LTC4441IS8-1 Linear Technology, LTC4441IS8-1 Datasheet
LTC4441IS8-1
Available stocks
Related parts for LTC4441IS8-1
LTC4441IS8-1 Summary of contents
Page 1
... The LTC4441 is available in a thermally enhanced 10-lead MSOP package. The LTC4441-1 is the SO-8 version with- out the blanking function. , LTC and LT are registered trademarks of Linear Technology Corporation. All other trademarks are the property of their respective owners. Protected by U.S. Patents including 6677210. ...
Page 2
... Falling Edge Rising-Falling Edge V = ±10V EN/SHDN Falling Edge Rising Edge Falling Edge Rising-Falling Edge ORDER PART TOP VIEW NUMBER 8 OUT LTC4441ES8-1 7 DRV CC LTC4441IS8 PART FB 5 MARKING S8 PACKAGE 8-LEAD PLASTIC SO 44411 = 125°C, θ = 150°C/W JA 4441I1 MIN TYP MAX ● ● ...
Page 3
ELECTRICAL CHARACTERISTICS temperature range, otherwise specifications are at T SYMBOL PARAMETER Output R Driver Output Pull-Down Resistance ONL I Driver Output Peak Pull-Up Current PU I Driver Output Peak Pull-Down Current PD R BLANK Pin Pull-Down Resistance ON(BLANK) V RBLANK ...
Page 4
LTC4441/LTC4441 TYPICAL PERFOR A CE CHARACTERISTICS FB Pin UVLO Threshold vs Temperature 1. 7.5V IN 1.16 1.12 1.08 RISING EDGE 1.04 1.00 0.96 FALLING EDGE 0.92 0.88 0.84 – 100 125 –50 25 ...
Page 5
W U TYPICAL PERFOR A CE CHARACTERISTICS PLH PHL LOAD 100 T = 25° DRV = PLH PHL ...
Page 6
LTC4441/LTC4441 TYPICAL PERFOR A CE CHARACTERISTICS VIN 25° 4.7nF LOAD 40 35 DRV 100 200 300 400 500 ...
Page 7
W BLOCK DIAGRA INB EN/SHDN SGND U U APPLICATIO S I FOR ATIO Overview Power MOSFETs generally account for the majority of power lost in a converter important to choose not only the type ...
Page 8
LTC4441/LTC4441 APPLICATIO S I FOR ATIO V IN – 1.21V R1 330k REG ENABLE UVLO DRIVER 1.09V DRIVER Figure 1. DRV Regulator CC stability; the value of R2 can be varied to achieve the required ...
Page 9
U U APPLICATIO S I FOR ATIO inductor or resistor). The slew rate of the drain voltage causes current to flow to the MOSFET’s gate through its gate-to-drain capacitance. If the MOSFET driver does not have sufficient sink current capability ...
Page 10
LTC4441/LTC4441 APPLICATIO S I FOR ATIO IN OUT POWER MOSFET’s CURRENT POWER MOSFET’s SOURCE TERMINAL MB GATE + BLANK/SENSE BLANKING TIME Figure 4. Blanking Waveforms signal designed to turn on and turn off at a controlled ...
Page 11
... LEAD COPLANARITY (BOTTOM OF LEADS AFTER FORMING) SHALL BE 0.102mm (.004") MAX Information furnished by Linear Technology Corporation is believed to be accurate and reliable. However, no responsibility is assumed for its use. Linear Technology Corporation makes no represen- tation that the interconnection of its circuits as described herein will not infringe on existing patent rights. ...
Page 12
... NOTE .004 – .010 (0.101 – 0.254) .050 (1.270) BSC SO8 0303 = 200ms 28ms ON OFF = 95ms 45ms ON OFF Range: 4.5V to 12V CC Range 80V DC, 100V Transient IN LT/TP 1104 1K • PRINTED IN THE USA © LINEAR TECHNOLOGY CORPORATION 2004 44411f ...