Datasheet LTC3372 (Analog Devices) - 4

LTC3372
ORDER INFORMATION LEAD FREE FINISH TAPE AND REEL PART MARKING* PACKAGE DESCRIPTION TEMPERATURE RANGE
LTC3372EUK#PBF LTC3372EUK#TRPBF LTC3372UK 48-Lead (7mm × 7mm) Plastic QFN –40°C to 125°C LTC3372IUK#PBF LTC3372IUK#TRPBF LTC3372UK 48-Lead (7mm × 7mm) Plastic QFN –40°C to 125°C LTC3372HUK#PBF LTC3372HUK#TRPBF LTC3372UK 48-Lead (7mm × 7mm) Plastic QFN –40°C to 150°C Contact the factory for parts specified with wider operating temperature ranges. *The temperature grade is identified by a label on the shipping container. Tape and reel specifications. Some packages are available in 500 unit reels through designated sales channels with #TRMPBF suffix.
ELECTRICAL CHARACTERISTICS The
l
denotes the specifications which apply over the specified operating junction temperature range, otherwise specifications are at TA = 25°C (Note 2), VIN = 12V, VRUN = 5V, VOUT = VINA-H = 3.3V unless otherwise noted. SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
VIN VIN Pin Operating Voltage Range 4.5 60 V IQ (Forced No-Load VIN Pin DC Current PLL/MODE = INTVCC or INTVCC/2 VOUTPRG = 7 µA Continuous/ No-Load VOUT/EXTVCC Pin + SENSE– Pin Run = VIN INTVCC 1450 µA Pulse- DC Current EN1-4 = GND (5V VOUT) Skipping Mode) No-Load VIN Pin DC Current VOUTPRG = 1300 µA No-Load VOUT/EXTVCC Pin + SENSE– Pin GND 130 µA DC Current (3.3V VOUT) IQ (Burst No-Load VIN Pin DC Current PLL/MODE = GND VOUTPRG = l 4 10 µA Mode) No-Load VOUT/EXTVCC Pin DC Current (Burst Mode) INTVCC HV Controller On Only (5V VOUT) l 20 46 µA HV Controller and One LV Regulator On V 52 74 µA Additional I IN = 12V, VINA-H = VOUT (LV Q, per LV Regulator On Regulators Powered from HV +26 +39 µA Additional IQ, Watchdog On (Float CT Pin) Regulator’s Output), No Load on +7 +12 µA Additional IQ, TEMP On (Float TEMP Pin) V +15 µA No-Load SENSE– Pin DC Current OUT or VOUT1-4. l 0.5 2 µA No-Load VIN Pin DC Current CT = TEMP = INTV V CC (Watchdog OUTPRG = HV Controller On Only and TEMP Monitor Off, Unless GND l 22 42 µA HV Controller and LV Regulator On Otherwise Specified) (3.3V VOUT) 23 33 µA Additional IQ, Watchdog On (Float CT Pin) +1 +4.2 µA Additional IQ, TEMP On (Float TEMP Pin) +2 µA No-Load VOUT/EXTVCC Pin DC Current HV Controller On Only l 4 8.5 µA HV Controller and One LV Regulator On 29 39 µA Additional IQ, per LV Regulator On +23 +33 µA Additional IQ, Watchdog On (Float CT Pin) +6 +8 µA Additional IQ, TEMP On (Float TEMP Pin) +13 µA IQ Total No-Load Input Supply Current PLL/MODE = GND VOUTPRG = (Note 4) HV Controller On Only INTVCC l 15 35 µA (Burst HV Controller and One LV Regulator On VIN = 12V, VINA-H = VOUT (LV (5V VOUT) 31 45 µA Mode) Additional IQ, per LV Regulator On Regulators Powered from HV +14 +20 µA Additional IQ, Watchdog On (Float CT Pin) Regulator’s Output), No Load on +4 +6 µA Additional IQ, TEMP On (Float TEMP Pin) VOUT or VOUT1-4 +8 µA Total No-Load Input Supply Current VOUTPRG = HV Controller On Only CT = TEMP = INTV GND l 23 46 µA CC (Watchdog HV Controller and One LV Regulator On and TEMP Monitor Off, unless (3.3V VOUT) 33 46 µA Additional IQ, per LV Regulator On otherwise specified) +9 +12 µA Additional IQ, Watchdog On (Float CT Pin) +3 +7 µA Additional IQ, TEMP On (Float TEMP Pin) +7 µA ISD VIN Pin Current in Shutdown RUN = EN1-4 = GND 3.5 8 μA Rev. A 4 For more information www.analog.com Document Outline Features Applications Typical Application Description Absolute Maximum Ratings Order Information Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagram Operation Low Voltage Regulators Applications Information High Voltage Buck Controller Low Voltage Buck Regulators Printed Circuit Board PCB Layout Considerations Typical Applications Package Description Revision History Typical Application Related Parts