Datasheet LTC7803 (Analog Devices) - 7
| Manufacturer | Analog Devices |
| Description | 40V Low IQ, 3MHz Synchronous Step-Down Controller with Spread Spectrum |
| Pages / Page | 36 / 7 — TYPICAL PERFORMANCE CHARACTERISTICS. Soft-Start Pull-Up Current. … |
| File Format / Size | PDF / 1.6 Mb |
| Document Language | English |
TYPICAL PERFORMANCE CHARACTERISTICS. Soft-Start Pull-Up Current. Soft–Start Pull–up Current. Shutdown Current. vs Temperature
Model Line for this Datasheet
- LTC7803EMSE#PBF LTC7803EMSE#TRPBF LTC7803EMSE#WPBF LTC7803EMSE#WTRPBF LTC7803EUD#PBF LTC7803EUD#TRPBF LTC7803EUD#WPBF LTC7803EUD#WTRPBF LTC7803HMSE#PBF LTC7803HMSE#TRPBF LTC7803HMSE#WPBF LTC7803HMSE#WTRPBF LTC7803HUD#PBF LTC7803HUD#TRPBF LTC7803HUD#WPBF LTC7803HUD#WTRPBF LTC7803IMSE#PBF LTC7803IMSE#TRPBF LTC7803IMSE#WPBF LTC7803IMSE#WTRPBF LTC7803IUD#PBF LTC7803IUD#TRPBF LTC7803IUD#WPBF LTC7803IUD#WTRPBF LTC7803JMSE#PBF LTC7803JMSE#TRPBF LTC7803JMSE#WPBF LTC7803JMSE#WTRPBF LTC7803JUD#PBF LTC7803JUD#TRPBF LTC7803JUD#WPBF LTC7803JUD#WTRPBF
Text Version of Document
LTC7803
TYPICAL PERFORMANCE CHARACTERISTICS Soft-Start Pull-Up Current Soft–Start Pull–up Current Shutdown Current vs Temperature Shutdown Current vs Temperature Shutdown Current vs Input V vs Input Voltage oltage
15.0 10 3.0 VIN = VBIAS 14.5 9 2.5 14.0 8 13.5 7 2.0 13.0 6 12.5 5 1.5 T CURRENT (µA) AR 12.0 4 1.0 T–ST 11.5 3 SOF 11.0 SHUTDOWN CURRENT (µA) 2 SHUTDOWN CURRENT (µA) 0.5 10.5 1 10.0 0 0 –55 –25 5 35 65 95 125 155 –55 –25 5 35 65 95 125 155 0 5 10 15 20 25 30 35 40 TEMPRATURE (°C) TEMPRATURE (°C) INPUT VOLTAGE (V) 7803 G10 7803 G11 7803 G12
RUN Pin Threshold Undervoltage Lockout Threshold Undervoltage Lockout Threshold Quiescent Current vs Temperature Quiescent Current vs T RUN Pin Thresholds vs T vs Temperature emperature vs Temperature vs T
50 1.30 5.0 45 4.8 40 1.25 4.6 35 RUN RISING 4.4 INTV 1.20 CC RISING 30 4.2 TAGE (v) TAGE (V) 25 1.15 4.0 VOL 20 RUN FALLING 3.8 V CC INTVCC FALLING 15 1.10 RUN PIN VOL INT 3.6 QUIESCENT CURRENT (µA) 10 3.4 1.05 5 3.2 0 1.00 3.0 –55 –25 5 35 65 95 125 155 –55 –25 5 35 65 95 125 155 –55 25 5 35 65 95 125 155 TEMPRATURE (°C) TEMPRATURE (°C) TEMPERATURE (°C) 7803 G13 7804 G14 7803 G15
INTVCC and EXTVCC INTV INT CC V Line Regulation INTV CC Line Regulation INT CC V Line Regulation INTV CC Line Regulation CC and EXTV vs Load Current CC vs Load Current
5.3 5.3 5.3 NO LOAD NO LOAD 5.2 5.2 5.2 EXTVCC = 0V 5.1 5.1 5.1 5.0 EXTVCC = 8.5V 4.9 5.0 5.0 4.8 TAGE (V) TAGE (V) TAGE (V) 4.7 4.9 4.9 VOL VOL VOL 4.6 V CC 4.8 V CC 4.8 V CC 4.5 INT INT INT 4.4 EXTVCC = 5V 4.7 4.7 4.3 4.6 4.6 4.2 4.1 VBIAS = 12V 4.5 4.5 4.0 0 5 10 15 20 25 30 35 40 4.50 4.75 5 5.25 5.50 5.75 6 0 10 20 30 40 50 60 70 80 INPUT VOLTAGE (V) INPUT VOLTAGE (V) LOAD CURRENT (mA) 7803 G16 7803 G17 7803 G18 Rev 0 For more information www.analog.com 7 Document Outline Features Applications Typical Application Description Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Typical Performance Characteristics Pin Functions Functional Diagram Operation Applications Information Package Description Typical Application Related Parts
TYPICAL PERFORMANCE CHARACTERISTICS Soft-Start Pull-Up Current Soft–Start Pull–up Current Shutdown Current vs Temperature Shutdown Current vs Temperature Shutdown Current vs Input V vs Input Voltage oltage
15.0 10 3.0 VIN = VBIAS 14.5 9 2.5 14.0 8 13.5 7 2.0 13.0 6 12.5 5 1.5 T CURRENT (µA) AR 12.0 4 1.0 T–ST 11.5 3 SOF 11.0 SHUTDOWN CURRENT (µA) 2 SHUTDOWN CURRENT (µA) 0.5 10.5 1 10.0 0 0 –55 –25 5 35 65 95 125 155 –55 –25 5 35 65 95 125 155 0 5 10 15 20 25 30 35 40 TEMPRATURE (°C) TEMPRATURE (°C) INPUT VOLTAGE (V) 7803 G10 7803 G11 7803 G12
RUN Pin Threshold Undervoltage Lockout Threshold Undervoltage Lockout Threshold Quiescent Current vs Temperature Quiescent Current vs T RUN Pin Thresholds vs T vs Temperature emperature vs Temperature vs T
50 1.30 5.0 45 4.8 40 1.25 4.6 35 RUN RISING 4.4 INTV 1.20 CC RISING 30 4.2 TAGE (v) TAGE (V) 25 1.15 4.0 VOL 20 RUN FALLING 3.8 V CC INTVCC FALLING 15 1.10 RUN PIN VOL INT 3.6 QUIESCENT CURRENT (µA) 10 3.4 1.05 5 3.2 0 1.00 3.0 –55 –25 5 35 65 95 125 155 –55 –25 5 35 65 95 125 155 –55 25 5 35 65 95 125 155 TEMPRATURE (°C) TEMPRATURE (°C) TEMPERATURE (°C) 7803 G13 7804 G14 7803 G15
INTVCC and EXTVCC INTV INT CC V Line Regulation INTV CC Line Regulation INT CC V Line Regulation INTV CC Line Regulation CC and EXTV vs Load Current CC vs Load Current
5.3 5.3 5.3 NO LOAD NO LOAD 5.2 5.2 5.2 EXTVCC = 0V 5.1 5.1 5.1 5.0 EXTVCC = 8.5V 4.9 5.0 5.0 4.8 TAGE (V) TAGE (V) TAGE (V) 4.7 4.9 4.9 VOL VOL VOL 4.6 V CC 4.8 V CC 4.8 V CC 4.5 INT INT INT 4.4 EXTVCC = 5V 4.7 4.7 4.3 4.6 4.6 4.2 4.1 VBIAS = 12V 4.5 4.5 4.0 0 5 10 15 20 25 30 35 40 4.50 4.75 5 5.25 5.50 5.75 6 0 10 20 30 40 50 60 70 80 INPUT VOLTAGE (V) INPUT VOLTAGE (V) LOAD CURRENT (mA) 7803 G16 7803 G17 7803 G18 Rev 0 For more information www.analog.com 7 Document Outline Features Applications Typical Application Description Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Typical Performance Characteristics Pin Functions Functional Diagram Operation Applications Information Package Description Typical Application Related Parts
