NCP785A Linear Regulator - Wide Input Voltage Range, Ultra-Low Iq, High PSRR 10 mA www.onsemi.com The NCP785A is a high performance linear regulator, offering a very wide operating input voltage range of up to 450 V DC, with an MARKING output current of up to 10 mA. DIAGRAM Ideal for high input voltage applications such as industrial and home Tab metering, home appliances. The NCP785A family offers 5% initial AYW accuracy, extremely highpower supply rejection ratio and ultralow XXXXX quiescent current. The NCP785A is optimized for highvoltage line SOT89 and load transients, making this part ideal for harsh environment CASE 528AG 1 3 applications. 2 (Top Views) The NCP785A is offered in fixed output voltage options 3.3 V, (Tab is connected to Pin 2) 5.0 V, 12 V and 15 V. SOT89 package offers good thermal performance and help to A = Assembly Location Y = Year minimize the solution size. W = Work Week XXXXX = Specific Device Code Features = PbFree Package Wide Input Voltage Range: (Note: Microdot may be in either location) DC: Up to 450 V AC: 85 V to 260 V (halfwave rectifier and 2.2 F capacitor) 10 mA Guaranteed Output Current ORDERING INFORMATION See detailed ordering and shipping information in the package Ultra Low Quiescent Current: Typ. 10 A (V 5 V) OUT dimensions section on page 9 of this data sheet. 5% Accuracy Over Full Load, Line and Temperature Variations Ultrahigh PSRR: 70 dB at 60 Hz, 90 dB at 100 kHz Stable with Ceramic Output Capacitor 22 F MLCC Thermal Shutdown and Current Limit Protection Available in Thermally Enhanced SOT893 Package This is a PbFree Device Typical Applications Industrial Applications, Home Appliances Home Metering / Network Application Offline Power Supplies V V V V IN OUT IN OUT 85 VAC 260 VAC 25 V 450 V 3.3 V, 5 V, 12 V, 15 V 3.3 V, 5 V, 12 V, 15 V V V V V IN OUT IN OUT C IN C NCP785A OUT NCP785A C C IN OUT 2.2 F/ 2.2 F 22 F 22 F 450 V GND GND Figure 1. Typical Applications Semiconductor Components Industries, LLC, 2014 1 Publication Order Number: October, 2019 Rev. 2 NCP785A/DNCP785A VIN Thermal Shutdown Current Limit + V REF + 1.25 V VOUT GND NCP785A Figure 2. Simplified Internal Block Diagram Table 1. PIN FUNCTION DESCRIPTION Pin No. (SOT89) Pin Name Description 1 VIN Supply Voltage Input. Connect 2.2 F capacitor from VIN to GND. 2, Tab GND Ground connection. 3 VOUT Regulator Output. Connect 22 F or larger MLCC capacitor from VOUT to GND. Table 2. ABSOLUTE MAXIMUM RATINGS Rating Symbol Value Unit Input Voltage (Note 1) V 0.3 to 700 V IN Output Voltage V 0.3 to 18 V OUT Maximum Junction Temperature T 150 C J(MAX) Storage Temperature T 55 to 150 C STG ESD Capability, Human Body Model (All pins except HV pin no.1) (Note 2) ESD 2000 V HBM ESD Capability, Machine Model (Note 2) ESD 200 V MM 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. Peak 650 V max 1 ms non repeated for 1 s 2. This device series incorporates ESD protection and is tested by the following methods: ESD Human Body Model tested per AECQ100002 (EIA/JESD22A114) ESD Machine Model tested per AECQ100003 (EIA/JESD22A115) Latchup Current Maximum Rating tested per JEDEC standard: JESD78. Table 3. THERMAL CHARACTERISTICS Rating Symbol Value Unit Thermal Characteristics, SOT89 R 79 C/W JA Thermal Resistance, JunctiontoAir www.onsemi.com 2