lt1085ct-pbf Linear Technology Corporation, lt1085ct-pbf Datasheet
lt1085ct-pbf
Related parts for lt1085ct-pbf
lt1085ct-pbf Summary of contents
Page 1
... Unlike PNP regulators, where up to 10% of the output current is wasted as quiescent current, the LT1083 quies- cent current flows into the load, increasing efficiency. 7.5A 5.0A , LT, LTM and LTM are registered trademarks of Linear Technology Corporation. 3.0A All other trademarks are the property of their respective owners 7.5A 121Ω ...
Page 2
... PRECO DITIO I G 100% thermal shutdown functional test ORDER PART TAB IS OUTPUT NUMBER OUT LT1084CT ADJ LT1084IT LT1085CT LT1085IT LT1083CK LT1083MK TAB LT1084CK IS OUTPUT LT1084MK LT1085CK LT1085MK *WITH PACKAGE SOLDERED TO 0.5IN OVER BACKSIDE GROUND PLANE OR INTERNAL POWER PLANE. θ JA DEPENDING ON MOUNTING TECHNIQUE ...
Page 3
ELECTRICAL CHARACTERISTICS temperature range, otherwise specifications are at T PARAMETER CONDITIONS Load Regulation (V IN 10mA ≤ 25°C (Notes ΔV Dropout Voltage REF Current Limit LT1083 ( LT1084 (V ...
Page 4
LT1083/LT1084/LT1085 W U TYPICAL PERFORMANCE CHARACTERISTICS LT1083 Dropout Voltage 2 INDICATES GUARANTEED TEST POINT –40°C ≤ T ≤ 150°C J 0°C ≤ T ≤ 125° 150° 25° –55° ...
Page 5
W U TYPICAL PERFORMANCE CHARACTERISTICS Minimum Operating Current 150° 25° –55° INPUT/OUTPUT ...
Page 6
... TANTALUM OUT 100 200 TIME (μs) 1083/4/5 ADJ G26 LT1085 Maximum Power Dissipation LT1085MK 30 20 LT1085CT 10 LT1085CK 100 110 120 130 140 150 3.0 CASE TEMPERATURE (° LIMITED BY MAXIMUM JUNCTION TEMPERATURE LT1085 Load Transient Response 0 0.2 ADJ = 1μ ...
Page 7
W BLOCK DIAGRAM THERMAL V ADJ U U APPLICATIONS INFORMATION The LT1083 family of three-terminal adjustable regulators is easy to use and has all the protection features that are expected in high performance voltage regulators. They are short-circuit protected, and ...
Page 8
LT1083/LT1084/LT1085 U U APPLICATIONS INFORMATION Normally, capacitor values on the order of 100μF are used in the output of many regulators to ensure good transient response with heavy load current changes. Output capaci- tance can be increased without limit and ...
Page 9
U U APPLICATIONS INFORMATION The problem occurs with a heavy output load when the input voltage is high and the output voltage is low, such as immediately after removal of a short. The load line for such a load may ...
Page 10
LT1083/LT1084/LT1085 U U APPLICATIONS INFORMATION Connected as shown not multiplied by the divider P ratio about 0.004Ω per foot using 16-gauge wire. P This translates to 4mV/ load current important to ...
Page 11
U TYPICAL APPLICATIONS T1 TRIAD C30B F-269U 20Ω 110VAC 20Ω C30B 1N4003 1N4003 1μF 560Ω 82k 15k 10k 1N4148 * 1% FILM RESISTOR L: DALE TO-5 TYPE T2: STANCOR 11Z-2003 GENERAL PURPOSE REGULATOR WITH SCR PREREGULATOR ...
Page 12
LT1083/LT1084/LT1085 U TYPICAL APPLICATIONS *C1 IMPROVES RIPPLE REJECTION. SHOULD BE < RIPPLE FREQUENCY LT1083 IN ADJ + 10μF RETURN 12 Paralleling Regulators 2 FEET #18 WIRE* IN LT1083 OUT ADJ ...
Page 13
U TYPICAL APPLICATIONS High Efficiency Regulator with Switching Preregulator V IN 28V 10k 1k 1mH IN LT1083 + ADJ MR1122 10,000μF 470Ω 1N914 28V 1M 4N28 10k + LT1011 10k – 28V 1N914 1.2V to 15V Adjustable Regulator V LT1083 ...
Page 14
LT1083/LT1084/LT1085 PACKAGE DESCRIPTION .760 – .775 .320 – .350 (19.30 – 19.69) (8.13 – 8.89) .420 – .480 (10.67 – 12.19) .060 .256 (1.524) (6.502) .060 .183 (1.524) (4.648) .075 (1.905) .300 (7.620) BOTTOM VIEW OF DD PAK HATCHED AREA ...
Page 15
... BSC 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 3-Lead Plastic TO-3P (Similar to TO-247) (LTC DWG # 05-08-1450) .620 – ...
Page 16
... LT1430 High Power Step-Down Switching Regulator TM LT1575 UltraFast Transient Response LDO Controller LT1573 UltraFast Transient Response LDO Controller UltraFast is a trademark of Linear Technology Corporation. Linear Technology Corporation 16 1630 McCarthy Blvd., Milpitas, CA 95035-7417 (408) 432-1900 FAX: (408) 434-0507 ● Automatic Light Control ...