Datasheet LT3477 (Analog Devices) - 4

LT3477
Typical perForMance characTerisTics Switch VCE(SAT) Switch Current Limit VREF
0.50 5 1.27 0.45 1.26 0.40 4 0.35 125°C 1.25 (V) 0.30 3 25°C T) 0.25 (V) 1.24 VIN = 25V V REF V CE(SA 0.20 –50°C CURRENT (A) 2 V 0.15 1.23 IN = 2.5V 0.10 1 1.22 0.05 0 0 1.21 0 0.5 1 1.5 2 2.5 3 –50 –25 0 25 50 75 100 125 –50 –25 0 25 50 75 100 125 150 SWITCH CURRENT (A) TEMPERATURE (°C) TEMPERATURE (°C) 3477 G01 3477 G02 3477 G03
SHDN Pin Turn-On Threshold SHDN Pin Current Quiescent Current
1.6 50 6 VC = 0.3V –50°C 40 5 1.4 30 25°C 4 THRESHOLD (V) PIN CURRENT (µA) 20 1.2 125°C SHDN SHDN 3 10 QUIESCENT CURRENT (mA) 1.0 0 2 –50 –25 0 25 50 75 100 125 0 5 10 15 20 25 –50 –25 0 25 50 75 100 125 150 TEMPERATURE (°C) VSHDN (V) TEMPERATURE (°C) 3477 G04 3477 G05 3477 G06
Soft-Start Pin Current Oscillator Frequency Feedback Amplifier Offset Voltage
20 2.0 4 R 3 T = 10kΩ 1.6 15 2 VC = 1V 1.2 R 1 T = 15kΩ (µA) 10 0 VC = 0.5V I SS RT = 20kΩ 0.8 –1 FREQUENCY (MHz) 5 OFFSET VOLTAGE (mV) –2 0.4 –3 0 0 –4 –50 –25 0 25 50 75 100 125 150 –50 –25 0 25 50 75 100 125 150 –50 –25 0 25 50 75 100 125 150 TEMPERATURE (°C) TEMPERATURE (°C) TEMPERATURE (°C) 3477 G07 3477 G08 3477 G09 3477fd 4 For more information www.linear.com/LT3477 Document Outline Description Typical Application Absolute Maximum Ratings Electrical Characteristics Typical Performance Characteristics Pin Functions Package Description Typical Application Related Parts