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LP5550SQX Datasheet(PDF) 5 Page - National Semiconductor (TI) |
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LP5550SQX Datasheet(HTML) 5 Page - National Semiconductor (TI) |
5 / 25 page Absolute Maximum Ratings (Notes 1, 2) If Military/Aerospace specified devices are required, please contact the National Semiconductor Sales Office/ Distributors for availability and specifications. VBAT1, VBAT2, VBATSW -0.3 to +6.0V VO1, VO2, VO3 to GND -0.3 to +VBAT1+0.3V ENABLE, RESETN, VFB, SW, SPWI, SCLK, PWROK -0.3 to VBAT2+0.3V DGND, AGND, SWGND to GND SLUG ±0.3V Junction Temperature (TJ-MAX) 150˚C Storage Temperature Range -65˚C to 150˚C Maximum Continuous Power Dissipation (PD-MAX) (Note 3) 1.0 W Maximum Lead Temperature (Soldering) Note 4 ESD Rating (Note 3) Human Body Model: SW pin 1.0kV All other pins 2.0kV Operating Ratings (Notes 1, 2) VBAT1, VBAT2, VBATSW 3.0V to 5.5V Junction Temperature (T J) Range −40˚C to +125˚C Ambient Temperature (T A) Range(Note 5) −40˚C to +85˚C Thermal Properties(Note 6) Junction-to-Ambient Thermal Resistance ( θ JA) 39.8˚C/W General Electrical Characteristics Unless otherwise noted, V BAT1,2,SW , RESETN, ENABLE = 3.6V. Typical values and limits appearing in normal type apply for TJ = 25˚C. Limits appearing in boldface type apply over the entire junction temperature range for operation, -40 to +125˚C. (Notes 2, 7, 8, 9) Symbol Parameter Conditions Min Typ Max Units I Q Shutdown Supply current V BAT1,2,SW = 2.0V, all circuits off. 1 6 µA Sleep State Supply Current (V O3 load 1 mA) V BAT1,2,SW = 3.6V, LDO3 (VO3) on, PWI on. All other circuits off. 70 85 µA Acitve State Supply Current (No load, PFM mode) V BAT1,2,SW = 3.6V, LDOs 1 and 2 on, Switcher on, PWI on. 140 165 µA T SD Thermal Shutdown Threshold 160 ˚C Thermal Shutdown Hysteresis 10 LDO1 (PLL/Fixed Voltage) Characteristics Unless otherwise noted, V BAT1,2,SW, RESETN, EN- ABLE = 3.6V. Typical values and limits appearing in normal type apply for TJ = 25˚C. Limits appearing in boldface type apply over the entire junction temperature range for operation, -40 to +125˚C. (Notes 2, 7, 8) Symbol Parameter Conditions Min Typ Max Units V OUT Accuracy Output Voltage 1mA ≤ IOUT ≤ 100mA,V OUT = 2V, 3.0V ≤ V BAT1,2,SW ≤ 5.5V -3% 2 3% V V OUT Range Programmable Output Voltage Range 0µA ≤ I OUT ≤ 100mA, Programming Resolution=100mV 0.7 1.2 2.2 V I OUT Recommended Output Current 3.0V ≤ VBAT1,2,SW ≤ 5.5V 100 mA Short Circuit Current Limit V OUT =0V 350 I Q Quiescent Current I OUT = 0mA(Note 11) 35 45 µA ∆V OUT Line Regulation 3.0V ≤ V BAT1,2,SW ≤ 5.5V, I OUT = 50mA -0.0125 0.0125 %/V Load Regulation V IN = 3.6V, 1mA ≤ I OUT ≤ 100mA -0.0085 0.0085 %/mA Line Transient Regulation 3.6V ≤ V IN ≤ 3.9V, TRISE,FALL = 10 µs 27 mV Load Transient Regulation V IN = 3.6V, 10mA ≤ I OUT ≤ 90 mA, TRISE,FALL = 100 ns 86 mV eN Output Noise Voltage 10Hz ≤ f ≤ 100kHz,C OUT = 2.2µF 0.103 mVRMS www.national.com 5 |
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