nary i m i l Pre Analog Microelectronics, Inc. Switched Capacitor Voltage Doublers AME7700/AME7701/AME7702 n General Description n Features The AME7700 series of economical, Charge-Pump Converters efficiently double a +1.5V to +5.5V input to +3.0V to +11V, with a working current exceeding 100mA. Due to their simplicity, small size, and performance, these CMOS converters have numerous applications. For most cases, only (2) external capacitors are required, however, in some cases, a single capacitor is acceptable. Minimum capacitance is obtained with the AME7701, while the AME7700 offers the lowest standby current. The AME7702 has a Frequency-Select pin for added flexibility. The input voltage can be tripled or quadrupled by cascading 2 Charge-Pumps. A single alkaline battery With it’s low start-up voltage, a single alkaline battery can be configured with (2) AME7700’s to quadruple the voltage and produce 5V out. Alternately, with a 5V source, (2) AME7700’s can be configured to triple the voltage and produce 15V out. l Small packages: SOT-25, SOT-26 l +1.5V to +5.5V Input Range l 60uA Quiescent Current ( AME7700) l 99% Conversion Efficiency l Output Current Exceeding 100mA l User Selectable Frequency ( AME7702) n Applications l l Cellular Phones Digital Cameras Battery Chargers High Tech Flashlights PDA’s - LCD displays Consumer Electronics Pagers l Portable Electronics l l n Typical Connection l l l AME 7700/7701 IN V IN DC CN n Pin Configuration OUT C1 VOUT CP GND SOT-25 Top View SOT-26 Top View C2 4 5 6 AME7700 AME7701 1 1: GND 2: OUT 3: CN 2 3 4: IN 5: CP 5 4 AME7702 1 1: GND 2: CN 3: OUT 2 3 4: IN 5: FC 6: CP 1 Analog Microelectronics, Inc. AME7700/AME7701/AME7702 Switch Capacitor Voltage Doublers n Pin Description AME7700AEEV/ AME7701AEEV Pin Designation Function 1 GND Ground (-Supply) 2 OUT Power Output 3 CN Capacitor (-) 4 5 IN CP Power Input Capacitor (+) AME7702AEEY Pin Designation Function 1 GND Ground (-Supply) 2 CN Capacitor(-) 3 OUT Power Output 4 IN Power Input 5 6 FC CP Frequency Control Capacitor (+) n Order Information Part Number AME7700AEEV AME7701AEEV AME7702AEEY 2 Package SOT-25 SOT-25 SOT-26 nary i m i l Pre Operating Temp. -40OC to +85OC -40OC to +85OC -40OC to +85OC nary i m i l Pre Analog Microelectronics, Inc. AME7700/AME7701/AME7702 Switched Capacitor Voltage Doublers n Absolute Maximum Ratings P a ra m e te r M a x im u m U n it S up p ly V o lta g e 6 V E S D C la s s ific a tio n B n Recommended Operating Conditions Parameter Rating 1.5 - 5.5 V Supply Voltage o Ambient Temperature Range -40 to +85 C Junction Temperature -40 to +125 C o n Thermal Information Parameter Maximum Unit o Thermal Resistance (SOT-25,26) 250 Maximum Junction Temperature 150 o C Maximum Lead Temperature ( 10 Sec) 300 o C C /W Caution: Stress above the listed absolute rating may cause permanent damage to the device 3 nary i m i l Pre Analog Microelectronics, Inc. AME7700/AME7701/AME7702 Switch Capacitor Voltage Doublers n Electrical Specification T A = 25 C, V IN = 5V unless otherwise noted,C1 = C2 = 3.3µ F PARAMETER No Load Current Supply Voltage Range Oscillator Frequency Output Resistance 4 SYMBOL IIN V IN FOSC Ro TEST CONDITIONS MIN TYP MAX AME7700 AME7702 FC is LO 60 100 AME7701 AME7702 FC is HI 215 300 UNITS µA RL = 10 K 1.5 AME7700 AME7702 FC is LO 8.5 12 15.5 AME7701 AME7702 FC is HI 24.5 35 45.5 AME7700 AME7702 FC is LO 40 50 AME7701 AME7702 FC is HI 20 35 5.5 V KHz ohms Voltage Conversion Efficiency V EFF No load 97 99 % Power Efficiency P EFF RL = 10 K 88 92 % nary i m i l Pre Analog Microelectronics, Inc. Switched Capacitor Voltage Doublers AME7700/AME7701/AME7702 Load Regulation Osc. Freq. @ 25C 35 12 Oscillator Frequency (KHZ) 30 10 AME7701 25 8 VOUT 20 15 4 AME7700 10 AME7700 5 6 2 0 0 1 2 3 4 5 Input Voltage (V) 0 6 Load Reg 100 150 AME7700 Output Resistance @25C Output Resistance (Ohm) 10 Vin=5 8 Vin=3.3 6 Vin=2 4 2 0 45 2.2µF 2.2µF 40 35 3.3µF 3.3µF 30 25 0 50 I(mA) 100 150 2 3 4 5 6 Input Voltage (V) Supply Current @ 25C Electrical Characteristics vs. Temp 160 300 140 100 ID D 80 60 40 ROUT AME7701 20 Supply Current(mA) 250 AME7700 120 ROUT/IDD I ( mA) 50 12 VOUT 50 200 AME7701 150 100 AME7700 50 0 25 50 75 100 Temperature( 0 C) 125 150 0 1 2 3 4 5 6 Input Voltage (V) 5 Analog Microelectronics, Inc. AME7700/AME7701/AME7702 nary i m i l Pre Switch Capacitor Voltage Doublers n Applications Single Cell Led Flashlight - + CN CP AME 7700 IN AA 1.5V OUT GND LED 1 Watt Fluorescent Lamp Driver 5v/200mA 1 : 250 CN IN AME 7701 1uF GND 6 CCFL nary i m i l Pre Analog Microelectronics, Inc. Switched Capacitor Voltage Doublers AME7700/AME7701/AME7702 n Applications(Continued) 1.25V to 5.0V Converter 1uF - CN 1uF AME 7701 IN 1.25V - + CN CP OUT GND + AME 7701 GND 1uF 5V OUT OUT IN + CP + 1uF GND 7 nary i m i l Pre Analog Microelectronics, Inc. AME7700/AME7701/AME7702 Switch Capacitor Voltage Doublers n Applications(Continued) +5V to +15V Converter 10uF - 10uF + - CN AME CP 7700 IN OUT +5V IN CN (+10V) GND + AME 7700 IN CP OUT GND + +15V O U T + 10uF 10uF GND 3.3V-Input to Regulated 5V-Output Converter + 1uF CN CP AME 7700 3.3V IN IN IN 5V OUT OUT + OUT GND + GND 1uF 8 AME 8800 1uF Analog Microelectronics, Inc. nary i m i l Pre Switched Capacitor Voltage Doublers AME7700/AME7701/AME7702 n Applications(Continued) Paralleling Devices - + 3.3uF CN CP AME 7701 IN GND OUT + V IN 3.3uF VOUT - + 3.3uF CN CP AME 7701 IN GND OUT 9 nary i m i l Pre Analog Microelectronics, Inc. AME7700/AME7701/AME7702 Switch Capacitor Voltage Doublers n Package Dimension SOT-25 A A1 MILLIMETERS MIN MAX 1.00 1.45 0.00 0.15 INCHES MIN MAX 0.0394 0.0571 0.0000 0.0591 A2 b C D E e H 0.70 1.25 0.35 0.55 0.08 0.25 2.70 3.10 1.40 1.80 1.90 BSC 2.60 3.00 0.0276 0.0492 0.0138 0.0217 0.0031 0.0098 0.1063 0.1220 0.0551 0.0709 0.07480 BSC 0.1024 0.1181 L 0.30 0.0118 SYMBOLS θ1 S1 ° 0 0.85 ° 10 1.05 ° 0 0.0335 ° 10 0.0413 SOT-26 A MILLIMETERS MIN MAX 1.00 1.40 INCHES MIN MAX 0.0394 0.0551 A1 0.00 0.15 0.0000 0.0591 A2 0.70 1.25 0.0276 0.0492 b 0.35 0.50 0.0138 0.0197 C 0.08 0.25 0.0031 0.0098 D E 2.70 1.40 3.10 1.80 0.1063 0.0551 0.1220 0.0709 SYMBOLS e 10 1.90 BSC H L 2.60 0.35 θ1 S1 0 0.85 ° 0.0748 BSC 3.00 ° 9 1.05 0.1024 0.0138 ° 0 0.0335 0.1181 ° 9 0.0413 www.analogmicro.com E-Mail: [email protected] Life Support Policy: These products of Analog Microelectronics, Inc. are not authorized for use as critical components in life-support devices or systems, without the express written approval of the president of Analog Microelectronics, Inc. Analog Microelectronics, Inc. reserves the right to make changes in the circuitry and specifications of its devices and advises its customers to obtain the latest version of relevant information. Analog Microelectronics, Inc. , July 2001 Document: 2027-doc-B-0731 Corporate Headquarters Asia Pacific Headquarters Analog Microelectronics, Inc. AME, Inc. 3100 De La Cruz Blvd. Suite 201 Santa Clara, CA. 95054-2046 2F, 187 ,Kang-Chien Rd,Nei-Hu Dist Taipei 114, Taiwan, R.O.C. Tel : (408) 988-2388 Fax: (408) 988-2489 Tel : 886 2 2627-8687 Fax: 886 2 2659-2989