lt3024ife-trpbf Linear Technology Corporation, lt3024ife-trpbf Datasheet
lt3024ife-trpbf
Related parts for lt3024ife-trpbf
lt3024ife-trpbf Summary of contents
Page 1
... DFN Packages APPLICATIONS n Cellular Phones n Pagers n Battery-Powered Systems n Frequency Synthesizers n Wireless Modems L, LT, LTC and LTM are registered trademarks of Linear Technology Corporation. All other trademarks are the property of their respective owners. TYPICAL APPLICATION 3.3V/2.5V Low Noise Regulators IN OUT1 V SHDN1 IN 3.7V TO 1μF SHDN2 ...
Page 2
... LT3024EFE LT3024EFE#TR LT3024IFE LT3024IFE#TR Consult LTC Marketing for parts specifi ed with wider operating temperature ranges. *The temperature grade is identifi label on the shipping container. For more information on lead free part marking, go to: For more information on tape and reel specifi cations, go to: ...
Page 3
ELECTRICAL CHARACTERISTICS temperature range, otherwise specifi cations are at T PARAMETER CONDITIONS Minimum Input Voltage Output 2, I (Notes 3, 11) Output 1, I ADJ1, ADJ2 Pin Voltage (Note 3, 4) Output 2, 2.3V < ...
Page 4
LT3024 ELECTRICAL CHARACTERISTICS temperature range, otherwise specifi cations are at T PARAMETER CONDITIONS Current Limit Output 2, V Output 1, V Input Reverse Leakage Current V = –20V Reverse Output Current (Notes 3,10 1.22V, V OUT ...
Page 5
TYPICAL PERFORMANCE CHARACTERISTICS Output 2 Typical Dropout Voltage 500 450 400 350 T = 125°C J 300 250 T = 25°C J 200 150 100 100 OUTPUT CURRENT ...
Page 6
LT3024 TYPICAL PERFORMANCE CHARACTERISTICS Quiescent Current (Per Output 25° 250k SHDN SHDN ...
Page 7
TYPICAL PERFORMANCE CHARACTERISTICS SHDN1 or SHDN2 Pin Input Current 1.0 0.9 0.8 0.7 0.6 0.5 0.4 0.3 0.2 0 SHDN PIN VOLTAGE (V) 3024 G17 Output 2 Current Limit ...
Page 8
LT3024 TYPICAL PERFORMANCE CHARACTERISTICS Reverse Output Current 1.22V OUT ADJ – 100 –25 0 TEMPERATURE (°C) 3024 G25 Output 2 Input Ripple ...
Page 9
TYPICAL PERFORMANCE CHARACTERISTICS Output 1 Minimum Input Voltage 2. 1.22V OUT 2. 500mA L 2.00 1. 1mA 1.50 L 1.25 1.00 0.75 0.50 0.25 0 –50 – 100 TEMPERATURE (°C) ...
Page 10
LT3024 TYPICAL PERFORMANCE CHARACTERISTICS Output 2 RMS Output Noise vs Load Current (10Hz to 100kHz) 160 C = 10μF OUT C = 0μF BYP 140 C = 0.01μF BYP 120 V SET FOR 5V OUT 100 OUT ...
Page 11
TYPICAL PERFORMANCE CHARACTERISTICS Output 2 Transient Response C = 0pF BYP V = 6V, V SET FOR 5V IN OUT 0 10μ 10μF OUT 0.1 0 –0.1 –0.2 100 400 800 TIME ...
Page 12
LT3024 PIN FUNCTIONS (DFN/TSSOP) GND (Pins 4, 13)/(Pins 16, 17): Ground. The Exposed Pad must be soldered to PCB ground for optimum thermal performance. ADJ1/ADJ2 (Pins 12/7)/(Pins 15/10): Adjust Pin. These are the input to the ...
Page 13
APPLICATIONS INFORMATION The LT3024 is a dual 100mA/500mA low dropout regulator with micropower quiescent current and shutdown. The device is capable of supplying 100mA from Output dropout voltage of 300mV. Output 1 delivers 500mA at a dropout ...
Page 14
LT3024 APPLICATIONS INFORMATION within 1% for the same load step. Both outputs exhibit this improvement in transient response (see Transient Reponse in Typical Performance Characteristics section). However, regulator start-up time is proportional to the size of the bypass capacitor, slowing ...
Page 15
APPLICATIONS INFORMATION 20 BOTH CAPACITORS ARE 16V, 1210 CASE SIZE, 10μF 0 X5R –20 –40 –60 Y5V –80 –100 BIAS VOLTAGE (V) Figure 4. Ceramic Capacitor DC Bias Characteristics Voltage and temperature coeffi ...
Page 16
LT3024 APPLICATIONS INFORMATION and its copper traces. Copper board stiffeners and plated through-holes can also be used to spread the heat gener- ated by power devices. The following tables list thermal resistance for several different board sizes and copper areas. ...
Page 17
APPLICATIONS INFORMATION V and GND pins and are thermally coupled, however, the IN two outputs of the LT3024 operate independently. They can be shut down independently and a fault condition on one output will not affect the other output electrically. ...
Page 18
LT3024 PACKAGE DESCRIPTION 3.60 ±0.05 2.20 ±0.05 1.70 ± 0.05 0.25 ± 0.05 RECOMMENDED SOLDER PAD PITCH AND DIMENSIONS APPLY SOLDER MASK TO AREAS THAT ARE NOT SOLDERED PIN 1 TOP MARK (NOTE 6) 0.200 REF NOTE: 1. DRAWING PROPOSED ...
Page 19
... DIMENSIONS ARE IN 3. DRAWING NOT TO SCALE 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. FE Package 16-Lead Plastic TSSOP (4 ...
Page 20
... OUT(MIN 2.1V to 20V, IN <1μA, DD, TO220, SOT-223, S8 Packages SD : –0.9V to –20V 3μA, ThinSOT Package SD : 1.8V to 20V, IN <1μA, MS10E, DFN Packages 40μA, I <1μA, MSE Package 0208 REV A • PRINTED IN USA © LINEAR TECHNOLOGY CORPORATION 2004 OUT(MIN) <1μA, <1μA, <1μA, 3024fa ...