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NJU7660A Dataheets PDF



Part Number NJU7660A
Manufacturers New Japan Radio
Logo New Japan Radio
Description VOLTAGE CONVERTER
Datasheet NJU7660A DatasheetNJU7660A Datasheet (PDF)

NJU7660A VOLTAGE CONVERTER  GENERALDESCRIPTION NJU7660A is a CMOS switched capacitor, voltage converter designed to be an Improved direct replacement of popular 7660/1044. NJU7660A provides several voltage conversion functions. The application circuit of negative voltage (VOUT= -VIN) converter requires only two capacitors, and positive twofold voltage(VOUT=2VIN) converter requires two capacitors and two diodes as external components.  PACKAGE OUTLINE NJU7660AM NJU7660AV  FEATURES  Ful.

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NJU7660A VOLTAGE CONVERTER  GENERALDESCRIPTION NJU7660A is a CMOS switched capacitor, voltage converter designed to be an Improved direct replacement of popular 7660/1044. NJU7660A provides several voltage conversion functions. The application circuit of negative voltage (VOUT= -VIN) converter requires only two capacitors, and positive twofold voltage(VOUT=2VIN) converter requires two capacitors and two diodes as external components.  PACKAGE OUTLINE NJU7660AM NJU7660AV  FEATURES  Full Compatible with NJU7660  Correspond to MLCC and electrolytic capacitor  Twofold positive Output  Polarity-converted Negative voltage Output  Operating voltage range :+1.5V to +10V(for Negative voltage converter)  High-efficiency voltage conversion rate :+3.0V to +10V(for Twofold voltage converter) :99.9%(No load, Negative voltage converter)  Few external components :2 capacitors(Negative voltage converter) :2 capacitors, 2diode(Twofold voltage converter)  Package Outline :DMP8, SSOP8  CMOS Technology  PIN CONFIGURATION 18 27 36 45 NJU7660AM NJU7660AV PIN FUNCTION 1. N.C. 2. C+ :Non Connection :Charge pump Capacitor(+) Connecting pin 3. GND 4. C- :Ground pin :Charge pump Capacitor(-) Connecting pin 5. VOUT 6. VR :Voltage Output pin :Voltage Regulator Control pin 7. OSC 8. V+ :Oscillation Capacitor Connecting pin :Power Supply pin  PRODUCT CLASSIFICATION Device Name NJU7660A NJU7660B Oscillation Frequency 5kHz typ. 200kHz typ. Output Resistance 55 typ. 30 typ. Operating Current 40A typ. 800A typ. C1/C2 capacitor 10F 1F Status M.P PLAN Ver.2014-05-20 -1- NJU7660A  BLOCK DIAGRAM Oscillator 2 Voltage Level Converter V C C Power Source OSC VR GND Q4 Q1 Q3 VOUT Q2 Logic Circuit  ABSOLUTE MAXIMUM RATINGS (Ta=25C) PARAMETER Supply Voltage OSC Pin Voltage VR Pin Voltage VR Pin Current (*3) Output Short Power Dissipation Junction Temperature Range Operating Temperature Range Storage Temperature Range SYNBOL V+ VOSC VVR IVR PD Tj Topr Tstg RATINGS 10.5 -0.3 ~ (V+ +0.3) @ V+ < 5.5 (V+ -5.5) ~ (V+ +0.3) @ V+ > 5.5 -0.3 ~ (V+ +0.3) @ V+ < 5.5 (V+ -5.5) ~ (V+ +0.3) @ V+ > 5.5 20 CONTINUITY @ V+ < 5.5 DMP8 470(*1) 600(*2) SSOP8 410(*1) 510(*2) - 40 ~ +150 - 40 ~ + 85 - 40 ~ +150 UNIT V V V A mW °C °C °C (*1): Mounted on glass epoxy board. (76.2 114.3 1.6mm:based on EIA/JDEC standard, 2Layers) (*2): Mounted on glass epoxy board. (76.2 114.3 1.6mm:based on EIA/JDEC standard, 4Layers,internal Cu area: 74.2 74.2mm) (*3): Connecting any input terminal to voltages greater than V+ or less than GND may cause destructive latchup. It is recommended that no inputs from sources operating from external supplies be applied prior to “power-up” of the NJU7660A  INPUT VOLTAGE RANGE V+=1.5V to 10V (for Negative Voltage Converter) V+=3.0V to 10V (for Twofold Voltage Converter) -2- Ver.2014-05-20 NJU7660A  ELECTRICAL CHARACTERISTICS PARAMETER Operating Current Operating Voltage 1 (Without Dx) Operating Voltage 2 (With Dx) Output Resistance Oscillation Frequency Power Conversion Rate Voltage Conversion Rate Oscillation Circuit Impedance SYMBOL I+ V+H1 V+L1 V+H2 V+L2 Ro Fo PEF VEF Zosc (Unless otherwise noted, V+=5.0V, COSC=0, Ta=25C TEST CONDITION MIN. TYP. MAX. UNIT RL= RL=10k VR=OPEN VR=GND RL=10k VR=OPEN VR=GND IOUT=20mA V+=2V, IOUT=3mA, VR=GND RL=5k RL= V+=2V V+=5V - 40 130 A 3.0 - 6.5 V 1.5 - 3.5 V 3.0 - 10 V 1.5 - 3.5 V - 55 100  - - 300  - 5 - kHz 90 98 - % 97 99.9 - % - 1.0 - 0.1 - M (*4): The twofold voltage converter operates over 3.0V Ver.2014-05-20 -3- NJU7660A  POWER DISSIPATION vs. AMBIENT TEMPERATURE NJU7660AM Pow erDissipation (Topr=-40~+85°C,Tj=150°C) 800 on 4 layers board 600 Power Dissipation PD(mW) 400 on 2 layers board 200 0 -50 -25 0 25 50 75 Temperature : Ta(°C) 100 125 150 Power Dissipation PD(mW) NJU7660AV PowerDissipation (Topr=-40~+85°C,Tj=150°C) 800 600 on 4 layers board 400 on 2 layers board 200 0 -50 -25 0 25 50 75 Temperature : Ta(°C) 100 125 150 -4- Ver.2014-05-20 NJU7660A  TEST CIRCUIT The measurement circuit diagram of negative voltage is shown below. VR pin must connect to GND or Open according to the operating voltage as follows: V+ < 3.5V :Connected to GND V+  3.5V :OPEN The oscillation frequency can be lowered by connected external capacitor to the OSC pin, furthermore it can be also driven by external clock generator.  TYPICALAPPLICATION C1 10F NC V C+ OSC NJU7660A GND VR VIN=1.5V~10V C3 10F COSC RL C- VOUT (*5) (*5):Connect the diode as the VOUT pin in the figure above in the case of V+ is 6.5V or more. In the case of lee than 6.5V , V+ does not require this diode. VOUT= -VIN C2 10F 1-1 Negative Voltage Output 1 1.5V to 3.5V operation 1-2 Negative Voltage Output 2 3.5V to 10V operation VIN=1.5V~3.5V VIN=3.5V~10.0V C1 + 10F - 1 N.C V+ 8 2 .


ADL5611 NJU7660A ISL70001ASEH


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