LT1117CM#PBF Linear Technology, LT1117CM#PBF Datasheet
![IC REG LDO POS ADJ 800MA DDPAK-3](/photos/12/61/126135/161-3-dd_sml.jpg)
LT1117CM#PBF
Specifications of LT1117CM#PBF
Available stocks
Related parts for LT1117CM#PBF
LT1117CM#PBF Summary of contents
Page 1
... Battery Chargers 3.3V Linear Regulators L, LT, LTC, LTM, Linear Technology, OPTI-LOOP and the Linear logo are registered trademarks of Linear Technology Corporation. UltraFast is a trademark of Linear Technology Corporation. All other trademarks are the property of their respective owners. TYPICAL APPLICATION Active Terminator for SCSI-2 Bus LT1117-2 ...
Page 2
... LT1117IST#TRPBF LT1117CST-2.85#PBF LT1117CST-2.85#TRPBF LT1117IST-2.85#PBF LT1117IST-2.85#TRPBF LT1117CST-3.3#PBF LT1117CST-3.3#TRPBF LT1117IST-3.3#PBF LT1117IST-3.3#TRPBF LT1117CST-5#PBF LT1117CST-5#TRPBF LT1117IST-5#PBF LT1117IST-5#TRPBF LT1117CM#PBF LT1117CM#TRPBF LT1117CM-2.85#PBF LT1117CM-2.85#TRPBF LT1117CM-3.3#PBF LT1117CM-3.3#TRPBF LT1117CM-5#PBF LT1117CM-5#TRPBF 2 Operating JunctionTemperature Range C Grade .................................................. 0°C to 125°C I Grade ...............................................– 40°C to 125°C Storage Temperature Range ...................–65°C to 150°C Lead Temperature ....................(See Soldering Methods) ...
Page 3
ORDER INFORMATION LEAD BASED FINISH TAPE AND REEL LT1117CST LT1117CST#TR LT1117IST LT1117IST#TR LT1117CST-2.85 LT1117CST-2.85#TR LT1117IST-2.85 LT1117IST-2.85#TR LT1117CST-3.3 LT1117CST-3.3#TR LT1117IST-3.3 LT1117IST-3.3#TR LT1117CST-5 LT1117CST-5#TR LT1117IST-5 LT1117IST-5#TR LT1117CM LT1117CM#TR LT1117CM-2.85 LT1117CM-2.85#TR LT1117CM-3.3 LT1117CM-3.3#TR LT1117CM-5 LT1117CM-5#TR Consult LTC Marketing for parts specified with wider ...
Page 4
LT1117/LT1117-2.85 LT1117-3.3/LT1117-5 ELECTRICAL CHARACTERISTICS temperature range, otherwise specifications are at T PARAMETER Quiescent Current LT1117-2.85 LT1117-3.3 LT1117-5 Thermal Regulation Ripple Rejection Adjust Pin Current Adjust Pin Current Change Temperature Stability Long Term Stability RMS Output Noise Thermal Resistance Note 1: ...
Page 5
TYPICAL PERFORMANCE CHARACTERISTICS LT1117 Ripple Rejection 100 V ≤ RIPPLE 90 V ≤ 3V P-P RIPPLE 0.5V P – V ≥ OUT – V ≥ OUT) DROPOUT 30 20 ...
Page 6
LT1117/LT1117-2.85 LT1117-3.3/LT1117-5 BLOCK DIAGRAM GND – THERMAL LIMIT ADJ OUT FOR FIXED VOLTAGE DEVICE 1117 BD01 1117fd ...
Page 7
APPLICATIONS INFORMATION The LT1117 family of 3-terminal regulators are easy to use. They are protected against short circuit and thermal overloads. Thermal protection circuitry will shut down the regulator should the junction temperature exceed 165°C at the sense point. These ...
Page 8
LT1117/LT1117-2.85 LT1117-3.3/LT1117-5 APPLICATIONS INFORMATION Output Voltage The LT1117 develops a 1.25V reference voltage between the output and the adjust terminal (see Figure 2). By placing a resistor between these two terminals, a constant current is caused to flow through R1 ...
Page 9
APPLICATIONS INFORMATION Experiments have shown that the heat spreading copper layer does not need to be electrically connected to the tab of the device. The PC material can be very effective at transmitting heat between the pad area, attached to ...
Page 10
LT1117/LT1117-2.85 LT1117-3.3/LT1117-5 TYPICAL APPLICATIONS 1.2V to 10V Adjustable Regulator LT1117 V IN OUT IN R1 ADJ 121Ω + C1* 10μ NEEDED IF DEVICE IS FAR FROM FILTER CAPACITORS ( ) R2 † 1.25V 1 + ...
Page 11
TYPICAL APPLICATIONS Battery Charger LT1117 IF OUT 1.25V ADJ R1 V – 1.25V 1 + OUT IF = –R S ΔIF = Δ V OUT –R S Improving Ripple Rejection LT1117 V IN OUT IN + ...
Page 12
LT1117/LT1117-2.85 LT1117-3.3/LT1117-5 TYPICAL APPLICATIONS (HEAT SINK) Q1 2N6667 (DARLINGTON) + MDA201 + – 130VAC STANCOR TO 90VAC P-8685 (HEAT SINK) 2N6667 (DARLINGTON) + MDA201 + – FILM RESISTORS * = MOTOROLA MDA = PULSE ENGINEERING, INC. #PE-92106 L1 ...
Page 13
PACKAGE DESCRIPTION .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 IS SOLDER PLATED COPPER HEAT SINK .420 .100 RECOMMENDED SOLDER PAD LAYOUT NOTE: 1. DIMENSIONS IN INCH/(MILLIMETER) 2. DRAWING ...
Page 14
LT1117/LT1117-2.85 LT1117-3.3/LT1117-5 PACKAGE DESCRIPTION .264 – .287 (6.70 – 7.30) .130 – .146 (3.30 – 3.71) .0905 (2.30) BSC .071 (1.80) MAX 14 ST Package 3-Lead Plastic SOT-223 (Reference LTC DWG # 05-08-1630) .248 – .264 (6.30 – 6.71) .114 ...
Page 15
... Updated DD-Pak part markings in Order Information section and revised all other sections. 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 representa- tion that the interconnection of its circuits as described herein will not infringe on existing patent rights. ...
Page 16
... RMS 1.8V to 20V 1.2V to 19.5V, RMS IN OUT = V REF OUT(MIN 1.2V to 36V, RMS IN set; directly parallelable OUT , V : 1.2V to 36V, RMS IN set; directly parallelable OUT , Low I : 54μA, Fixed RMS Q LT 0410 REV D• PRINTED IN USA © LINEAR TECHNOLOGY CORPORATION 1993 = Q 1117fd ...