Datasheet LTC1735 (Analog Devices) - 5
| Manufacturer | Analog Devices |
| Description | High Efficiency Synchronous Step-Down Switching Regulator |
| Pages / Page | 32 / 5 — TYPICAL PERFOR A CE CHARACTERISTICS. Input and Shutdown Currents. EXTVCC … |
| File Format / Size | PDF / 415 Kb |
| Document Language | English |
TYPICAL PERFOR A CE CHARACTERISTICS. Input and Shutdown Currents. EXTVCC Switch Drop. vs Input Voltage. INTVCC Line Regulation
Model Line for this Datasheet
- LTC1735CF#PBF LTC1735CF#PBF LTC1735CF#TRPBF LTC1735CF#TRPBF LTC1735CGN#PBF LTC1735CGN#PBF LTC1735CGN#TRPBF LTC1735CGN#TRPBF LTC1735CS#PBF LTC1735CS#PBF LTC1735CS#TRPBF LTC1735CS#TRPBF LTC1735EGN#PBF LTC1735EGN#PBF LTC1735EGN#TRPBF LTC1735EGN#TRPBF LTC1735IF#PBF LTC1735IF#PBF LTC1735IF#TRPBF LTC1735IF#TRPBF LTC1735IGN#PBF LTC1735IGN#PBF LTC1735IGN#TRPBF LTC1735IGN#TRPBF LTC1735IS#PBF LTC1735IS#PBF LTC1735IS#TRPBF LTC1735IS#TRPBF
Text Version of Document
LTC1735
W U TYPICAL PERFOR A CE CHARACTERISTICS Input and Shutdown Currents EXTVCC Switch Drop vs Input Voltage INTVCC Line Regulation vs INTVCC Load Current
500 100 6 500 1mA LOAD EXTVCC OPEN SHUTDOWN CURRENT ( 5 400 80 400 µA) 4 (mV) 300 60 CC 300 3 VOLTAGE (V) – INTV 200 40 CC CC 200 2 INPUT CURRENT ( µ INTV SHUTDOWN A) EXTV 100 20 100 1 EXTVCC = 5V 0 0 0 0 0 5 10 15 20 25 30 35 0 5 10 15 20 25 30 35 0 10 20 30 40 50 INPUT VOLTAGE (V) INPUT VOLTAGE (V) INTVCC LOAD CURRENT (mA) 1735 G07 1735 G08 1735 G09
Maximum Current Sense Threshold vs Normalized Output Voltage Maximum Current Sense Threshold Maximum Current Sense Threshold (Foldback) vs VRUN/SS vs Sense Common Mode Voltage
80 80 80 VSENSE(CM) = 1.6V 70 76 60 60 50 72 40 40 30 68 20 20 64 10 MAXIMUM CURRENT SENSE THRESHOLD (mV) 0 MAXIMUM CURRENT SENSE THRESHOLD (mV) 0 MAXIMUM CURRENT SENSE THRESHOLD (mV) 60 0 25 50 75 100 0 1 2 3 4 5 6 0 1 2 3 4 5 NORMALIZED OUTPUT VOLTAGE (%) VRUN/SS (V) COMMON MODE VOLTAGE (V) 1735 G10 1735 G11 1735 G12
Maximum Current Sense Threshold Maximum Current Sense Threshold vs ITH Voltage vs Temperature VITH vs VRUN/SS
90 80 2.5 V V 80 SENSE(CM) = 1.6V OSENSE = 0.7V 70 2.0 60 75 50 40 1.5 (V) 30 70 ITH 20 V 1.0 10 0 65 –10 0.5 –20 MAXIMUM CURRENT SENSE THRESHOLD (mV) –30 MAXIMUM CURRENT SENSE THRESHOLD (mV) 60 0 0 0.5 1 1.5 2 2.5 –40 –15 10 35 60 85 110 135 0 1 2 3 4 5 6 VITH (V) TEMPERATURE (°C) VRUN/SS (V) 1735 G13 1735 G18 1735 G15 1735fc 5
W U TYPICAL PERFOR A CE CHARACTERISTICS Input and Shutdown Currents EXTVCC Switch Drop vs Input Voltage INTVCC Line Regulation vs INTVCC Load Current
500 100 6 500 1mA LOAD EXTVCC OPEN SHUTDOWN CURRENT ( 5 400 80 400 µA) 4 (mV) 300 60 CC 300 3 VOLTAGE (V) – INTV 200 40 CC CC 200 2 INPUT CURRENT ( µ INTV SHUTDOWN A) EXTV 100 20 100 1 EXTVCC = 5V 0 0 0 0 0 5 10 15 20 25 30 35 0 5 10 15 20 25 30 35 0 10 20 30 40 50 INPUT VOLTAGE (V) INPUT VOLTAGE (V) INTVCC LOAD CURRENT (mA) 1735 G07 1735 G08 1735 G09
Maximum Current Sense Threshold vs Normalized Output Voltage Maximum Current Sense Threshold Maximum Current Sense Threshold (Foldback) vs VRUN/SS vs Sense Common Mode Voltage
80 80 80 VSENSE(CM) = 1.6V 70 76 60 60 50 72 40 40 30 68 20 20 64 10 MAXIMUM CURRENT SENSE THRESHOLD (mV) 0 MAXIMUM CURRENT SENSE THRESHOLD (mV) 0 MAXIMUM CURRENT SENSE THRESHOLD (mV) 60 0 25 50 75 100 0 1 2 3 4 5 6 0 1 2 3 4 5 NORMALIZED OUTPUT VOLTAGE (%) VRUN/SS (V) COMMON MODE VOLTAGE (V) 1735 G10 1735 G11 1735 G12
Maximum Current Sense Threshold Maximum Current Sense Threshold vs ITH Voltage vs Temperature VITH vs VRUN/SS
90 80 2.5 V V 80 SENSE(CM) = 1.6V OSENSE = 0.7V 70 2.0 60 75 50 40 1.5 (V) 30 70 ITH 20 V 1.0 10 0 65 –10 0.5 –20 MAXIMUM CURRENT SENSE THRESHOLD (mV) –30 MAXIMUM CURRENT SENSE THRESHOLD (mV) 60 0 0 0.5 1 1.5 2 2.5 –40 –15 10 35 60 85 110 135 0 1 2 3 4 5 6 VITH (V) TEMPERATURE (°C) VRUN/SS (V) 1735 G13 1735 G18 1735 G15 1735fc 5
