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MP1519 Datasheet(PDF) 2 Page - Monolithic Power Systems |
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MP1519 Datasheet(HTML) 2 Page - Monolithic Power Systems |
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2 / 8 page  MP1519 – 1X, 1.5X, 2X CHARGE PUMP 4 WHITE LED DRIVER MP1519 Rev. 1.9 www.MonolithicPower.com 2 7/27/2006 MPS Proprietary Information. Unauthorized Photocopy and Duplication Prohibited. © 2006 MPS. All Rights Reserved. TM PACKAGE REFERENCE Part Number* Package Temperature MP1519DQ QFN16 (3mm x 3mm) –40 °C to +85°C * For Tape & Reel, add suffix –Z (eg. MP1519DQ–Z) For RoHS Compliant Packaging, add suffix –LF (eg. MP1519DQ–LF–Z) ABSOLUTE MAXIMUM RATINGS (1) VBATT to GND .............................................. 6.5V Power Dissipation (QFN)........................... 1.0W Logic Inputs to GND ................... –0.3V to +6.5V Storage Temperature ..............–65 °C to +150°C Junction Temperature...............................150 °C Recommended Operating Conditions (2) Input Voltage VBATT...................... 2.5V to 5.5V Operating Temperature .............–40 °C to +85°C Thermal Resistance (3) θJA θJC 3x3 QFN16 ............................. 60 ...... 14... °C/W Notes: 1) Exceeding these ratings may damage the device. 2) The device is not guaranteed to function outside of its operating conditions. 3) Measured on approximately 1” square of 1 oz copper. ELECTRICAL CHARACTERISTICS VBATT = 5V, TA = +25°C, unless otherwise noted. Parameter Symbol Condition Min Typ Max Units Input Supply Voltage VBATT 2.5 5.5 V VBATT at 1x to 1.5x Mode Switch VBATT 1x-1.5x ILED = 20mA, VBATT Decreasing, VLED = 3.35V @ 20mA 3.6 V VBATT at 1.5x to 2x Mode Switch VBATT 1.5x-2x ILED = 20mA, VBATT Decreasing, VLED = 3.35V @ 20mA 2.8 V VBATT at 2x to 1.5x Mode Switch VBATT 2x-1.5x VBATT Increasing, VLED = 3.35V @ 20mA 3.1 V VBATT at 1.5x to 1x Mode Switch VBATT 1.5x-1x VBATT Increasing, VLED = 3.35V @ 20mA 3.8 V Supply Current IBATT 4 LEDs at 20mA, 2x Mode, VBATT = 2.5V 164 180 mA Supply Current Shutdown IBATT SHDN VEN = 0V 0.1 1 µA Current Matching (4) ILED MATCH ILED = 20mA 1.5 5.0 % Enable Voltage, High VEN (HIGH) 2.0 2.2 V Enable Voltage, Low VEN (LOW) 0.8 1.0 V Enable Pin Leakage IEN VEN = 5V 0.1 1 µA Charge Pump Frequency FCP VBATT = 3.3V 1.0 1.3 1.6 MHz Time to Standby Mode (5) TOFF Enable Switched Low 30 µs Enable Pin PWM Frequency Limit FHPWM 50 KHz LED Current ILED RSET = 1.54kΩ 18 20 22 mA Notes: 4) Matching is defined as the difference of the maximum to minimum current divided by the sum of the maximum and minimum currents. 5) Standby mode switches to shutdown when the output voltage on LEDC drifts back to GND. TOP VIEW EXPOSED PAD CONNECT TO PIN 8 PIN 1 ID LED4 NC GND C1A EN RADJ GND C2B 1 2 3 4 13 14 15 16 8 7 6 5 LEDC C1B C2A BATT BATT LED1 LED2 LED3 12 11 10 9 |
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