LV52207NXB LED Boost Driver, Dual Channel, PWM, 1-Wire Dimming Overview www.onsemi.com The LV52207NXB is a high voltage boost driver for LED drive with 2 channels adjustable constant current sources. Features Operating Voltage from 2.7 V to 5.5 V WLCSP9, 1.31x1.31 CASE 567HX Integrated 40 V MOSFET 1-wire 255 level digital and PWM dimming MARKING DIAGRAM Supports CABC 600 kHz Switching Frequency A1 D9 37.5 V Overvoltage Protection (OVP) Threshold YXX These Devices are PbFree, Halogen Free/BFR Free and are RoHS Compliant (Top View) Typical Applications D9 = Specific Device Code LED Display Backlight Control YXX = Assembly Lot Code OPTION: BACKSIDE COATING VIN (2.7 V~5.5 V) 4.7 H 1 F PIN CONNECTION 10 1 F SW VCC 12 3 1 F LED LED RT A Enable/Disable O2 O1 1wire EN PWM Dimming PWM FCAP GND B LEDO1 PWM LEDO2 FCAP RT 330 nF C EN VIN SW GND 63.4 k (Top View) Figure 1. 5 x 2 LED Application ORDERING INFORMATION Device Package Shipping LV52207NXBVH WLCSP9 5,000 / (PbFree/ Tape & Reel Halogen Free) For information on tape and reel specifications, including part orientation and tape sizes, please refer to our Tape and Reel Packaging Specification Brochure, BRD8011/D. Semiconductor Components Industries, LLC, 2015 1 Publication Order Number: September, 2018 Rev. 2 LV52207NXB/DCONFIDENTIAL AND PROPRIETARY NOT FOR PUBLIC RELEASE LV52207NXB SPECIFICATIONS ABSOLUTE MAXIMUM RATINGS (Ta = 25C) Parameter Symbol Conditions Ratings Unit Maximum Supply Voltage V max V 6 V CC CC Maximum Pin Voltage1 V1 max SW 40 V Maximum Pin Voltage2 V2 max Other pin 5.5 V Allowable Power Dissipation Pd max Ta = 25 C (Note 1) 1.05 W Operating Temperature Topr 40 to +85 C Storage Temperature Tstg 55 to +125 C Stresses exceeding those listed in the Maximum Ratings table may damage the device. If any of these limits are exceeded, device functionality should not be assumed, damage may occur and reliability may be affected. 1. Mounted on the following board: 70 mm 70 mm 1.6 mm (4 layer glass epoxy) 2. Absolute maximum ratings represent the values which cannot be exceeded for any length of time. 3. When the device is used within the range of absolute maximum ratings, as a result of continuous usage under high temperature, high current, high voltage, or drastic temperature change, the reliability of the IC may be decrease. Please contact ON Semiconductor for the further details. RECOMMENDED OPERATING CONDITIONS (Ta = 25C) Parameter Symbol Conditions Ratings Unit Supply Voltage Range1 V op VCC 2.7 to 5.5 V CC PWM Frequency F PWM pin input signal 300 to 100k Hz PWM Min. Duty% on PWM Pin D PWM pin input signal 0.5 % MIN PWM Functional operation above the stresses listed in the Recommended Operating Ranges is not implied. Extended exposure to stresses beyond the Recommended Operating Ranges limits may affect device reliability. *Recommended MIN duty % on PWM pin is a design assurance ELECTRICAL CHARACTERISTICS ANALOG BLOCK (Ta = 25C, V = 3.6 V, RT resistor = 63.4 k unless otherwise specified) CC Parameter Symbol Conditions Min Typ Max Unit Standby Current Dissipation Icc1 EN = PWM = L 0 2.0 A DC/DC Current Dissipation1 Icc2 Device enable, switching 0.6 MHz and no load 0.7 1.2 mA Feedback Voltage V LEDO1, 2 = 20 mA 0.2 V FB Output Current1 I LEDO1, LEDO2, LEDISET = 20 mA Duty = 100% 19.6 20 20.4 mA O1 Output Current Matching1 I LEDO1, LEDO2, LEDISET = 20 mA Duty = 100% 0.3 2.0 % OM1 (IMAX IAVG) / IAVG LEDO1, 2 Max Current I LEDO1 LEDO2 40 mA MAX LEDO1, 2 Leak Current I LEDO1 LEDO2 1.0 A LEAK OVP Voltage V SW pin over voltage threshold 36 37.5 39 V OVP LEDO OVP Voltage V LEDO pin over voltage threshold LEDO DC rising 4.2 4.5 5.0 V OVP,LED SW ON Resistance R I = 100 mA 300 m OUT ON L NMOS Switch Current Limit I 1.0 1.5 A LIM OSC Frequency F 500 600 750 kHz OSC High Level Input Voltage V EN PWM 1.2 V V INH CC Low Level Input Voltage V EN PWM 0 0.4 V INL Under Voltage Lockout V VIN falling 2.2 V UVLO EN Pin Output Voltage for V R = 15 k 0.4 V ACK PULL UP Acknowledge Product parametric performance is indicated in the Electrical Characteristics for the listed test conditions, unless otherwise noted. Product performance may not be indicated by the Electrical Characteristics if operated under different conditions. www.onsemi.com 2