609IMSE#WTRPBF
Text Version of Document
LT8609/LT8609A/LT8609B
TYPICAL PERFORMANCE CHARACTERISTICS LT8609A-3.3 VOUT Voltage LT8609A-5 VOUT Voltage Load Regulation
3.310 5.02 0.500 0.400 3.305 5.01 0.300 3.300 0.200 TAGE (V) TAGE (V) 5.00 (%) 3.295 0.100 OUT 3.290 4.99 0.000 TION VOL TION VOL –0.100 3.285 4.98 REGULA REGULA CHANGE IN V –0.200 3.280 –0.300 V OUT V OUT 4.97 3.275 –0.400 3.270 4.96 –0.500 –50 –10 30 70 110 150 –50 –10 30 70 110 150 0.0 0.5 1.0 1.5 2.0 2.5 3.0 TEMPERATURE (°C) TEMPERATURE (°C) OUTPUT CURRENT (A) 8609 G40 8609 G41 8609 G10
No-Load Supply Current Tested in No-Load Supply Current Line Regulation Regulation vs Temperature (N ot Switching)
0.20 5.00 3.3 ILOAD = 1A L = 2.2µH VIN = 12V 0.15 3.1 4.50 2.9 0.10 4.00 2.7 (%) 0.05 OUT 3.50 2.5 0.00 (µA) LT8609 (V 2.3 OUT = 3.3V) I IN 3.00 LT8609A-3.3 –0.05 2.1 LT8609A-5 CHANGE IN V 2.50 1.9 –0.10 INPUT CURRENT (µA) 1.7 2.00 –0.15 1.5 –0.20 1.50 1.3 4.0 11.6 19.2 26.8 34.4 42.0 2 10 18 26 34 42 –50 –10 30 70 110 150 INPUT VOLTAGE (V) INPUT VOLTAGE (V) TEMPERATURE (°C) 8609 G11 8609 G12 8609 G13
Top FET Current Limit Top FET Current Limit vs Duty Cycle Top Fet Current Limit vs Duty Cycle vs Temperature
5.50 5.0 5.25 4.9 5.00 4.8 4.75 4.7 4.50 (A) 4.6 I SW 4.25 4.5 4.00 4.4 TOP FET CURRENT LIMIT (A) 3.75 4.3 3.50 4.2 0 20 40 60 80 100 –50 –10 30 70 110 150 DUTY CYCLE (%) TEMPERATURE (°C) 8609 G14 8609 G15 Rev. I For more information www.analog.com 7 Document Outline Features Applications Typical Application Description Absolute Maximum Ratings Pin Configuration Order Information Typical Performance Characteristics Pin Functions Block Diagram Operation Applications Information Typical Applications Package Description Revision History Typical Application Related Parts
TYPICAL PERFORMANCE CHARACTERISTICS LT8609A-3.3 VOUT Voltage LT8609A-5 VOUT Voltage Load Regulation
3.310 5.02 0.500 0.400 3.305 5.01 0.300 3.300 0.200 TAGE (V) TAGE (V) 5.00 (%) 3.295 0.100 OUT 3.290 4.99 0.000 TION VOL TION VOL –0.100 3.285 4.98 REGULA REGULA CHANGE IN V –0.200 3.280 –0.300 V OUT V OUT 4.97 3.275 –0.400 3.270 4.96 –0.500 –50 –10 30 70 110 150 –50 –10 30 70 110 150 0.0 0.5 1.0 1.5 2.0 2.5 3.0 TEMPERATURE (°C) TEMPERATURE (°C) OUTPUT CURRENT (A) 8609 G40 8609 G41 8609 G10
No-Load Supply Current Tested in No-Load Supply Current Line Regulation Regulation vs Temperature (N ot Switching)
0.20 5.00 3.3 ILOAD = 1A L = 2.2µH VIN = 12V 0.15 3.1 4.50 2.9 0.10 4.00 2.7 (%) 0.05 OUT 3.50 2.5 0.00 (µA) LT8609 (V 2.3 OUT = 3.3V) I IN 3.00 LT8609A-3.3 –0.05 2.1 LT8609A-5 CHANGE IN V 2.50 1.9 –0.10 INPUT CURRENT (µA) 1.7 2.00 –0.15 1.5 –0.20 1.50 1.3 4.0 11.6 19.2 26.8 34.4 42.0 2 10 18 26 34 42 –50 –10 30 70 110 150 INPUT VOLTAGE (V) INPUT VOLTAGE (V) TEMPERATURE (°C) 8609 G11 8609 G12 8609 G13
Top FET Current Limit Top FET Current Limit vs Duty Cycle Top Fet Current Limit vs Duty Cycle vs Temperature
5.50 5.0 5.25 4.9 5.00 4.8 4.75 4.7 4.50 (A) 4.6 I SW 4.25 4.5 4.00 4.4 TOP FET CURRENT LIMIT (A) 3.75 4.3 3.50 4.2 0 20 40 60 80 100 –50 –10 30 70 110 150 DUTY CYCLE (%) TEMPERATURE (°C) 8609 G14 8609 G15 Rev. I For more information www.analog.com 7 Document Outline Features Applications Typical Application Description Absolute Maximum Ratings Pin Configuration Order Information Typical Performance Characteristics Pin Functions Block Diagram Operation Applications Information Typical Applications Package Description Revision History Typical Application Related Parts
