3110(A) SGM3110 MicroPower Regulated Charge Pump FEATURES GENERAL DESCRIPTION PIN CONFIGURATION (TOP VIEW) APPLICATIONS TYPICAL APPLICATION
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1 GENERAL DESCRIPTION The SGM30 is a MicroPower switched capacitor voltage converter that delivers a regulated output. No external inductor is required for operation. The SGM30 can deliver up to 00mA to the voltage regulated output. It features very low quiescent current and high efficiency over a large portion of its load range, making this device ideal for battery-powered applications. Furthermore, the combination of few external components and small package size keeps the total converter board area to a minimum in space-restricted applications. The SGM30 uses a pulse skipping technique to provide a regulated output from a varying input supply. The SGM30 contains a thermal management circuit to protect the device under continuous output short-circuit conditions. The SGM30 has lead (Pb) free SOT23-6 package and is rated over the -40 C to +85 C temperature range. APPLICATIONS Cellular Phones Digital Cameras Handheld Electronics LED/Display Backlight Driver LEDs for Camera Flash Portable Communication Devices MP3 Players GPS Receivers PDAs FEATURES Step-Up oltage Converter Input oltage Range: SGM30-5.0: 2.7 to 5.0 SGM30-4.5: 2.7 to 4.5 MicroPower Consumption: 60µA Fixed 5, 4.5 ± 4% Output Peak Current 250mA for 00ms High Frequency 750kHz Operation Logic-Controlled Shutdown Short-Circuit/Over-Temperature Protection Lead (Pb) Free SOT23-6 Package PIN CONFIGURATION (TOP IEW) OUT GND SHDN 2 SGM30 30(A) 6 C+ 5 IN 3 4 C- SOT23-6 OUT C+ μf TYPICAL APPLICATION OUT C OUT = 0μF GND IN IN C IN = 0μF ON/OFF SHDN C- RE. A
2 PACKAGE/ORDERING INFORMATION ORDER NUMBER PACKAGE DESCRIPTION PACKAGE OPTION MARKING INFORMATION SGM30-5.0YN6/TR SOT23-6 Tape and Reel, SGM30-4.5YN6/TR SOT23-6 Tape and Reel, A ABSOLUTE MAXIMUM RATINGS IN to GND to 6 OUT to GND to 6 SHDN to GND to 6 Storage Temperature Range to +50 Junction Temperature...60 Operating Temperature Range to +85 Power Dissipation, P T A = 25 SOT W Package Thermal Resistance SOT23-6, θ JA /W Lead Temperature Range (Soldering 0 sec) ESD Susceptibility HBM MM NOTES:. Stresses above those listed under Absolute Maximum Ratings may cause permanent damage to the device. This is a stress rating only; functional operation of the device at these or any other conditions above those indicated in the operational section of this specification is not implied. Exposure to absolute maximum rating conditions for extended periods may affect device reliability. CAUTION This integrated circuit can be damaged by ESD if you don t pay attention to ESD protection. SGMICRO recommends that all integrated circuits be handled with appropriate precautions. Failure to observe proper handling and installation procedures can cause damage. ESD damage can range from subtle performance degradation to complete device failure. Precision integrated circuits may be more susceptible to damage because very small parametric changes could cause the device not to meet its published specifications. PIN DESCRIPTION NAME FUNCTION OUT Regulated output pin. GND Ground SHDN Shutdown input. Logic low signal disables the converter. C- Flying capacitor negative terminal. IN Input supply pin. C+ Flying capacitor positive terminal. 2
3 ELECTRICAL CHARACTERISTICS (T A = -40 C to +85 C, unless otherwise noted. Typical values are at T A = 25 C, C FLY = µf, C IN = 0µF, C OUT = 0µF). PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS SGM Input oltage Range IN OUT = OUT Output oltage OUT 2.7 < IN < 5, I OUT 50mA < IN < 5, I OUT 00mA Quiescent Power Supply Current I Q 2.7 < IN < 5, I OUT = 0mA, SHDN= IN µa Shutdown Supply Current Ripple oltage I SHDN RIPPLE 2.7 < IN < 3.6, I OUT = 0mA, SHDN = < IN < 5, I OUT = 0mA, SHDN = 0 IN = 2.7, I OUT = 50mA 5 IN = 3, I OUT = 00mA 88 Efficiency η IN = 2.7, I OUT = 50mA 9 % Frequency f OSC Oscillator Free Running 750 khz SHDN Input Threshold High IH.4 SHDN Input Threshold Low IL 0.4 SHDNInput High Current I IH SHDN= IN - + µa SHDNInput Low Current I IL SHDN = GND - + µa Turn-On Time T ON IN = 3, I OUT = 0mA 0.3 ms SGM Input oltage Range IN OUT = OUT Output oltage OUT 2.7 < IN < 4.5, I OUT 50mA < IN < 4.5, I OUT 00mA Quiescent Power Supply Current I Q 2.7 < IN < 4.5, I OUT = 0mA, SHDN= IN µa Shutdown Supply Current Ripple oltage I SHDN RIPPLE 2.7 < IN < 3.6, I OUT = 0mA, SHDN = < IN < 4.5, I OUT = 0mA, SHDN = 0 IN = 2.7, I OUT = 50mA 5 IN = 3, I OUT = 00mA 88 Efficiency η IN = 2.7, I OUT = 50mA 83 % Frequency f OSC Oscillator Free Running 750 khz SHDN Input Threshold High IH.4 SHDN Input Threshold Low IL 0.4 SHDNInput High Current I IH SHDN= IN - + µa SHDNInput Low Current I IL SHDN = GND - + µa Turn-On Time T ON IN = 3, I OUT = 0mA 0.3 ms Specifications subject to changes without notice. µa m P-P µa m P-P 3
4 TYPICAL PERFORMANCE CHARACTERISTICS At S = +5.0, T A = +25, IN = 3, C IN = C OUT = 0µF, C FLY = µf, unless otherwise noted. Startup Time with 50mA Load Startup Time with 00mA Load OUT (div/) SHDN(/div) OUT (div/) SHDN (/div) Time (00µs/div) Time (00µs/div) Output Ripple with I OUT = 50mA Output Ripple with I OUT = 00mA OUT AC Coupled(0m/div) IN = 2.7 OUT AC Coupled(50m/div) IN = 3.0 Time (0.5µs/div) Time (2µs/div) Load Transient Response for 50mA Load Transient Response for 00mA I OUT 0mA to 50mA (20mA/div) I OUT 0mA to 00mA (50mA/div) IN = 3.0 IN = 2.7 OUT AC Coupled (50m/div) OUT AC Coupled (80m/div) Time (50µs/div) Time (50µs/div) 4
5 TYPICAL PERFORMANCE CHARACTERISTICS At S = +5.0, T A = +25, IN = 3, C IN = C OUT = 0µF, C FLY = µf, unless otherwise noted. Supply Current (µa) Supply Current vs. SHDN IN = 2.8 IN = 3.3 IN = 5.5 I OUT = 0µA Supply Current (µa) Supply Current vs. Supply oltage I OUT = 0µA C FLY = µf SHDN = IN SHDN Control oltage() Supply oltage() 5.2 Output oltage vs. Output Current SHDN Threshold vs. Input oltage Output oltage () IN = 2.7 IN = 3.6 IN = 3.3 IN = 3.0 SHDN Threshold () IH IL Output Current (ma) Input oltage () SHDN Input Threshold (high)() SHDN Input Threshold (high) vs. Input oltage Input oltage () SHDN Input Threshold (low)() SHDN Input Threshold (low) vs. Input oltage Input oltage () 5
6 TYPICAL PERFORMANCE CHARACTERISTICS At S = +5.0, T A = +25, IN = 3, C IN = C OUT = 0µF, C FLY = µf, unless otherwise noted. Normalized Output oltage (%) Normalized Output oltage vs. Temperature I OUT = 25mA Supply oltage() Efficiency (%) mA Efficiency vs. Supply oltage 25mA 50mA Supply oltage() 60 Oscillator Frequency vs. Supply oltage Oscillator Frequency (KHz) Supply oltage() 6
7 PACKAGE OUTLINE DIMENSIONS SOT23-6 D e e L 0 θ 0.20 Dimensions In Millimeters Dimensions In Inches Symbol Min Max Min Max A A A E E b C D b L C E E A e 0.950TYP 0.037TYP e A2 A L 0.700REF 0.028REF L θ /2008 RE. A SGMICRO is dedicated to provide high quality and high performance analog IC products to customers. All SGMICRO products meet the highest industry standards with strict and comprehensive test and quality control systems to achieve world-class consistency and reliability. For information regarding SGMICRO Corporation and its products, see 7
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