R1173H351B

R1173x SERIES Super low on resistance/Low voltage LDO NO.EA-123-070828 OUTLINE The R1173x Series are CMOS-based positive voltage regulator ICs. The R1173x Series have features of super low dropout, 1A output current capability, and -3mV typical load regulation at 1A. Even the output voltage is set at 1.5V, on resistance of internal FET is typically 0.32Ω. Therefore, applications that require a large current at small dropout are suitable for the R1173x series. Low input voltage is acceptable and low output voltage can be set. The minimum input voltage is 1.4V, and the lowest set output voltage is 0.8V. Each of these ICs consists of a voltage reference unit, an error amplifier, resistor net for setting output voltage, a current limit circuit at over-current, a chip enable circuit, a thermal-shutdown circuit, and so on. A stand-by mode with ultra low consumption current can be realized with the chip enable pin. The output voltage types of R1173 are fixed one in the IC and adjustable one (R1173x001x). Since the packages for these ICs are the SOT-89-5 package, HSON-6, or HSOP-6J, high density mounting of the ICs on boards is possible. FEATURES • • • • • • • • • • • • • • • • Output Current ............................................................. 1A Supply Current ............................................................. Typ. 60µA Standby Current ........................................................... Typ. 0.1µA Input Voltage Range .................................................... 1.4V to 6.0V Output Voltage Range (R1173xxx1) ............................ 0.8V to 5.0V (HSOP-6J: 0.8V to 3.5V) Output Voltage Range (R1173x001) ............................ 1.0V to VIN Dropout Voltage ........................................................... Typ. 0.32V (VOUT=1.5V, IOUT=1A) Typ. 0.18V (VOUT=2.8V, IOUT=1A) Ripple Rejection........................................................... Typ. 70dB (VOUT=2.8V) Output Voltage Accuracy.............................................. ±2.0% Temperature-drift Coefficient of Output Voltage........... Typ. ±100ppm/°C Line Regulation ............................................................ Typ. 0.05%/V Load Regulation........................................................... Typ. −2mV (IOUT=300mA) Typ. −3mV (IOUT=1A) Packages ..................................................................... SOT-89-5, HSON-6, HSOP-6J Low inrush current at turning-on .................................. Typ. 500mA Built-in Current Limit Circuit ......................................... Typ. 250mA Output capacitors ......................................................... CIN=Ceramic 4.7µF COUT=Tantalum 4.7µF (VOUT 1.0V) = Built-in Thermal Shutdown Circuit • APPLICATIONS • Local Power source for Notebook PC. • Local Power source for portable communication equipments, cameras, and videos. • Local Power source for home appliances. 1 R1173x BLOCK DIAGRAMS R1173xxx1B VDD VOUT VDD R1173xxx1D VOUT Vref Current Limit Vref Current Limit CE GND CE GND R1173x001B VDD VOUT ADJ VDD R1173x001D VOUT ADJ Vref Current Limit Vref Current Limit CE GND CE GND 2 R1173x SELECTION GUIDE The output voltage, auto discharge function*, the package type, etc. can be selected at the user's request. The selection can be made with the part number as follows; R1173xxx1x-xx-x ←Part Number ↑↑ ab Code A ↑↑ ↑ cde Contents Package Type; H: SOT-89-5, D: HSON-6, S: HSOP-6J Designation of Output Voltage (VOUT) External Setting Type: 00 (ADJ pin voltage is fixed at 1.0V.) Fixed Type: 08 to 50 (Stepwise setting with 0.1V increment in the range from 0.8V to 5.0V, exceptions; 1.85V output: R1173x181x5-xx, 2.85V output: R1173x281x5-xx) Designation of Mask Option: B: Built-in Chip Enable Circuit, Active at "H", without auto discharge function* D: Built-in Chip Enable Circuit, Active at "H", with auto discharge function* Designation of Taping Type; T1 (SOT-89-5), TR (HSON-6), E2 (HSOP-6J) (Refer to Taping Specifications) Designation of composition of plating: −F: Lead free plating (SOT-89-5, HSON-6, HSOP-6J) b c d e *) When the mode is into standby with CE signal, auto discharge transistor turns on, and it makes the turn-off speed faster than normal type. PIN CONFIGURATIONS SOT-89-5 Top View 5 4 HSON-6 Bottom View 4 5 6 6 HSOP-6J 5 4 6 5 4 ∗ ∗ 1 2 3 ∗ 3 2 1 1 2 3 1 2 3 3 R1173x PIN DESCRIPTIONS SOT-89-5 Pin No. 1 2 3 4 5 Symbol ADJ or NC GND CE VDD VOUT Description ADJUST Pin (R1173H001x) No Connection (R1173Hxx1x) Ground Pin Chip Enable Pin Input Pin Output Pin 4 5 6 GND CE VDD HSON-6 Pin No. 1 2 3 Symbol VOUT VOUT ADJ or NC Description Output Pin Output Pin ADJUST Pin (R1173D001x) No Connection (R1173Dxx1x) Ground Pin Chip Enable Pin Input Pin * Tab in the parts have GND level. (They are connected to the back side of this IC.) Connect Pin1 and Pin2 as short as possible. HSOP-6J Pin No. 1 2 3 4 5 6 Symbol VOUT GND ADJ or NC CE GND VDD Description Output Pin Ground Pin ADJUST Pin (R1173S001x) No Connection (R1173Sxx1x) Chip Enable Pin Ground Pin Input Pin ABSOLUTE MAXIMUM RATINGS Symbol VIN VCE VOUT IOUT PD Topt Tstg Input Voltage Input Voltage (CE Input Pin) Output Voltage Output Current Power Dissipation (SOT-89-5)* Power Dissipation (HSON-6)* Operating Temperature Storage Temperature 1 1 1 Item Rating 6.5 −0.3 to 6.5 −0.3 to VIN+0.3 1.4 900 900 1700 −40 to 85 −55 to 125 Unit V V V A mW °C °C Power Dissipation (HSOP-6J)* *1) For Power Dissipation, please refer to PACKAGE INFORMATION to be described. 4 R1173x ELECTRICAL CHARACTERISTICS • R1173xxxxB/D (Fixed Output Voltage Type) Item Input Voltage Supply Current VIN−VOUT=1.0V, VCE=VIN, IOUT=0A VIN= 6.0V, VCE=0V VIN−VOUT=1.0V IOUT=100mA VIN−VOUT=1.0V VIN−VOUT=0.3V, 1mA < IOUT < 300mA = = If VOUT < 1.1V, then VIN=1.4V = VIN−VOUT=0.3V, 1mA < IOUT < 1A = = If VOUT < 1.1V, then VIN=1.7V = Refer to the following table IOUT=100mA, VOUT+0.5V < VIN < 6.0V = = If VOUT < 0.9V, 1.4V < VIN < 6.0V = = = f=1kHz (VOUT < 4.0V) = f=1kHz (VOUT>4.0V) Ripple 0.5Vp-p,VIN−VOUT=1.0V, IOUT=100mA If VOUT < 1.2V, VIN−VOUT=1.5V, IOUT=100mA = IOUT=100mA, −40°C < Topt = VOUT=0V 1.9 1.0 0 150 120 30 < = Topt=25°C Symbol VIN ISS Conditions Min. 1.4 Typ. Max. Unit 6.0 60 0.1 100 1.0 ×1.02 +30 V µA µA V mV A −2 −3 15 mV Istandby Standby Current VOUT IOUT ∆VOUT/ ∆IOUT VDIF ∆VOUT/ ∆VIN RR ∆VOUT/ ∆Topt Ilim RPD VCEH VCEL TTSD TTSR en Output voltage Output Current VOUT>1.5V VOUT < = ×0.98 −30 1 −15 1.5V Load regulation Dropout Voltage Line regulation 0.05 70 60 0.20 %/V Ripple Rejection dB ppm/ °C mA 15.0 6.0 0.4 MΩ V V °C °C µVrms Topt=25°C Output Voltage Temperature Coefficient Short Current Limit Pull-down resistance for CE pin CE Input Voltage "H" CE Input Voltage "L" 85°C ±100 250 5.0 Thermal Shutdown Detector Junction Temperature Threshold Temperature Thermal Shutdown Junction Temperature Released Temperature Output Noise BW=10Hz to 100kHz • Dropout Voltage by Output Voltage Dropout Voltage VDIF (V) Output Voltage VOUT (V) Typ. 0.8 0.9 1.0 1.5 < = < = < = < = IOUT=300mA Max. 0.57 0.47 0.32 0.15 0.10 0.33 0.22 0.18 0.10 0.05 IOUT=1A Typ. 0.72 0.64 0.56 0.32 0.18 VOUT < 0.9 VOUT < 1.0 VOUT < 1.5 VOUT < 2.6 < = 2.6 VOUT 5 R1173x • R1173x001B/D (Adjustable Output Voltage Type) Symbol VIN ISS Istandby VOUT RVOUT IOUT ∆VOUT/ ∆IOUT Input Voltage Supply Current Standby Current Reference Voltage for Adjustable Voltage Regulator Output Voltage Range Output Current VOUT=VADJ, VIN=2.0 VIN=1.4V 1mA < IOUT = VIN=1.7V 1mA < IOUT = VOUT=VADJ < = < = Topt=25°C Item Conditions VOUT=VADJ, VIN=2.0, VCE=VIN VIN=6.0V, VCE=0V VOUT=VADJ, VIN=2.0V IOUT=100mA Min. 1.4 Typ. Max. 6.0 Unit V µA µA V V A 60 0.1 0.970 1.0 1 −15 −2 −3 0.18 0.56 0.05 70 ±100 250 1.9 1.0 0 5.0 1.000 100 1.0 1.030 VIN Load regulation 300mA 1A IOUT=300mA IOUT=1A 15 mV VDIF ∆VOUT/ ∆VIN RR ∆VOUT/ ∆Topt Ilim RPD VCEH VCEL TTSD TTSR en Dropout Voltage Line regulation Ripple Rejection Output Voltage Temperature Coefficient Short Current Limit Pull-down resistance for CE pin CE Input Voltage "H" CE Input Voltage "L" Thermal Shutdown Detector Threshold Temperature Thermal Shutdown Released Temperature Output Noise 0.32 V %/V dB ppm/°C mA VOUT=VADJ, IOUT=100mA 1.5V < VIN < 6.0V = = f=1kHz Ripple 0.5Vp−p, VOUT=VADJ, VIN=2.5V IOUT=100mA IOUT=100mA −40°C < Topt = VOUT=VADJ=0V < = 0.20 85°C 15.0 6.0 0.4 MΩ V V °C °C µVrms Junction Temperature Junction Temperature BW=10Hz to 100kHz 150 120 30 6 R1173x Technical Notes on External Components and Typical Application (Refer to the example of typical application) VIN VDD C1 VOUT C2 GND ADJ IOUT VOUT R1173xxx Series CE V Example of the typical application of R1173x (Fixed Output Type) Phase Compensation In these ICs, phase compensation is made with the output capacitor for securing stable operation even if the load current is varied. For this purpose, use as much as a capacitor as C2. Recommendation value is as follows: Mounting on PCB Make VDD and GND lines sufficient. If their impedance is high, a current flows, the noise picked up or unstable operation may result. Further use a 4.7µF or more value capacitor between VDD pin and GND pin as close as possible. Set an Output capacitor between VOUT pin and GND pin for phase compensation as close as possible. Output Voltage VOUT