Datasheet LT3042 (Analog Devices) - 7

LT3042
TYPICAL PERFORMANCE CHARACTERISTICS TJ = 25°C, unless otherwise noted. GND Pin Current GND Pin Current GND Pin Current
10 8 8 VIN = 5V VIN = 4.3V 9 RSET = 33.2kΩ 7 RSET = 33.2kΩ 7 RL = 16.5Ω 8 I 6 6 7 L = 200mA 6 5 5 IL = 150mA RL = 33Ω 5 4 4 4 RL = 66Ω I 3 3 L = 100mA 3 RL = 330Ω GND PIN CURRENT (mA) GND PIN CURRENT (mA) 2 GND PIN CURRENT (mA) 2 2 I R L = 1mA L = 3.3kΩ 1 1 1 RSET = 33.2kΩ 0 0 0 –75 –50 –25 0 25 50 75 100 125 150 0 25 50 75 100 125 150 175 200 0 1 2 3 4 5 6 7 8 9 10 TEMPERATURE (°C) OUTPUT CURRENT (mA) INPUT VOLTAGE (V) 3042 G16 3042 G17 3042 G18
Minimum Input Voltage EN/UV Turn-On Threshold EN/UV Pin Hysteresis
2.00 1.32 250 RISING UVLO 1.75 1.30 225 FALLING UVLO 1.50 1.28 200 1.25 1.26 VIN = 10V 1.00 175 1.24 VIN = 2V 0.75 VIN = 2V V 150 1.22 IN = 10V 0.50 INPUT UVLO THRESHOLD (V) TURN-ON THRESHOLD (V) EN/UV PIN HYSTERESIS (mV) 125 0.25 1.20 0 1.18 100 –75 –50 –25 0 25 50 75 100 125 150 –75 –50 –25 0 25 50 75 100 125 150 –75 –50 –25 0 25 50 75 100 125 150 TEMPERATURE (°C) TEMPERATURE (°C) TEMPERATURE (°C) 3042 G19 3042 G20 3042 G21
Enable Pin Input Current Enable Pin Current Negative Enable Pin Current
5.0 10 0 VIN = 20V VIN = 2V 4.5 9 –10 4.0 8 VIN = 2V –20 3.5 7 –30 3.0 6 –40 2.5 5 –50 2.0 4 VIN = 20V –60 1.5 3 –70 EN/UV PIN CURRENT (µA) EN/UV PIN CURRENT (µA) EN/UV PIN CURRENT (µA) 1.0 150°C 2 –80 150°C 125°C 125°C 0.5 25°C 1 –90 25°C –55°C –55°C 0 0 –100 0 2 4 6 8 10 12 14 16 18 20 0 2 4 6 8 10 12 14 16 18 20 –20 –18 –16 –14 –12 –10 –8 –6 –4 –2 0 ENABLE PIN VOLTAGE (V) ENABLE PIN VOLTAGE (V) ENABLE PIN VOLTAGE (V) 3042 G22 3042 G23 3042 G24 3042fb For more information www.linear.com/LT3042 7 Document Outline Features Applications Typical Application Description Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagram Applications Information Typical Applications Package Description Revision History Typical Application Related Parts