RP154L004B

RP154x Series 300 mA Ultra-small Dual LDO Regulator No. EA-202-210715 OUTLINE The RP154x is a CMOS-based voltage regulator that provides high ripple rejection, low dropout voltage, high output voltage accuracy, and low supply current. Internally, the RP154x consists of a voltage reference unit, an error amplifier, resistors for setting output voltage, a short current limit circuit and a chip enable circuit. The RP154x is available in fixed output voltage options. Besides the low supply current by CMOS, the RP154x offers a low dropout voltage by built-in low ON resistance Tr. as well as an extended battery life by a chip enable function. Compared with the existing CMOS-based regulators, the RP154x is further improved in ripple rejection, line transient response, and load transient response. All these features allow the RP154x to become ideal power sources for hand-held communication equipment. The RP154x is offered in a 6-pin SOT-23-6 package for a single input type and an 8-pin DFN1216-8 package for a dual input type. Both packages are equipped with two LDOs which can achieve high-density mounting. FEATURES • • • • • • • • • • • • • Supply Current ..................................................................... Typ. 50 µA x 2 (VR1 & VR2) Standby Current ................................................................... Typ. 0.1µA x 2 (VR1 & VR2) Input Voltage Range............................................................. 1.4 V to 5.25 V Output Voltage Range .......................................................... 0.8 V to 3.7 V (0.1 V steps) Output Voltage Accuracy ...................................................... ±1.0% (VSET > 2.0 V, Ta = 25°C) Temperature-Drift Coefficient of Output Voltage .................. Typ. ±80 ppm/°C Dropout Voltage ................................................................... Typ. 0.25 V (IOUT = 300 mA, VSET = 2.5 V) Ripple Rejection ................................................................... Typ. 75 dB (f = 1 kHz) Line Regulation .................................................................... Typ. 0.02%/V Packages ............................................................................ DFN1216-8, SOT-23-6 Short-current Limit Circuit .................................................... Typ. 60 mA Overcurrent Protection Circuit Ceramic Capacitor Compatible ............................................ 1.0 µA 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 RP154x No. EA-202-210715 SELECTION GUIDE The set output voltage, the package type and the auto discharge function( 1) are user-selectable options. Selection Guide Product Name RP154L0xx∗-E2 Package Quantity per Reel Pb Free Halogen Free DFN1216-8 5,000 pcs Yes Yes SOT-23-6 3,000 pcs Yes Yes RP154N0xx∗-TR-FE xx: Specify the combination of set output voltage (VSET) within the range of 0.8 V to 3.7 V in 0.1 V step. ∗: The auto discharge function at off state are options as follows. (A) Auto-discharge function not included, Active-high (B) Auto-discharge function included, Active-high BLOCK DIAGRAMS CE1 VOUT1 R1_1 Error Amp. Vref R2_1 Current Limit VDD GND R1_2 Error Amp. Vref R2_2 Current Limit CE2 VOUT2 RP154NxxxA Block Diagram (1) Auto-discharge function quickly lowers the output voltage to 0 V by releasing the electrical charge accumulated in the external capacitor when the chip enable signal is switched from the active mode to the standby mode. 2 RP154x No. EA-202-210715 CE1 VOUT1 R1_1 Error Amp. Vref R2_1 Current Limit VDD GND R1_2 Error Amp. Vref R2_2 Current Limit CE2 VOUT2 RP154NxxxB Block Diagram VDD1 VOUT1 R1_1 Error Amp. Vref R2_1 Current Limit CE1 GND VDD2 R1_2 Error Amp. Vref R2_2 Current Limit CE2 VOUT2 RP154LxxxA Block Diagram 3 RP154x No. EA-202-210715 VDD1 VOUT1 R1_1 Error Amp. Vref R2_1 Current Limit CE1 GND VDD2 R1_2 Error Amp. Vref R2_2 Current Limit CE2 VOUT2 RP154LxxxB Block Diagram 4 RP154x No. EA-202-210715 PIN DESCRIPTIONS Top View 8 7 6 6 Bottom View 5 5 6 7 2 3 4 4 4 8 (mark side) (1) 1 5 3 2 1 DFN1216-8 Pin Configuration DFN1216-8 Pin Description Pin No. Symbol 1 1 2 3 SOT-23-6 Pin Configuration Description 1 GND Ground Pin(2) 2 VOUT1 Output Pin 1 3 VOUT2 Output Pin 2 4 GND Ground Pin(2) 5 CE2 Chip Enable Pin 2, Active-high 6 VDD2 Input Pin 7 VDD1 Input Pin 8 CE1 Chip Enable Pin 1, Active-high SOT-23-6 Pin Description Pin No. Symbol Description 1 CE1 Chip Enable Pin 1 ("H" Active) 2 VDD Input Pin 3 CE2 Chip Enable Pin 2 ("H" Active) 4 VOUT2 Output Pin 2 5 GND Ground Pin 6 VOUT1 Output Pin 1 (1) 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. (2) The GND pin must be wired together when it is mounted on board. 5 RP154x No. EA-202-210715 ABSOLUTE MAXIMUM RATINGS Absolute Maximum Ratings Symbol Item VIN Input Voltage VCE Input Voltage (CE Pin) Rating Unit 6.0 V −0.3 to 6.0 V VOUT1, VOUT2 Output Voltage −0.3 to VIN +0.3 V IOUT1, IOUT2 Output Current 400 mA PD PD Power Dissipation(1) (JEDEC STD. 51-7 Test Land Pattern) DFN1216-8 1700 SOT-23-6 660 Power Dissipation (DFN1216-8)(2) 625 Power Dissipation (SOT-23-6)(1) 420 mW mW 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 permanent damage 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 Recommended Operating Conditions Symbol Item Rating Unit VIN Operating 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 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) (2) 6 Refer to POWER DISSIPATION for detailed information. Refer to POWER DISSIPATION for detailed information. RP154x No. EA-202-210715 ELECTRICAL CHARACTERISTICS VIN = VSET > +1.0 V (VSET > 1.5 V), VIN = 2.5 V (VSET ≤ 1.5 V), IOUT = 1 mA, CIN = COUT = 1.0 µF, unless otherwise noted, VSET = Set Output Voltage is checked and guranteed by design engineering at −40°C ≤ Ta ≤ 85°C. The specification in VR1/VR2 Electrical Characteristics Symbol (Ta = 25°C) Item Conditions Ta = 25°C VOUT Output Voltage −40°C ≤ Ta ≤ 85°C IOUT Min. Typ. Max. Unit VSET > 2.0 V ×0.99 ×1.01 V VSET ≤ 2.0 V −20 20 mV VSET > 2.0 V ×0.97 ×1.03 V VSET ≤ 2.0 V −60 60 mV Output Current 300 mA ∆VOUT /∆IOUT Load Regulation VDIF Dropout Voltage ISS Supply Current IOUT = 0 mA 50 75 µA Istandby Standby Current VCE = 0 V 0.1 1.0 µA ∆VOUT /∆VIN Line Regulation VSET + 0.5 V ≤ VIN ≤ 5.25 V (VIN ≥ 1.4 V) 0.02 0.10 %/V RR Ripple Rejection f = 1 kHz, Ripple 0.2 Vp-p VIN = VSET+1.0 V, IOUT = 30 mA (When VSET ≤ 2.0 V, VIN = 3.0 V) VIN Input Voltage(1) ∆VOUT /∆Ta Output Voltage Temperature Coefficient −40°C ≤ Ta ≤ 85°C ±80 ppm /°C ISC Short Current Limit VOUT = 0 V 60 mA IPD CE Pull-down Current VCEH CE Input Voltage "H" VCEL CE Input Voltage "L" en RLOW 1 mA ≤ IOUT ≤ 300 mA 15 40 mV Refer to Dropout Voltage by Set Output Voltage. 75 1.4 dB 5.25 0.3 0.6 1.0 V µA V 0.4 V Output Noise BW = 10 Hz ∼ 100 kHz 75 µVrms Low Output Nch Tr. ON Resistance (of B version) VIN = 4.0 V, VCE = 0 V 50 Ω All of unit are tested and specified under load conditions such that Tj ≈ Ta = 25°C except for Output Noise, Ripple Rejection, Output Voltage Temperature Coefficient and Thermal Shutdown. (1) The maximum Input Voltage of ELECTRICAL CHARACTERISTICS is 5.25 V. In case of exceeding this specification, the IC must be operated on condition that the Input Voltage is up to 5.5 V and the total operating time is within 500 hrs. 7 RP154x No. EA-202-210715 ELECTRICAL CHARACTERISTICS (continued) The specification in is checked and guranteed by design engineering at −40°C ≤ Ta ≤ 85°C. Dropout Voltage by Set Output Voltage Set Output Voltage VSET (V) Dropout Voltage VDIF (V) Typ. Max. VSET = 0.8 0.56 0.72 VSET = 0.9 0.51 0.65 1.0 ≤ VSET < 1.2 0.46 0.59 1.2 ≤ VSET