RP202K321D-TR

RP202x SERIES Low Power / Fast Mode Alternative 200mA LDO Regulator NO.EA-279-170710 OUTLINE The RP202x is voltage regulator IC with high output voltage accuracy, low dropout voltage and low supply current. This IC performs with the chip enable function and realize a standby mode with low supply current. To prevent the destruction by over current, the current limit circuit is included. The RP202x has 3-mode. One is standby mode with CE pin. The other two are the fast response mode (Fast Mode) and the low power mode, and switch over automatically according to the load current of the LDO. Supply current of IC itself at light load is automatically reduced. The output voltage is maintained between Fast Mode and ECO Mode. The RP202x consists of a voltage reference unit, an error amplifier, a resister net for voltage setting, and a current limit circuit. Since the packages are SOT-23-5, SC-88A, and DFN(PLP)1010-4, high density mounting of the IC on boards is possible. FEATURES  Input Voltage Range ······································· 1.4V to 5.25V  Output Voltage Range ····································· 0.8V to 4.0V (0.1V steps)  Supply Current (IOUT=0mA) ······························· Typ. 2.5µA  Supply Current (IOUT=10mA) ······························ Typ. 50µA  Supply Current (Standby Mode) ························· Typ. 0.1µA  Dropout Voltage ············································· Typ. 0.20V (IOUT=200mA, VOUT=2.8V)  Ripple Rejection ············································· Typ. 70dB (f=1kHz, VOUT=2.8V, IOUT=30mA)  Line Regulation ·············································· Typ. 0.02%/V (IOUT=10mA)  Packages ····················································· DFN(PLP)1010-4, SC-88A, SOT-23-5  Built-in Foldback Protection Circuit ····················· Typ. 60mA (Current at short mode)  Built-in Constant Slope Circuit (Soft-start Function)  Ceramic capacitors are recommended to be used with this IC 0.47µF or more APPLICATIONS    Power source for portable communication equipment. Power source for electrical appliances such as cameras, VCRs and camcorders. Power source for battery-powered equipment. 1 RP202x NO.EA-279-170710 SELECTION GUIDE The output voltage, auto discharge function(1), and package, for the IC can be selected at the user’s request. Product Name Package Quantity per Reel Pb Free Halogen Free DFN(PLP)1010-4 10,000pcs Yes Yes RP202Qxx2∗-TR-FE SC-88A 3,000pcs Yes Yes RP202Nxx1∗-TR-FE SOT-23-5 3,000pcs Yes Yes RP202Kxx1∗-TR xx : The output voltage can be designated in the range from 0.8V(08) to 4.0V(40) in 0.1V steps. ∗ : The auto discharge function at off state are options as follows. (B) without auto discharge function at off state (D) with auto discharge function at off state BLOCK DIAGRAMS RP202xxxxB VDD RP202xxxxD VOUT VDD Vref Vref Current Limit CE (1) VOUT Current Limit GND CE GND Auto-discharge function quickly lowers the output voltage to 0V, when the chip enable signal is switched from the active mode to the standby mode, by releasing the electrical charge accumulated in the external capacitor. 2 RP202x NO.EA-279-170710 PIN DESCRIPTIONS DFN(PLP)1010-4 Top View Bottom View SC-88A 4 5 4 3 3 2 5 4 4 ∗ 1 SOT-23-5 2 (mark side) 1 1 2 3 (mark side) 1 2 3 DFN(PLP)1010-4 Pin No Symbol Pin Description 1 VOUT Output Pin 2 GND Ground Pin 3 CE Chip Enable Pin ("H" Active) 4 VDD Input Pin ∗ Tab is GND level. (They are connected to the reverse side of this IC.) The tab is better to be connected to the GND, but leaving it open is also acceptable. SC-88A Pin No Symbol 1 CE Chip Enable Pin ("H" Active) NC No Connection 2 (1) Pin Description 3 GND Ground Pin 4 VOUT Output Pin 5 VDD Input Pin SOT-23-5 Pin No Symbol Pin Description 1 VDD 2 GND 3 CE Chip Enable Pin ("H" Active) 4 NC No Connection 5 VOUT Output Pin Input Pin Ground Pin (1) Pin No. 2 is connected to the bottom of the IC. It is recommended that the pin be connected to the ground plane on the board, or otherwise be left floating so that there is no contact with other potentials. 3 RP202x NO.EA-279-170710 ABSOLUTE MAXIMUM RATINGS Symbol Item Rating Unit 6.0 V −0.3 to 6.0 V VIN Input Voltage VCE Input Voltage (CE Pin) VOUT Output Voltage −0.3 to VIN + 0.3 V IOUT Output Current 220 mA Power Dissipation (DFN(PLP)1010-4, Standard Test Land Pattern) Power Dissipation (SC-88A, Standard Test Land Pattern) 1 PD Power Dissipation (SOT-23-5, Standard Test Land Pattern) 1 400 380 1 mW 420 Tj Junction Temperature Range −40 to 125 °C Tstg Storage Temperature Range −55 to 125 °C ABSOLUTE MAXIMUM RATINGS Electronic and mechanical stress momentarily exceeded absolute maximum ratings may cause the permanent damages and may degrade the life time and safety for both device and system using the device in the field. The functional operation at or over these absolute maximum ratings is not assured. RECOMMENDED OPERATING CONDITIONS Symbol Item Rating Unit VIN Input Voltage 1.4 to 5.25 V Ta Operating Temperature Range −40 to 85 °C RECOMMENDED OPERATING CONDITIONS All of electronic equipment should be designed that the mounted semiconductor devices operate within the recommended operating conditions. The semiconductor devices cannot operate normally over the recommended operating conditions, even if when they are used over such conditions by momentary electronic noise or surge. And the semiconductor devices may receive serious damage when they continue to operate over the recommended operating conditions. (1) 4 Refer to POWER DISSIPATION for detailed information. RP202x NO.EA-279-170710 ELECTRICAL CHARACTERISTICS VIN=Set VOUT +1V, IOUT=1mA, CIN=COUT =0.47µF, unless otherwise noted. The specification in is checked and guaranteed by design engineering at -40°C≤Ta≤85°C. Symbol VOUT IOUT ∆VOUT /∆IOUT VDIF ISS1 ISS2 Item Output Voltage IOUTL ∆VOUT /∆VIN RR IOUT=5mA (Fast Mode) VOUT > 2.0V Ta=25°C VOUT ≤ 2.0V IOUT=5mA (Fast Mode) VOUT > 2.0V -40°C ≤ Ta ≤ 85°C VOUT ≤ 2.0V Output Current CE Pull-down Constant Current VCEH CE Input Voltage “H” VCEL CE Input Voltage “L” RLOW Low Output Nch Tr. ON Resistance (of D version) ×1.01 -20mV 20mV ×0.965 ×1.025 −70mV 50mV V mA % VOUT ≤ 2.0V −20 20 mV 10 30 mV IOUT=0mA 2.5 5.0 µA IOUT=10mA 50 VCE=GND 0.1 −20 Refer to the "Dropout Voltage" Fast Mode IOUT= Light load to Heavy load switch-over current Low Power Mode IOUT= Heavy load to Light load switch-over current IOUT=1mA VOUT+0.5V ≤ VIN ≤ 5V (Low Power Mode) Line Regulation 1.4V ≤ VIN IOUT=10mA (Fast Mode) VOUT ≤ 1.8V f=1kHz 1.8< VOUT ≤2.8V Ripple 0.2Vp-p Ripple Rejection VIN=VOUT+1.0V， 2.8< VOUT ≤3.3V IOUT=30mA 3.3 < VOUT ICEPD × 0.99 Unit 1.0 Dropout Voltage Short Current Limit Max. −1.0 10mA ≤ IOUT ≤ 200mA ISC Typ. VOUT > 2.0V Load Regulation Supply Current (IOUT=0mA)(1) Supply Current (IOUT=10mA) Min. 200 1mA ≤ IOUT ≤ 10mA Istandby Standby Current IOUTH Conditions (Ta＝25°C) 1.0 µA 1.0 µA 8.0 mA 2.0 mA ±0.50 %/V ±0.02 VOUT=0V ±0.10 75 70 65 60 dB 60 mA 0.3 0.6 1.0 V 0.4 VIN = 4.0V VCE = 0V µA 60 V Ω All of units are tested and specified under load conditions such that Tj≈Ta25°C except for Ripple Rejection, Output Voltage Temperature Coefficient. (1) The value of supply current is excluding the Pull-down constant current of CE Pin. 5 RP202x NO.EA-279-170710 Dropout Voltage Output Voltage VOUT (V) Dropout Voltage VDIF (V) Typ. Max. 0.8 ≤ VOUT