NJM2867/68 LOW DROPOUT VOLTAGE REGULATOR GENERAL DESCRIPTION The NJM2867/68 is a 100mA output low dropout voltage regulator with ON/OFF control. Advanced Bipolar technology achieves low noise, high ripple rejection and low quiescent current. Small packaging, 0.1µF small decoupling capacitor, built-in noise bypass capacitor make the NJM2865/66 suitable for space conscious applications. PACKAGE OUTLINE NJM2867F3 NJM2867F/NJM2868F FEATURES High Ripple Rejection 75dB typ. (f=1kHz Vo=3V Version) Output Noise Voltage Vno=40µVrms typ. Output capacitor with 0.1µF ceramic capacitor (Vo≥2.8V) Output Current Io(max.)=100mA High Precision Output Vo±1.0% Low Dropout Voltage 0.10V typ. (Io=60mA) ON/OFF Control (Active High) Internal Short Circuit Current Limit Internal Thermal Overload Protection Bipolar Technology Package Outline SC88A (NJM2867F3), SOT-23-5 (NJM2867F/NJM2868F) PIN CONFIGURATION 5 4 1 2 3 PIN FUNCTION 1.CONTROL 2.GND 3.NC 4.VOUT 5.VIN NJM2867F/NJM2867F3 5 4 1 2 3 PIN FUNCTION 1. VIN 2.GND 3.CONTROL 4.NC 5.VOUT NJM2868F EQUIVALENT CIRCUIT VIN VOUT Control Thermal Protection Bandgap Reference GND Ver.2004-12-22 -1- NJM2867/68 OUTPUT VOLTAGE RANK LIST NJM2867 Device Name NJM2867F3-/F21 NJM2867F3-/F24 NJM2867F3-/F25 NJM2867F3-/F26 NJM2867F3-/F28 VOUT 2.1V 2.4V 2.5V 2.6V 2.8V Device Name NJM2867F3-/F29 NJM2867F3-/F03 NJM2867F3-/F31 NJM2867F3-/F32 NJM2867F3-/F33 VOUT 2.9V 3.0V 3.1V 3.2V 3.3V Device Name NJM2867F3-/F34 NJM2867F3-/F38 NJM2867F3-/F05 VOUT 3.4V 3.8V 5.0V NJM2868 Device Name NJM2868F21 NJM2868F24 NJM2868F25 NJM2868F26 NJM2868F28 VOUT 2.1V 2.4V 2.5V 2.6V 2.8V Device Name NJM2868F29 NJM2868F03 NJM2868F31 NJM2868F32 NJM2868F33 VOUT 2.9V 3.0V 3.1V 3.2V 3.3V Device Name NJM2868F34 NJM2868F38 NJM2868F05 VOUT 3.4V 3.8V 5.0V ABSOLUTE MAXIMUM RATINGS PARAMETER SYMBOL Input Voltage VIN Control Voltage VCONT (Ta=25°C) UNIT V V RATINGS +14 +14(*1) SC88A 250(*2) Power Dissipation PD mW 200(*3) SOT-23-5 350(*2) Operating Temperature °C Topr -40∼+85 Storage Temperature °C Tstg -40∼+125 (*1): When input voltage is less than +14V, the absolute maximum control voltage is equal to the input voltage. (*2): Mounted on glass epoxy board based on EIA/JEDEC. (114.3x76.2x1.6mm: 2Layers) (*3): Device itself. -2- Ver.2004-12-22 NJM2867/68 ELECTRICAL CHARACTERISTICS (VIN=Vo+1V, CIN=0.1µF, Co=0.1µF(2.3V<Vo≤2.8V : Co=0.22µF, Vo≤2.3V:Co=0.47µF), Ta=25°C) PARAMETER SYMBOL TEST CONDITION MIN. TYP. Output Voltage Vo Io=30mA -1.0% − Quiescent Current IQ Io=0mA, expect Icont 120 − Quiescent Current VCONT=0V IQ(OFF) − − at Control OFF Output Current Io Vo-0.3V 100 130 Line Regulation ∆Vo/∆VIN VIN=Vo+1V ∼ Vo+6V, Io=30mA − − Load Regulation ∆Vo/∆Io Io=0 ∼ 60mA − − Io=60mA 0.10 Dropout Voltage ∆VI−O − ein=200mVrms,f=1kHz, Io=10mA, Ripple Rejection RR 75 − Vo=3V Version Average Temperature Coefficient of Output ∆Vo/∆Ta Ta=0 ∼ 85°C, Io=10mA ± 50 − Voltage f=10Hz ∼ 80kHz, Io=10mA, Output Noise Voltage VNO 40 − Vo=3V Version Control Voltage for 1.6 VCONT(ON) − ON-state Control Voltage for VCONT(OFF) − − OFF-state The above specification is a common specification for all output voltages. Therefore, it may be different from the individual specification for a specific output voltage. MAX. +1.0% 180 UNIT V µA 100 nA − 0.10 0.03 0.18 mA %/V %/mA V − dB − ppm/°C − µVrms − V 0.6 V TEST CIRCUIT A IIN VIN VIN 0.1µF A V VCONT *4 Ver.2004-12-22 ICONT VOUT NJM2867/68 0.1µF *4 (ceramic) IOUT V VOUT CONTROL GND 2.3V<Vo≤2.8V version: Co=0.22µF(ceramic) Vo≤2.3V version: 0.47µF(ceramic) -3- NJM2867/68 TYPICAL APPLICATION 1 In the case where ON/OFF Control is not required: VIN VIN 0.1µF VOUT NJM2867/68 VOUT 0.1µF *5 R (0~300kΩ) CONTROL GND *5 2.3V<Vo≤2.8V version: Co=0.22µF Vo≤2.3V version: 0.47µF Connect control terminal to VIN terminal The quiescent current can be reduced by using a resistance “R”. Instead, it increases the minimum operating voltage. For further information, please refer to Figure “Output Voltage vs. Control Voltage”. 2 In use of ON/OFF CONTROL: VIN VIN VOUT NJM2867/68 0.1µF VOUT 0.1µF *5 R CONTROL GND *5 2.3V<Vo≤2.8V version: Co=0.22µF Vo≤2.3V version: 0.47µF State of control terminal: •“H”→ output is enabled. •“L” or “open” → output is disabled. -4- Ver.2004-12-22 NJM2867/68 POWER DISSIPATION vs. AMBIENT TEMPERATURE NJM2867/68F Power Dissipation (Topr=-40～+85℃,Tj=125℃,PD=200mW(Ta≦25℃)) Power Dissipation PD(mW) 500 On Board(114.3×76.2×1.6mm, FR-4) 400 300 Device itself 200 100 0 -50 -25 0 25 50 75 100 Ambient Temperature Ta(℃) NJM2867F3 Power Dissipation (Topr=-40～+85℃,Tj=125℃) Power Dissipation PD(mW) 500 400 300 On Board(114.3×76.2×1.6mm, FR-4) 200 100 0 -50 -25 0 25 50 75 100 Ambient Temperature Ta(℃) Ver.2004-12-22 -5- NJM2867/68 ELECTRICAL CHARACTERISTICS NJM2867/68_3.0V Output Voltage vs. Input Voltage 3.2 NJM2867/68_3.0V Output Voltage vs. Output Current 4 o @:Ta=25 C Co=0.1µF(Ceramic) 3.5 3.1 Output Voltage : Vo(V) Output Voltage : Vo(V) 3 Io=0A 3 2.9 Io=30mA 2.5 2 1.5 1 2.8 Io=100mA 2.7 2.7 o @:Ta=25 C V IN=4.0V Co=0.1µF(Ceramic) 0.5 0 2.8 2.9 3 3.1 3.2 3.3 3.4 0 50 100 150 200 Output Current : Io(mA) Input Voltage : V IN(V) NJM2867/68_3.0V Ground Pin Current v.s. Output Current 20 NJM2867/68_3.0V Dropout Voltage vs. Output Current 0.3 o o @:Ta=25 C Co=0.1µF(Ceramic) @:Ta=25 C V IN=4.0V Co=0.1µF(Ceramic) 0.25 Dropout Voltage:dVI-O (V) Ground Pin Current : IGND (mA) 15 10 5 0.2 0.15 0.1 0.05 0 0 0 50 100 0 150 50 Output Current : I O(mA) NJM2867/68_3.0V Control Current vs. Control Voltage 60 100 150 Output Current:Io(mA) NJM2867/68_3.0V Output Voltage vs. Control Voltage 4 o @:Ta=25 C V IN=4.0V Co=0.1µF(Ceramic) Io=30mA 50 3.5 Rc=0Ω Output Voltage : Vo(V) 40 Control Current : I Cont (mA) 3 30 Rc=50kΩ 20 Rc=0Ω Rc=100kΩ 2.5 Rc=50kΩ 2 1.5 Rc=100kΩ 1 o 10 @:Ta=25 C V IN=4.0V Co=0.1µF(Ceramic) Io=30mA 0.5 0 0 0 1 2 Control Voltage : V Cont(V) -6- 3 4 0 0.5 1 1.5 2 2.5 3 Control Voltage : V Cont(V) Ver.2004-12-22 NJM2867/68 ELECTRICAL CHARACTERISTICS NJM2867/68_3.0V Load Regulation vs. Output Current 0 NJM2867/68_3.0V Peak Output Current vs. Input Voltage 200 -20 Peak Output Current : IoMAX(mA) Load Regulation : dVo/dIo(mV) -10 -30 -40 -50 -60 150 100 50 o -70 @:Ta=25 C VIN=4.0V Co=0.1µF(Ceramic) o @:Ta=25 C Co=0.1µF(Ceramic) -80 0 0 50 100 150 4 6 8 10 NJM2867/68_3.0V Quiescent Current v.s. Input Voltage o o @:Ta=25 C Output is open. Co=0.1µF(Ceramic) including Icont Output Noise Voltage : Vn(mVrms) @:Ta=25 C VIN=4.0V LPF:80kHz Quiescent Current : IQ (mA) 1500 1000 500 80 Co=0.1µF 60 Co=0.22µF 40 20 0 0 5 14 NJM2867/68_3.0V Output Noise Voltage vs. Output Current 100 2000 0 12 Input Voltage : VIN(V) Output Current : Io(mA) 10 15 Input Voltage : VIN(V) 1m 10m 100m 1m 10m 100m Output Current : Io(A) NJM2867/68_3.0V Ripple Rejection Ratio v.s. Frequency 100 Io=0mA Ripple Rejection Ratio : RR (dB) 90 Io=10mA 80 70 60 Io=30mA 50 40 o @:Ta=25 C V IN=4.0V ein=200mVrms Co=0.1µF(Ceramic) 30 20 10 10 100 100 1k 1000 4 10k 10 5 100k 10 Frequency : f (Hz) Ver.2004-12-22 -7- NJM2867/68 ELECTRICAL CHARACTERISTICS NJM2867/68_3.0V Ripple Rejection vs. Output Current 100 NJM2867/68_3.0V Equivalent Serise Resistance vs. Output Current 100 o @:Ta=25 C Co=0.1µF(Ceramic) Equivalent Serise Resistance : ESR(Ω ) 90 f=1kHz Ripple Rejection : RR (dB) 80 70 f=10kHz 60 50 40 o @:Ta=25 C VIN=4.0V ein=200mVrms Co=0.1µF(Ceramic) 30 20 0.001 10 STABLE REGION 1 0.1 0.01 0.1 1 10 1m 100 10m 10m 100m Output Current : Io(A) NJM2867/68_3.0V Dropout Voltage v.s. Temperature 0.3 1m 100m Output Current : Io(mA) NJM2867/68_3.0V Control Voltage v.s. Temperature 3 @:Io=60mA Co=0.1µF(Ceramic) 2.5 Control Voltage : VCONT(ON) (V) Dropout Voltage:dVI-O (V) 0.25 0.2 0.15 0.1 2 1.5 1 0.5 0.05 @:VIN=4.0V Io=30mA Co=0.1µF(Ceramic) 0 0 -50 0 50 100 -50 150 0 100 150 Temperature : Ta ( C) NJM2867/68_3.0V Output Voltage v.s. Temperature 3.1 50 o o Temperature : Ta ( C) NJM2867/68_3.0V Quiescent Current v.s. Temperature 250 @:VIN=4.0V Io=30mA Co=0.1µF(Ceramic) 200 Quiescent Current : IQ (mA) Output Voltage Vo (V) 3.05 3 2.95 150 100 50 @:VIN=4.0V Output is open. Co=0.1µF(Ceramic) 2.9 -50 0 50 100 o Temperature Ta ( C) -8- 150 0 -50 0 50 100 150 o Temperature : Ta ( C) Ver.2004-12-22 NJM2867/68 ELECTRICAL CHARACTERISTICS NJM2867/68_3.0V Line Regulation v.s. Temperature 0.1 NJM2867/68_3.0V Load Regulation v.s. Temperature 0.03 @:VIN=4.0V Io=0.60mA Co=0.1µF(Ceramic) @:dV IN=4.0-9.0V Io=30mA Co=0.1µF(Ceramic) Load Regulation : dVo/dIo (%/mA) 0 -0.05 -0.1 -50 0.02 0.015 0.01 0.005 0 0 50 100 -50 150 0 @:VIN=4.0V Output is short to ground. Co=0.1µF(Ceramic) Short Circuit Current : ISC (mA) Output Voltage Vo (V) 3 2.5 2 1.5 1 150 100 50 @:VIN=4.0V Io=30mA Co=0.1µF(Ceramic) 0.5 0 -50 0 50 100 150 0 200 -50 o 0 7 5 6 0 4 -5 3 -10 Output Voltage 2 -15 o @:Ta=25 C VDD=4.0V Co=0.1µF(Ceramic) Io=30mA -1 0 4 8 12 Time : t [mS] 16 20 10 5 Control Voltage 5 Output Voltage : Vo [V] Control Voltage 10 Control Voltage : Vo [V] 6 0 150 NJM2867/68_3.0V ON/OFF Transient Response without load 7 1 100 Temperature : Ta ( C) NJM2867/68_3.0V ON/OFF Transient Response 5 50 o Temperature Ta ( C) Output Voltage : Vo [V] 150 NJM2867/68_3.0V Short Circuit Current v.s. Temperature 200 3.5 Ver.2004-12-22 100 Temperature : Ta ( C) NJM2867/68_3.0V Output Voltage v.s. Temperature 4 50 o o Temperature : Ta ( C) 0 4 -5 3 -10 Output Voltage 2 -20 1 -25 0 -30 -1 -15 Control Voltage : Vo [V] Line Regulation : dVo/dIo (%/V) 0.025 0.05 -20 @:Ta=25oC VDD=4.0V Co=0.1µF(Ceramic) Io=0mA -25 -30 0 0.4 0.8 1.2 Time : t [mS] 1.6 2 -9- NJM2867/68 ELECTRICAL CHARACTERISTICS NJM2867/68_3.0V Line Transient Response NJM2867/68_3.0V Load Transient Response 50 3.1 0 3.05 -50 Output Voltage 3 -100 2.95 o @:Ta=25 C VDD=4.0V Co=0.1µF(Ceramic) 2.9 2.85 0 40 80 120 Time : t [µ µ S] 160 6 Input Voltage 3.06 Output Voltage : Vo [V] 3.15 7 3.08 100 Output Current Output Current : Io [mA] 3.2 Output Voltage : Vo [V] 3.1 150 5 3.04 4 3.02 3 Output Voltage 3 -150 2.98 -200 2.96 -250 200 2.94 2 1 o @:Ta=25 C VDD=4.0V Co=0.1µF(Ceramic) Io=30mA 0 40 80 120 Time : t [µ µ S] Input Voitage : VIN [V] 3.25 0 160 -1 200 [CAUTION] The specifications on this databook are only given for information , without any guarantee as regards either mistakes or omissions. The application circuits in this databook are described only to show representative usages of the product and not intended for the guarantee or permission of any right including the industrial rights. - 10 - Ver.2004-12-22