Datasheet LTM8040 (Analog Devices) - 2

LTM8040
ABSOLUTE MAXIMUM RATINGS PIN CONFIGURATION (Note 1)
VIN ..36V BIAS ..25V PWM LEDA BIAS + VIN ...51V BANK 1 BIAS LEDA, LPWR ...15V SHDN PWM ...10V ADJ ADJ ...6V GND BANK 2 RT RT ...3V GND SHDN ..36V SHDN Above V VIN LPWR IN ...6V BANK 3 Internal Operating Temperature (Note 2) ...–40°C to 125°C TJMAX = 125°C, θJA = 13°C/W, θJC = 4.4°C/W, WEIGHT = 1.73g Max Solder Temperature ... 245°C 66 LEAD (15mm × 9mm × 4.32mm) θJA DERIVED FROM 6.35cm × 6.35cm 4 LAYER PCB
ORDER INFORMATION LEAD FREE FINISH TRAY PART MARKING* PACKAGE DESCRIPTION TEMPERATURE RANGE (NOTE 3)
LTM8040EV#PBF LTM8040EV#PBF LTM8040V 66-Lead 15mm × 9mm × 4.32mm LGA Package 0°C to 125°C LTM8040IV#PBF LTM8040IV#PBF LTM8040V 66-Lead 15mm × 9mm × 4.32mm LGA Package –40°C to 125°C Consult LTC Marketing for parts specifi ed with wider operating temperature ranges. *The temperature grade is identifi ed by a label on the shipping container. Consult LTC Marketing for information on non-standard lead based fi nish parts. For more information on lead free part marking, go to: http://www.linear.com/leadfree/ This product is only offered in trays. For more information go to: http://www.linear.com/packaging/
ELECTRICAL CHARACTERISTICS The
l
denotes the specifi cations which apply over the full operating temperature range, otherwise specifi cations are at TA = 25°C. VIN = 12V, SHDN = 5V, VPWM = 5V, unless otherwise noted (Note 3). PARAMETER CONDITIONS MIN TYP MAX UNITS
Minimum Input Voltage l 3.5 4 V Input Quiescent Current Not Switching 2.6 4 mA SHDN Current SHDN = 0.3V 0.01 2 μA SHDN = 2.65V 10.3 μA LEDA Current ADJ Open 0.98 1 1.02 A l 0.965 1.035 A RADJ = 5.11k 0.49 0.5 0.51 A l 0.481 0.525 A ADJ Bias Current ADJ = 0V, Current Flows Out of Pin 245 μA ADJ Pull-up Resistor 5 5.11 5.22 kΩ Switching Frequency RT Open 470 500 530 kHz SHDN Threshold 2.65 V PWM Threshold VIH 1.2 V VIL 0.4 V 8040fa 2