Linear Regulator - Low Output Voltage, Ultra-Fast Low Dropout, Enable 1.0 A NCP5661, NCV5661 www.onsemi.com The NCP5661/NCV5661 is a high performance, low dropout linear regulator designed for high power applications that require up to 1.0 A MARKING current. It is offered in both fixed and adjustable output versions. With DIAGRAMS output voltages as low as 0.9 V and ultrafast response times for load NCP5661 NCV5661 transients, the NCP5661/NCV5661 also provides additional features such as Enable and Error Flag (for the fixed output version), increasing the utility of these devices. A thermally robust, 5 pin DPAK 1 5661xG V5661xG 5 or DFN 3x3.3 mm, combined with an architecture that offers low ALYWW ALYWW ground current (independent of load), provides for a superior DPAK5 CENTER LEAD CROP highcurrent LDO solution. CASE 175AA Features UltraFast Transient Response (Settling Time: 13 s) NCP5661 NCV5661 Low Noise Without Bypass Capacitor (26 V rms) V661 1 1 1 661x Low Ground Current Independent of Load (3.0 mA Maximum) zzz DFN6 AYWW AYWW MN SUFFIX Fixed/Adjustable Output Voltage Versions CASE 506AX Enable Function Error Flag (Fixed Output Version) x = A for Adjustable Version B for Fixed 1.2 V Current Limit Protection C for Fixed 3.3 V Thermal Protection D for Fixed 1.5 V E for Fixed 1.8 V 0.9 V Reference Voltage for UltraLow Output Operation F for Fixed 2.5 V Power Supply Rejection Ratio > 65 dB G for Fixed 2.8 V NCV Prefix for Automotive and Other Applications Requiring H for Fixed 3.0 V Unique Site and Control Change Requirements AECQ100 zzz = 12 for Fixed 1.2 V Qualified and PPAP Capable 15 for Fixed 1.5 V 18 for Fixed 1.8 V These are PbFree Devices 25 for Fixed 2.5 V 28 for Fixed 2.8 V Applications 30 for Fixed 3.0 V Servers 33 for Fixed 3.3 V ADJ for Adjustable Version ASIC Power Supplies A = Assembly Location Post Regulation for Power Supplies L = Wafer Lot Constant Current Source Y = Year Networking Equipment WW = Work Week G = PbFree Gaming and STB Modules = PbFree Package (Note: Microdot may be in either location) ORDERING INFORMATION See detailed ordering and shipping information in the package dimensions section on page 10 of this data sheet. Semiconductor Components Industries, LLC, 2014 1 Publication Order Number: September, 2020 Rev. 19 NCP5661/DNCP5661, NCV5661 PIN FUNCTION DESCRIPTION Pin Pin Adj/Fixed Adj/Fixed DFN6 DPAK5 Pin Name Description 1 1 Enable This pin allows for on/off control of the regulator. To disable the device, connect to Ground. If this function is not in use, connect to V . in 2,3 2 V Positive Power Supply Input Voltage in 4, EPAD 3, TAB Ground Power Supply Ground 5 4 V Regulated Output Voltage out 6 5 Adj This pin is connected to the resistor divider network and programs the output voltage. (Adjustable Version) 6 5 Error Flag An Error Flag is triggered when the output voltage is out of regulation excluding transi- (Fixed Version) ent signals that may occur. Requires a pullup resistor 100 k . MAXIMUM RATINGS Rating Symbol Value Unit Input Voltage V 18 V in Output Pin Voltage V 0.3 to Vin +0.3 V out Adjust Pin Voltage V 0.3 to Vin +0.3 V adj Enable Pin Voltage V 0.3 to Vin +0.3 V en Error Flag Voltage V 0.3 to Vin +0.3 V ef Error Flag Current I 3.0 mA ef Thermal Characteristics, DPAK5 (Note 1) C/W Thermal Resistance, JunctiontoAir R 100 JA Thermal Resistance, Junction toCase R 8.0 JC Thermal Characteristics, DFN6 (Note 2) C/W Thermal Resistance, JunctiontoAir R 82 JA Thermal Resistance, Junction toLead (Note 3) R 18 JL Operating Junction Temperature Range T 40 to +150 C J Storage Temperature Range T 55 to +150 C stg 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. NOTE: This device series contains ESD protection and exceeds the following tests: Human Body Model (HBM) JESD 22A114B Machine Model (MM) JESD 22A115A. The maximum package power dissipation is: T T J(max) A P D R JA The bipolar process employed for this IC is fully characterized and rated for reliable 18 V V operation. To avoid damaging CCmax the part or degrading its reliability, power dissipation transients should be limited to under 20 W for DPAK. For opencircuit to shortcircuit transient, P = V * I . DTransient CCmax SC 2 1. 1 oz copper, 0.26 in copper area (minimum pad) 2 2. 1 oz copper, 1 in copper area 3. Lead 2 www.onsemi.com 2