Innovations Embedded HVSOP5 VCSP60N1 CMOS LDO Regulators for portable devices Mobile ROHM MarketingUSA Phones Camcorders PDAs Digital Cameras Selection Guide CMOS LDO Regulators for Portable Devices from ROHM Semiconductor performance required for the specific as well as ultra-small chip-scale units. regulators are tailored for use in portable task, such as high ripple rejection for Depending on the particular model devices such as PDAs, mobile phones, analog signal systems or high-speed series, these fixed-output devices offer a digital cameras and camcorders. Lower load regulation for logic circuits. All selection of output voltages ranging from in cost and small in packaging, ROHM ROHM CMOS LDOs feature power- 1.2 V to 3.4 V. CMOS LDOs offer designers a superior saving shutdown capability and all are In additon to the wide selection of alternative to PWM regulators in many compatible with space-saving ceramic single-output devices, ROHM offers point-of-load regulation applications. capacitors. a series of triple-output models in a ROHM CMOS LDO (low drop-out) A complete lineup is available offering designers the ability to optimize the ROHM CMOS LDOs are available in compact surface-mount package. very small surface mount packages ROHM CMOS LDO Performance Features High Ripple Rejection assures stable operation Excellent Load Regulation High ESD Resistance even during load fluctuations assures high reliability in any environment Ceramic Capacitor Compatibility Ultra-Low Dropout reduces circuit footprint input/output voltage difference minimizes power loss 0μA Standby Current feature prolongs battery life Precise Regulation maintains selected voltage with ±1% accuracy Protection Circuits Discharge Circuit prevent over-current and overtemperature damage improves stability and reduces external components Automatic Power Saving reduces current during no-load conditions* * BHPB1WHFV 1.888.775.ROHM www.rohmsemiconductor.com 1 CNA09017_sg CMOS LDO Regulators for Portable Devices from ROHM Semiconductor Important Performance Benefits of ROHM CMOS LDOs Automatic Power Saving Function Measurement Conditions ROHM’s Automatic Power Saving Function (BHxxPB1 series) BH12PB1WHFV VCC = 2.2V VSEL = open, VSTBY = 1.5V Vcc Consumption LDO. Under light load conditions, the operating current is reduced from 20 μA to 2 μA, thereby extending battery life. Low Power Consumption LDO SW (During Standby) VOUT Fast Load Response LDO (During Normal Operation) 30 GND current IGND(μA) Automatic switching switches between a fast response LDO and a Low Power Current monitor High-speed response mode 20 10 Low consumption mode 0 0 0.5 Hybrid system 1 1.5 2 2.5 3 Output current IOUT (mA) Foldback Overcurrent Protection Conventional Droop-type Overcurrent Protection Circuit models minimizes the current during abnormal conditions, such as short circuits, preventing damage (along with the integrated thermal shutdown) to both the IC and peripheral ROHM Foldback-type Overcurrent Protection Circuit 3.5 3.5 3 Output voltage (V) Output voltage (V) ROHM’s foldback overcurrent protection provided on all 2.5 2 1.5 1 Large short-circuit currents result in excessive heat generation 0.5 0 100 circuitry. 200 300 400 500 600 700 3 Small short-circuit current prevents damage 2.5 2 1.5 1 0.5 0 100 200 Load current (mA) Built-in Phase Compensation 300 400 500 600 700 Load current (mA) Ripple Rejection Characteristics 100 ROHM CMOS LDOs utilize a high-performance amplifier Ripple Rejection (dB) 90 along with optimized phase compensation circuitry to provide exceptional ripple rejection performance – up to 70 dB (for BHxxLB1 and BHxxFB1 series) and higher (80 dB for 80 70 ROHM 60 50 Conventional 40 30 BHxxNB1 series.) 20 100 1K 10K 100K Frequency (Hz) Conventional ROHM TA2 Series 100mA (Cout = 1.0μF) Iout = 0mA 100 changes. This benefit is fully realized in the performance of OUtput voltage (V) 50 ROHM’s high-speed load response LDOs (BHxxTA2 series) as compared to conventional units. 0 3.020 3.000 2.980 2.960 100mA (Cout = 1.0μF) 100 50 OUtput voltage (V) ROHM LDOs provide exceptional response to fast load Output current (mA) Iout = 0mA 0 3.020 3.000 Output current (mA) Superior Load Response 2.980 2.960 High-speed response ΔV = 20mV ΔV = 98mV Built-in Discharge Function OFF ROHM’s integrated output capacitor discharge function ON OFF STBY (ON/OFF) eliminates the requirement for external blocking diodes to No Power ON Reset function = Unstable operation Residual voltage Output Voltage (Conventional Regulator) prevent reverse voltage upon shutdown and also ensures stable operation upon startup. This function is available on Output Voltage (ROHM CMOS Regulator) Automatic Power Saving (BHxxPB1 series) and High-Speed Voltage discharged Stable operation Time Load Response (BHxxTA2 series) LDOs. 1.888.775.ROHM www.rohmsemiconductor.com 2 CNA09017_sg CMOS LDO Regulators for Portable Devices from ROHM Semiconductor Packaging Solutions of ROHM CMOS LDOs Compact HVSOF5 (LB1/FB1, NB1, PB1 & TA2) The compact, low profile HVSOF5 package is considerably Integrated heat sink ensures high power compatibility: 410mW (Rear) 1.6 (when mounted on a substrate) 1.6 smaller than conventional SC82 or SOT23-5 packages. In SC82 SOT23-5 Conventional type A addition, the backside heatsink enables power disspation (Pd) Conventional type B (Surface) 2.1 of up to 410 mW. (see Design Note on Page 11) 2.0 2.8 1.6 40% 70% 1.6 Smaller 2.9 Smaller [Unit : mm] HVSOF5 Ultra-Compact VCSP60N1 (RB1 Series) SOT23-5 (SSOP5) For the ultimate in space-saving packaging, the VCSP60N1 2.8 Power dissipation 540mW chip-size package (CSP) is unrivaled. High power dissipation 1.0 (when mounted on a substrate) 87.5% 1.04 capability (540 mW) and low package height make this part smaller 0.6 the ideal choice for high-density mounting. 2.9 1.25 [Unit : mm] VCSP60N1 Ultra-Compact SSON004X1216 (TA2 Series) Integrated heat sink ensures high power compatibility: 220mW (Rear) ROHM’s High-Speed Load Response CMOS LDOs are 1.2 (when mounted on a substrate) 1.6 offered in the ultra-compact SSON004X1216 package that HVSOF5 SOT23-5 Conventional A features a very small footprint and integrated heatsink and Conventional B (Surface) 1.6 1.6 exceptional power dissipation (540 mW). 25% 2.8 1.2 76% 1.6 Smaller 2.9 Smaller [Unit: mm] SSON004X1216 Compact, High-Power HSVOF6 (MA3 Series) (Rear) Integrated heat sink ensures high power compatibility: 680mW 1.6 ROHM 300 mA CMOS LDOs (MA3 series and BH6733HFV) 3.0 are packaged in the HSVOF6 package that provides ample margin against surge currents or overloads and has a 2.8 backside heatsink capable of dissipating 680 mW. 2.9 (Surface) 40% Smaller [Unit: mm] 1.888.775.ROHM (when mounted on a substrate) SOT23-5 Conventional type www.rohmsemiconductor.com 3 1.6 3.0 HVSOF6 CNA09017_sg CMOS LDO Regulators Product Lineup Standard CMOS LDO Regulators BHLB1WG Series BHLB1WHFV Series BHFB1WG Series BHFB1WHFV Series 300mA Large Current CMOS LDO Regulators BHMA3WHFV Series BH6733HFV CSP (Chip-Size Package) CMOS LDO Regulators BHRB1WGUT Series High Ripple Rejection CMOS LDO Regulators BHNB1WHFV Series CMOS LDO Regulators with Automatic Power Saving Function BHPB1WHFV Series High Speed Load Response CMOS LDO Regulators BHTA2WNVX Series BHTA2WHFV Series Triple Output CMOS LDO Regulators BU665NUX Series Key Ultra small surface mount package With a shutdown switch Small surface mount package Output current Compact power surface mount package Low operating current Output voltage 2.5Vࠥ3.3V Output voltage 1.2Vࠥ1.85V Triple output 1.888.775.ROHM Temperature protection circuit built-in Automatic power save function Compatible with compact ceramic capacitors High-speed load response Output discharge function built-in Voltage tolerance Ultra-compact chip scale package Standby current Soft start function Ripple rejection 60dB/63dB/65dB/ 70dB/80dB 5kV/6kV/8kV ESD resistance Overcurrent protection circuit Low saturation voltage 60mV/100mV www.rohmsemiconductor.com 4 CNA09017_sg CMOS LDO Regulators for Portable Devices from ROHM Semiconductor Standard CMOS LDO Regulators (BHxxLB1 & BHxxFB1 Series) ROHM’s LB1 series of standard CMOS LDOs features 150 mA output and high output voltage accuracy (±1%). Advanced BiCMOS process technology ensures low current consumption (40 μA) and high ripple rejection (70 dB). BiCMOS Output Stage Important Features Nine output voltages from 1.5 to 3.3 V, including 1.85 V (see page 12 for details) Circuit Current Comparison 1400 1% output accuracy (FB1); ±25 mV (LB1) 150 mA output current 70 dB ripple rejection 5 kV ESD protection 40 μA circuit current (see Figure 1) Ceramic capacitor compatibility (see Design Note below) Circuit Current (μA) 1200 Overcurrent protection — foldback type (50 mA) Thermal shutdown Standby feature STBY input - 0 μA current in standby mode Two package options: Standard SSOP5 (540 mW dissipation) Compact, low-profile (0.6 mm) HVSOF5 (410 mW dissipation) (see package details on page 3) 600 Low consumption 400 40μA 200 ROHM 0 0 50 100 150 Figure 1. The P-channel MOSFET at the output stage of ROHM’s line of Standard CMOS LDOs results in a dramatically lower circuit current than possible with convention bipolar types. Ceramic Capacitors DC Bias Voltage vs. Ceramic Capacitor Capacitance (characteristic example) Ceramic Capacitor Capacitance Change (%) 1.888.775.ROHM Conventional 800 Load Current (mA) DESIGN NOTE 1000 10V Voltage Resistance B1 Characteristics 10 0 10V Voltage Resistance B Characteristics –10 –20 –30 6.3V Voltage Characteristics B Characteristics –40 –50 4V Voltage Characteristics X6S Characteristics –60 –70 –80 10V Voltage Characteristics F Characteristics –90 –100 0 1 2 3 4 The capacitance of ceramic capacitors may decrease due to temperature fluctuations or DC bias making capacitor selection especially important. It is imperative that the minimum capacitance of both the input and output capacitor be confirmed as part of the circuit design. 10V Voltage Resistance F Characteristics DC bias voltage (V) www.rohmsemiconductor.com 5 CNA09017_sg CMOS LDO Regulators for Portable Devices from ROHM Semiconductor 300 mA CMOS LDO Regulators (BHxxMA3 Series / BH6733) ROHM’s MA3 series of high current LDOs regulators features 300 mA output current rating, ±1% output voltage accuracy; 6 mV load regulation and a minimum input/output voltage difference of just 60 mV. The Model BH6733HFV, 3.3 V output LDO, offers the same 300 mA current rating and features soft start and output discharge functions as well. Important Features Eight output voltages from 1.5 to 3.3 V (see page 12 for details) Thermal shutdown Standby feature 1% output accuracy (±25 mV for 1.5 V and 1.8 V output models & ±2% for BH6733HFV) STBY input - 0 μA in standby mode Integrated soft start and discharge functionality – see Figure 3 (BH6733HFV only) HVSOF6 high power dissipation with integrated heat sink — 680 mW 300 mA output current 60 dB ripple rejection (70 dB for BH6733HFV) 6 kV ESD protection (8 kV for BH6733HFV) 65 μA circuit current (90 μA for BH6733HFV) Low package profile — 0.75 mm 6 mV load regulation (MA3 series) Low (0.6 ohm) ON resistance internal FET 60 mV minimum input/output differential (MA3 series) – see Figure 2 Dual output terminals Ceramic capacitor compatibility (see Design Note on page 5) Overcurrent protection — foldback type (100 mA) Low Input/Output Voltage Differential Soft Start & Discharge Functions OFF Input/Output Voltage Difference Comparison ON OFF Input/output voltage difference (V) Application Vcc STBY Vo STBY Startup control Conventional 0.2 4700p SS 4.7μ ROHM 60mV Reliable OFF switching VOUT Discharge 0.1 0 SS Soft start Input/output voltage difference 100 200 Figure 3. Integrated soft start and outout capacitor discharge functionality combine to simplifiy sequence control. 300 Load current (mA) Figure 2. The input output difference of just 60 mV @ 100 mA load current is achieved by optimizing the size of the output transistor for low ON resistance. 1.888.775.ROHM www.rohmsemiconductor.com 6 CNA09017_sg CMOS LDO Regulators for Portable Devices from ROHM Semiconductor Chip-Scale Package CMOS LDO Regulators (BHxxRB1 Series) ROHM’s RB1 series of CSP (Chip-Scale Package) CMOS LDOs is optimized for high density mounting in applications like cell phones and digital cameras where both board space and headroom are severely limited. Important Features Eight output voltages from 1.5 to 3.3 V (see page 12 for details) Ceramic capacitor compatibility (see Design Note on page 5) 1% output accuracy (±25 mV for 1.5 V and 1.8 V output models) Overcurrent protection — foldback type (40 mA) Thermal shutdown 150 mA output current Standby feature 63 dB ripple rejection 5 kV ESD protection Ultra compact, low-profile 4-pin CSP package (see page 14 for dimensional details) 34 μA circuit current (see Figure 6) Mounting area 1/8 of SOT23-5 (see Figure 7) 2 mV load regulation Excellent power dissipation — 540 mW STBY input - 0 μA in standby mode Low package profile — 0.6 mm 100 mV dropout voltage (see Figure 5) High-reliability CSP construction (see Figure 4) High-Reliability Packaging BiCMOS Output Stage Circuit Current Comparison CSP Construction POST structure 1400 No cracking during installation 1200 Overcoat Silicon Circuit current (μA) Ultra-thin Cu POST construction compatible with PCBs 0.6 mm Thickness PCB 1000 Conventional 800 600 Low consumption 400 34μA 200 Small solder balls can be attached to prevent problems during installation ROHM 0 0 50 100 150 Load Current (mA) Figure 4. Extra steps are taken to ensure reliable operation and simplify product placement. Low Input/Output Voltage Differential Figure 6. The P-channel MOSFET at the output stage of ROHM’s line of Standard CMOS LDOs results in a dramatically lower circuit current than possible with convention bipolar types. Low Input/Output Voltage Difference (V) Chip-Scale Package Size Advantage Low Input/Output Voltage Difference SOT23-5 SOT23-5 (SSOP5) (SSOP5) 2.8 400 300 Power dissipation 540mW Power dissipation (when mounted on a substrate) 540mW 1.04 (when mounted on a substrate) Input/output voltage difference 200 100mV Conventional 1.04 0.6 0.6 100 ROHM 50 2.8 87.5% 87.5% smaller smaller 2.9 2.9 1.25 1.25 [Unit : mm] [Unit : mm] 0 1.0 1.0 100 150 VCSP60N1 VCSP60N1 Load current (mA) Figure 5. The input output difference of just 100 mV @ 100 mA load current is achieved by optimizing the size of the output transistor for low ON resistance. 1.888.775.ROHM Figure 7. The VCSP60N1 chip-scale package provides the same power dissipation performance as the much larger SOT23-5 package. www.rohmsemiconductor.com 7 CNA09017_sg CMOS LDO Regulators for Portable Devices from ROHM Semiconductor High Ripple Rejection CMOS LDO Regulators for High Frequency Circuits (BHxxNB1 Series) The NB1 series of ROHM CMOS LDOs includes proprietary phase compensation to achieve 80 dB ripple rejection without the use of external filter capacitors. These devices also offer exceptional line and load regulation performance. Important Features Seven output voltages from 2.5 to 3.3 V (see page 12 for details) Ceramic capacitor compatibility (see Design Note on page 5) 1% output voltage accuracy Overcurrent protection — foldback type (50 mA) 150 mA output current Standby feature 80 dB ripple rejection (see Figure 8) Thermal shutdown 6 kV ESD protection 60 μA circuit current (@ IO = 100 mA) Low-profile HVSOF5 package — 0.6 mm (see page 14 for dimensional details) 6 mV load regulation (see Figure 9) 1 mV line regulation (see Figure 9) 70% less mounting space than SOT23-5 (see page 3) 25 mV load response — ideal for analog circuits STBY input - 0 μA in standby mode High Ripple Rejection without Filter Capacitors Superior Line and Load Regulation Load Regulation Comparison Ripple Rejection Comparison 3.0 ROHM Ripple rejection R.R. (dB) (1kHz) 80 60 ROHM 70dB Conventional 40 20 High-stability ROHM Output voltage (V) 80dB 100 6mV Conventional 11mV 0 50 100 Load current (mA) 100 1K 10K 100K Frequency (Hz) Line Regulation Comparison Figure 8. ROHM high ripple rejection LDOs provide rejection ratios of up to 80 dB without the need for the filter capacitors required with conventional regulators provide. Output voltage (V) 3.010 3mV 3.005 Conventional 3.000 ROHM High stability 1mV 2.995 2.990 3.5 4 4.5 5 5.5 Input voltage (V) Figure 9. ROHM’s proprietary circuitry assures power supply stability with significantly varying load currents or large input voltage variations. 1.888.775.ROHM www.rohmsemiconductor.com 8 CNA09017_sg CMOS LDO Regulators for Portable Devices from ROHM Semiconductor CMOS LDO Regulators with Automatic Power Saving Function (BHxxPB1 Series) The PB1 series of ROHM LDOs features a hybrid system made up of two LDO circuits that are engaged based upon the current load level, thereby reducing the circuit’s current consumption under light load conditions. Important Features Nine output voltages from 1.2 to 3.3 V (see page 13 for details) STBY input - 0 μA in standby mode 1% output accuracy (±25 mV for 1.2 V, 1.5 V and 1.8 V output models)* Output discharge function (see page 2) Ceramic capacitor compatibility (see Design Note on page 5) 10 mV load regulation* Overcurrent protection — foldback type (60 mA) 150 mA output current Standby feature 60 dB ripple rejection* Thermal shutdown 8 kV ESD protection Automatic Power Saving (APS) function (see Figure 10) Thermal shutdown and overcurrent protection active in shutdown mode Low-profile HVSOF5 package — 0.6 mm (see page 14 for dimensional details) 70% less mounting space than SOT23-5 (see page 3) Inrush current protection 2 μA circuit current at no load 20 μA circuit current (@ IO = 100 mA) Very low voltage (1.7 V) input capability (see Figure 11) * high-speed mode Automatic Power Saving Function Very Low Input Voltage Low Voltage Operation Measurement Conditions BH12PB1WHFV VCC = 2.2V VSEL = open, VSTBY = 1.5V Low Power Consumption LDO SW (During Standby) VOUT Fast Load Response LDO (During Normal Operation) Current monitor GND current IGND(μA) Automatic switching Vcc Lithium ion battery 4.2 30 Nickel Hydride Battery High-speed response mode 2.4 1.8 20 Low-voltage operation from 1.7V with sufficient margin 10 2.5 5.5 ROHM conventional products Low consumption mode 0 0 Hybrid system 2.5 1.8 Manganese battery 3.0 0.5 1 1.5 2 2.5 1.7 3 5.5 BH PB1W series Output current IOUT (mA) 0 1 2 3 4 5 Input voltage (V) Figure 10. By continuously monitoring the output current, these devices switch between a fast response LDO and a Low Power Consumption LDO. During standby mode in cell phones and other portable devices, the operating current is reduced from 20 μA to 2 μA thereby extending battery life. 1.888.775.ROHM Figure 11. The PB1 series of ROHM CMOS LDOs features the ability to operate from a voltage source as low as 1.7 volts. www.rohmsemiconductor.com 9 CNA09017_sg CMOS LDO Regulators for Portable Devices from ROHM Semiconductor High-Speed Load Response Regulators (BHxxTA2 Series) The TA2 series of CMOS LDOs is specifically designed for high speed digital circuits and offers exceptional dynamic regulation to assure reliable operation during load changes. Important Features Thirteen output voltages from 1.5 to 3.4 V (see page 13 for details) Overcurrent protection — foldback type (70 mA) Thermal shutdown 1% output accuracy (±25 mV for 1.5 V and1.8 V output models) Standby feature Discharge function Two package options: compact HVSOF5 and very compact SSON004X1216 Low-profile package — 0.6 mm (see page 14 for dimensional details) HVSOF5 - 70% less mounting space than SOT23-5 (see page 3) SSON004X1216- 76% less mounting space than SOT23-5 (see page 3) 20 mV load regulation 200 mA output current 6 kV ESD protection 40 μA circuit current (@ IO = 100 mA) STBY input - 0 μA current in standby mode High speed load response (see Figure 12) Ceramic capacitor compatibility (see Design Note on page 5) High Speed Load Response Fast Load Response Characteristics 2.980 2.960 2.980 0 3.050 3.000 2.950 2.900 Small load fluctuation 2.960 Continuous Load Change High-speed response ΔV = mV 20 Output voltage (V) ΔV = 98mV 3.000 100 3.100 3.050 3.000 2.950 200 100 0 Output current (mA) 3.000 0 3.020 200 Large Load Change Output voltage (V) 0 3.020 50 OUtput current mA) Output voltage (V) 50 100mA (Cout = 1.0μF) 100 OUtput voltage (V) 100 Iout = 0mA Output current (mA) ROHM 100mA (Cout = 1.0μF) OUtput current (mA) Conventional Iout = 0mA Load Response Characteristics Small, continuous load fluctuations Figure 12. In general, in digital ICs, the current switches from 0 to IMAX and vice versa, synchronized with the clock edge. During operation, if VOUT suddenly drops below the operating range a malfunction could occur. ROHM’s line of fast response CMOS LDOs combine a high (200 mA) current rating with exceptional dynamic load regulation. 1.888.775.ROHM www.rohmsemiconductor.com 10 CNA09017_sg CMOS LDO Regulators for Portable Devices from ROHM Semiconductor Triple-Output CMOS LDO Regulators (BU665xNUX Series) ROHM’s BU665xNUX CMOS LDO regulators combine the performace features of the ROHM single-output LDOs in a three-output compact, low-profile package. Several combinations of popular output voltages are available to simplify circuit design to independently regulate voltage to three loads. Block Diagram and Application Circuit Important Features Three output voltages (2.8 V, 1.8 V, 1.5 V) (see page 13 for ouput voltage combinations) 1% output voltage accuracy 200 mA per channel output current (not to exceed package total power diussipation) CIN 70 dB ripple rejection (@ 1.5 V and 1.8 V); 65 dB ripple rejection @ 2.8 V 6 kV ESD protection 10 mV load regulation 1 mV line regulation (see Figure 9) VREF VOUT1 STBY1 STBY COUT OCP VREF VOUT2 STBY2 STBY input - 1 μA in standby mode Low circuit current (see page 13) Ceramic capacitor compatibility (see Design Note on page 5) VIN STBY COUT OCP VREF VOUT3 STBY3 Overcurrent protection — foldback type STBY COUT Thermal shutdown Independant standby feature for each channel Low-profile VSON008X2030 package — 0.6 mm (see page 14 for dimensional details) Power dissipation capacity — 660 mW (see Design Note below) DESIGN NOTE OCP Power Dissipation (mW) Board size X1 x Y1 mm2 Pd1 Board size X2 x Y2 mm2 When calculating the permissible The permissible loss (Pd) will differ loss, ambient temperatue and board depending on the package and board. characterisitcs (board size, copeer foil area) Using only the specified value may result in must be taken into consideration. unexpected and undesired results. The first step is to determine the power consumption (P) of the circuit in question: P = (VIN - VOUT) x IOUT 1.888.775.ROHM Pd2 Pd1TaMAX The published Pd value is based upon operation at 25°C and ROHM “standard” test board. and must be derated as demonstrated in this derating curve. www.rohmsemiconductor.com 11 25 TaMAX TjMAX (˚C) Derating Curve CNA09017_sg CMOS LDO Regulators Part Selection Guide Standard CMOS LDO Regulators BHFB1WG BHFB1WHFVG SERIES BHLB1WG BHLB1WHFVG SERIES SSOP5 Part Number HVSOF5 Output Voltage (V) Output Voltage Accuracy Output Current (mA) Supply Voltage (V) Circuit Current (μA) Ripple Rejection (dB) ESD Resistance (kV) I/O Voltage Difference (mV) Load Regulation (mV) Input Capacitor (μF) Output Capacitor (μF) Shutdown Function Overcurrent Protection Circuit Thermal Shutdown Circuit lo=1 to 100mA BH15LB1WG BH15LB1WHFV 1.5 ±25mV 150 2.5 to 5.5 40 70 5 - 10 0.1 1.0 • • • BH18LB1WG BH18LB1WHFV 1.8 ±25mV 150 2.5 to 5.5 40 70 5 - 10 0.1 1.0 • • • BH1JLB1WG BH1JLB1WHFV 1.85 ±25mV 150 2.5 to 5.5 40 70 5 - 10 0.1 1.0 • • • BH25FB1WG BH25FB1WHFV 2.5 ±1% 150 2.5 to 5.5 40 70 5 250* 10 0.1 2.2 • • • BH28FB1WG BH28FB1WHFV 2.8 ±1% 150 2.5 to 5.5 40 70 5 250* 10 0.1 2.2 • • • BH29FB1WG BH29FB1WHFV 2.9 ±1% 150 2.5 to 5.5 40 70 5 250* 10 0.1 2.2 • • • BH30FB1WG BH30FB1WHFV 3.0 ±1% 150 2.5 to 5.5 40 70 5 250* 10 0.1 2.2 • • • BH31FB1WG BH31FB1WHFV 3.1 ±1% 150 2.5 to 5.5 40 70 5 250* 10 0.1 2.2 • • • BH33FB1WG BH33FB1WHFV 3.3 ±1% 150 2.5 to 5.5 40 70 5 250* 10 0.1 2.2 • • • Discharge Function Soft Start Function • • *lo =100mA BHMA3WHFV SERIES 300mA Large Current CMOS LDO Regulators Part No. HVSOF6 Output Voltage (V) Output Voltage Accuracy Output Current (mA) Supply Voltage (V) Circuit Current (μA) Ripple Rejection (dB) ESD Resistance (kV) I/O Voltage Difference (mV) Load Regulation (mV) Input Capacitor (μF) Output Capacitor (μF) Shutdown Function Overcurrent Protection Circuit Thermal Shutdown Circuit BH15MA3WHFV 1.5 ±25mV 300 2.5 to 5.5 65 60 6 - 6*** 1.0 1.0 • • • BH18MA3WHFV 1.8 ±25mV 300 2.5 to 5.5 65 60 6 - 6*** 1.0 1.0 • • • BH25MA3WHFV 2.5 ±1% 300 2.5 to 5.5 65 60 6 60* 6*** 1.0 1.0 • • • BH28MA3WHFV 2.8 ±1% 300 2.5 to 5.5 65 60 6 60* 6*** 1.0 1.0 • • • BH29MA3WHFV 2.9 ±1% 300 2.5 to 5.5 65 60 6 60* 6*** 1.0 1.0 • • • BH30MA3WHFV 3.0 ±1% 300 2.5 to 5.5 65 60 6 60* 6*** 1.0 1.0 • • • BH31MA3WHFV 3.1 ±1% 300 2.5 to 5.5 65 60 6 60* 6*** 1.0 1.0 • • • BH33MA3WHFV 3.3 ±1% 300 2.5 to 5.5 65 60 6 60* 6*** 1.0 1.0 • • • BH6733HFV 3.3 ±2% 300 2.5 to 5.5 90 70 8 700** 20**** 4.7 4.7 • • • *lo =100mA; **lo =300mA; ***lo =1 to 100mA; ****lo =1 to 300mA CSP (Chip Size Package) CMOS LDO Regulators for High Density Mounting BHRB1WGUT SERIES Part No. VCSP60N1 Output Voltage (V) Output Voltage Accuracy Output Current (mA) Supply Voltage (V) Circuit Current (μA) Ripple Rejection (dB) ESD Resistance (kV) I/O Voltage Difference (mV) Load Regulation lo=1 to 100mA (mV) Input Capacitor (μF) Output Capacitor (μF) Shutdown Function Overcurrent Protection Circuit Thermal Shutdown Circuit BH15RB1WGUT 1.5 ±25mV 150 2.5 to 5.5 34 63 5 - 2 1.0 1.0 • • • BH18RB1WGUT 1.8 ±25mV 150 2.5 to 5.5 34 63 5 - 2 1.0 1.0 • • • BH25RB1WGUT 2.5 ±1% 150 2.5 to 5.5 34 63 5 100* 2 1.0 1.0 • • • BH28RB1WGUT 2.8 ±1% 150 2.5 to 5.5 34 63 5 100* 2 1.0 1.0 • • • BH29RB1WGUT 2.9 ±1% 150 2.5 to 5.5 34 63 5 100* 2 1.0 1.0 • • • BH30RB1WGUT 3.0 ±1% 150 2.5 to 5.5 34 63 5 100* 2 1.0 1.0 • • • BH31RB1WGUT 3.1 ±1% 150 2.5 to 5.5 34 63 5 100* 2 1.0 1.0 • • • BH33RB1WGUT 3.3 ±1% 150 2.5 to 5.5 34 63 5 100* 2 1.0 1.0 • • • *lo =100mA High Ripple Rejection CMOS LDO Regulators for High Frequency Circuits BHNB1WHFV SERIES Part No. HVSOF6 Output Voltage (V) Output Voltage Accuracy Output Current (mA) Supply Voltage (V) Circuit Current (μA) Ripple Rejection (dB) ESD Resistance (kV) I/O Voltage Difference (mV) Load Regulation (mV) Input Capacitor (μF) Output Capacitor (μF) Shutdown Function Overcurrent Protection Circuit Thermal Shutdown Circuit lo=1 to 100mA BH25NB1WHFV 2.5 ±1% 150 2.5 to 5.5 60 80 6 250* 6 0.1 2.2 • • • BH28NB1WHFV 2.8 ±1% 150 2.5 to 5.5 60 80 6 250* 6 0.1 2.2 • • • BH2JNB1WHFV 2.85 ±1% 150 2.5 to 5.5 60 80 6 250* 6 0.1 2.2 • • • BH29NB1WHFV 2.9 ±1% 150 2.5 to 5.5 60 80 6 250* 6 0.1 2.2 • • • BH30NB1WHFV 3.0 ±1% 150 2.5 to 5.5 60 80 6 250* 6 0.1 2.2 • • • BH31NB1WHFV 3.1 ±1% 150 2.5 to 5.5 60 80 6 250* 6 0.1 2.2 • • • BH33NB1WHFV 3.3 ±1% 150 2.5 to 5.5 60 80 6 250* 6 0.1 2.2 • • • *lo =100mA 1.888.775.ROHM www.rohmsemiconductor.com 12 CNA09017_sg CMOS LDO Regulators Part Selection Guide BHPB1WHFV SERIES CMOS LDO Regulators with Automatic Power Saving Function Part No. HVSOF5 Output Voltage (V) Output Voltage Accuracy Output Voltage Accuracy Output Current (mA) Supply Voltage (V) Circuit Current high speed mode (μA) Circuit Current Ripple Rejection ESD low consumption high speed Resistance mode (μA) mode (dB) (kV) I/O Voltage Difference (mV) Load Regulation (mV) Input Capacitor (μF) Output Capacitor (μF) Shutdown Function lo=10 to 100mA Overcurrent Thermal Protection Shutdown Discharge Function Circuit Circuit BH12PB1WHFV 1.2 ±25mV -3.3% to +4.3% 150 1.7 to 5.5 20 2 60 8 - 10 0.47 0.47 • • • • BH15PB1WHFV 1.5 ±25mV -3.3% to +4.3% 150 1.7 to 5.5 20 2 60 8 - 10 0.47 0.47 • • • • BH18PB1WHFV 1.8 ±25mV -3.3% to +4.3% 150 1.7 to 5.5 20 2 60 8 - 10 0.47 0.47 • • • • BH25PB1WHFV 2.5 ±1% -3.0% to +3.8% 150 1.7 to 5.5 20 2 60 8 210* 10 0.47 0.47 • • • • BH28PB1WHFV 2.8 ±1% -3.0% to +3.8% 150 1.7 to 5.5 20 2 60 8 210* 10 0.47 0.47 • • • • BH29PB1WHFV 2.9 ±1% -3.0% to +3.8% 150 1.7 to 5.5 20 2 60 8 210* 10 0.47 0.47 • • • • BH30PB1WHFV 3.0 ±1% -3.0% to +3.8% 150 1.7 to 5.5 20 2 60 8 210* 10 0.47 0.47 • • • • BH31PB1WHFV 3.1 ±1% -3.0% to +3.8% 150 1.7 to 5.5 20 2 60 8 210* 10 0.47 0.47 • • • • BH33PB1WHFV 3.3 ±1% -3.0% to +3.8% 150 1.7 to 5.5 20 2 60 8 210* 10 0.47 0.47 • • • • *(lo =100mA) High Speed Load Response CMOS LDO Regulators BHTA2WHFV SERIES BHTA2WNVX SERIES Part Number HVSOF5 SSON004X1216 Output Voltage (V) Output Voltage Accuracy Output Current (mA) Supply Voltage (V) Circuit Current (μA) Ripple Rejection (dB) ESD Resistance (kV) I/O Voltage Difference (mV) Load Regulation (mV) Input Capacitor (μF) Output Capacitor (μF) Shutdown Function lo=0.1 to 200mA Overcurrent Thermal Protection Shutdown Circuit Circuit Discharge Function BU15TA2WHFV BU15TA2WNVX 1.5 ±25mV 200 2.5 to 5.5 40 70 6 - 20 1.0 1.0 • • • • BU18TA2WHFV BU18TA2WNVX 1.8 ±25mV 200 2.5 to 5.5 40 70 6 - 20 1.0 1.0 • • • • BU25TA2WHFV BU25TA2WNVX 2.5 ±1% 200 2.5 to 5.5 40 65 6 400 20 1.0 1.0 • • • • BU26TA2WHFV BU26TA2WNVX 2.6 ±1% 200 2.5 to 5.5 40 65 6 400 20 1.0 1.0 • • • • BU27TA2WHFV BU27TA2WNVX 2.7 ±1% 200 2.5 to 5.5 40 65 6 360 20 1.0 1.0 • • • • BU28TA2WHFV BU28TA2WNVX 2.8 ±1% 200 2.5 to 5.5 40 65 6 360 20 1.0 1.0 • • • • BU2JTA2WHFV BU2JTA2WNVX 2.85 ±1% 200 2.5 to 5.5 40 65 6 360 20 1.0 1.0 • • • • BU29TA2WHFV BU29TA2WNVX 2.9 ±1% 200 2.5 to 5.5 40 65 6 330 20 1.0 1.0 • • • • BU30TA2WHFV BU30TA2WNVX 3.0 ±1% 200 2.5 to 5.5 40 65 6 330 20 1.0 1.0 • • • • BU31TA2WHFV BU31TA2WNVX 3.1 ±1% 200 2.5 to 5.5 40 65 6 330 20 1.0 1.0 • • • • BU32TA2WHFV BU32TA2WNVX 3.2 ±1% 200 2.5 to 5.5 40 65 6 300 20 1.0 1.0 • • • • BU33TA2WHFV BU33TA2WNVX 3.3 ±1% 200 2.5 to 5.5 40 65 6 300 20 1.0 1.0 • • • • BU34TA2WHFV BU34TA2WNVX 3.4 ±1% 200 2.5 to 5.5 40 65 6 300 20 1.0 1.0 • • • • Triple Output CMOS LDO Regulators Output Voltage (V) Output Voltage Accuracy Output Current (mA) Supply Voltage (V) Circuit Current (μA) Ripple Rejection high speed mode (dB) I/O Voltage Difference (mV) Load Regulation (mV) Input Capacitor (μF) Output Capacitor (μF) Shutdown Function Overcurrent Protection Circuit Thermal Shutdown Circuit Discharge Function BU6650NUX 2.8 2.8 1.8 ±1% ±1% ±25mV 200 2.5 to 5.5 120 65 65 70 360 360 - 10 2.2 1.0 • • • • BU6651NUX 2.8 1.8 1.5 ±1% ±25mV ±25mV 200 2.5 to 5.5 120 65 70 70 360 - 10 2.2 1.0 • • • • BU6652NUX 2.8 2.8 1.5 ±1% ±1% ±25mV 200 2.5 to 5.5 120 65 65 70 360 360 - 10 2.2 1.0 • • • • BU6653NUX 2.8 1.8 1.8 ±1% ±25mV ±25mV 200 2.5 to 5.5 120 65 70 70 360 - 10 2.2 1.0 • • • • BU665NUX SERIES Part No. VSON008X2030 1.888.775.ROHM lo=10 to 100mA www.rohmsemiconductor.com 13 CNA09017_sg CMOS LDO Regulators Package Dimensions SSOP5 (SOT23-5) HVSOF5 2.9 0.6Max. 1.2 0.95 [Unit : mm] 1 - VIN 2 - GND 3 - STBY 4 - NC 5 - VOUT 1 2 3 HVSOF5: 1 - STBY 2 - GND 3 - VIN 0.27 2 0.25 1.00 0.5 4 - NOISE 5 - GND 6 - STBY [Unit : mm] VCSP60N1: SSON004X1216 VSON008X2030 1 PIN MARK 0.6Max. (0.12) 0.6 Max 0.02 0.75 Lot No. 0.3 ± 0.1 0.8 4 3 0.5 C 0.25 Device Mark a 1.6 0.2 0.2 1.5 ± 0.1 2.0 ± 0.1 1.2 1 2 3 4 8 7 6 5 0.25 1.888.775.ROHM 0.25 +0.05 -0.04 (0.12) 0.02 +0.03 -0.02 0.08 S [Unit : mm] [Unit : mm] SSON004X1216: 1.4 ± 0.1 0.65 1 2 A1 - GND B2 - VIN A2 - STBY B1 - VOUT 3.0 ± 0.1 1 - VIN 2 - VOUT 3 - VOUT 0.5 1 0.6 1.04 [Unit : mm] (BHxxMA3WHFV) 4 - VOUT 5 - NC B A 0.22 0.5 HVSOF6: 0.13 [Unit : mm] 0.21 0.75Max. 0.145 (0.15) 3.0 2.6 (1.4) 3 2 1 VCSP60N1 (1.2) 1 2 3 5 0.22 0.5 (0.45) (1.5) 1.6 4 (0.91) 4 HVSOF6 6 5 4 0.2Max. 0.3 5 (0.41) 3 0.42 SSOP5: 0.8 1.6 2 0.13 0.05 1.25Max. 1.1 1 (0.05) 0.2Min. 4 1.6 2.8 5 1.6 1.0 1 - VOUT 2 - GND 3 - STBY 4 - VIN VSON008X2030: 1 - VIN 2 - STBY1 3 - STBY2 4 - STBY3 www.rohmsemiconductor.com 14 5 - GND 6 - VOUT3 7 - VOUT2 8 - VOUT1 CNA09017_sg 10145 Pacific Heights Blvd., Suite 1000 San Diego, CA 92121 www.rohmsemiconductor.com | 1.888.775.ROHM NOTE: For the most current product information, contact a ROHM sales representative in your area. ROHM assumes no responsibility for the use of any circuits described herein, conveys no license under any patent or other right, and makes no representations that the circuits are free from patent infringement. Specifications subject to change without notice for the purpose of improvement. The products listed in this catalog are designed to be used with ordinary electronic equipment or devices (such as audio visual equipment, office-automation equipment, communications devices, electrical appliances and electronic toys). Should you intend to use these products with equipment or devices which require an extremely high level of reliability and the malfunction of which would directly endanger human life (such as medical instruments, transportation equipment, aerospace machinery, nuclear-reactor controllers, fuel controllers and other safety devices), please be sure to consult with our sales representative in advance. © 2009 ROHM Semiconductor USA, LLC. Although every effort has been made to ensure accuracy, ROHM accepts no responsibility for errors or omissions. Specifications and product availability may be revised without notice. No part of this document represents an offer or contract. Industry part numbers, where specified, are given as an approximate comparative guide to circuit function only. Consult ROHM prior to use of components in safety, health or life-critical systems. All trademarks acknowledged. CNA09017_sg