LT1074IT Linear Technology, LT1074IT Datasheet
LT1074IT
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LT1074IT Summary of contents
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... A 7-pin TO-220 package is also available which allows current limit to be adjusted down to zero. In addition, full micropower shutdown can be programmed. See Application Note 44 for design details. A fixed 5V output, 2A version is also available. See LT1076-5. , LTC and LT are registered trademarks of Linear Technology Corporation USE MBR340 FOR LT1076 ...
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... V SW LT1076CK K PACKAGE 4-LEAD TO-3 METAL CAN LT1076HVCK = 2.5°C, θ = 35°C LT1076MK = 4°C, θ = 35°C LT1076HVMK LT1074CT FRONT VIEW LT1074HVCT LT1074IT GND LT1074HVIT LT1076CT 1 FB LT1076HVCT T PACKAGE LT1076IT 5-LEAD PLASTIC TO-220 LT1076HVIT STRAIGHT LEADS, ORDER FLOW 06 = 2.5°C, θ = 50°C 4° ...
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ELECTRICAL CHARACTERISTICS temperature range, otherwise specifications are at T PARAMETER CONDITIONS Switch “On” Voltage (Note 2) LT1074 LT1076 Switch “Off” Leakage LT1074 LT1076 Supply Current (Note 3) V 40V < Minimum Supply Voltage Normal Mode Startup Mode (Note ...
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LT1074/LT1076 ELECTRICAL CHARACTERISTICS Note 1: Absolute Maximum Ratings are those values beyond which the life of a device may be impaired. Note 2: To calculate maximum switch “on” voltage at currents between low and high conditions, a linear interpolation may ...
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W BLOCK DIAGRA DESCRIPTIO A switch cycle in the LT1074 is initiated by the oscillator setting the R/S latch. The pulse that sets the latch also locks out the switch via gate G1. The effective width of this pulse is ...
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LT1074/LT1076 W U TYPICAL PERFOR A CE CHARACTERISTICS V Pin Characteristics C 200 150 V ADJUSTED FOR 100 –50 SLOPE ≈ 400kΩ –100 ≤ –150 ...
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W U TYPICAL PERFOR A CE CHARACTERISTICS Supply Current (Shutdown) 300 250 200 150 100 INPUT VOLTAGE (V) LT1074•TPC13 Reference Shift with Ripple Voltage –10 TRI WAVE –20 ...
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LT1074/LT1076 DESCRIPTIO S V PIN IN The V pin is both the supply voltage for internal control IN circuitry and one end of the high current switch important, especially at low input voltages , that ...
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DESCRIPTIO S current is well controlled even when switch duty cycle must be extremely low. Theoretical switch “on” time for a buck converter in continuous mode is OUT • V ...
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LT1074/LT1076 DESCRIPTIO S µ 300 A µ SHUTDOWN – PIN C1 2.3V + – C2 0.3V + Figure 5. Shutdown Circuitry Undervoltage Lockout Undervoltage lockout point is set by R1 and R2 in Figure 6. ...
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DESCRIPTIO S I PIN LIM The I pin is used to reduce current limit below the LIM preset value of 6.5A. The equivalent circuit for this pin is shown in Figure 8. TO LIMIT V IN CIRCUIT ...
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LT1074/LT1076 DESCRIPTIO S µ X1.8 2.21V ALL CURRENTS SHOWN ARE AT NULL CONDITION mid frequencies V • • 2π • high frequencies ...
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U TYPICAL APPLICATIO † 20V TO 35V + C3 200 50V * PULSE ENGINEERING #PE±65282 ** MOTOROLA MBR2030CTL † IF INPUT VOLTAGE IS BELOW 20V, MAXIMUM OUTPUT CURRENT WILL BE REDUCED. SEE AN44 + * = 1% ...
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LT1074/LT1076 PACKAGE DESCRIPTIO 0.320 – 0.350 0.420 – 0.480 (10.67 – 12.19) 0.060 0.256 (1.524) (6.502) 0.060 0.183 (1.524) (4.648) 0.075 (1.905) 0.300 (7.620) BOTTOM VIEW OF DD PAK HATCHED AREA IS SOLDER PLATED COPPER HEAT SINK ...
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... 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 Package ...
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... AT THE SEATING PLANE T7 (TO-220) 0399 Up to 1.25A, SO-8 OUT Up to 4.25A, SO-8/DD OUT Up to 0.5A, SO-8 OUT Up to 50A, Current Mode OUT =1.2V, TSSOP-16E, SO8 Package µF LT/CPI 0202 1.5K REV D • PRINTED IN USA © LINEAR TECHNOLOGY CORPORATION 1994 sn1074 1074fds ...