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| Analog Microelectronics, Inc. AME7700/AME7701/AME7702 ary limin Pre Switched Capacitor Voltage Doublers n General Description 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. n Features l l l l l l Small packages: SOT-25, SOT-26 +1.5V to +5.5V Input Range 60uA Quiescent Current ( AME7700) 99% Conversion Efficiency Output Current Exceeding 100mA User Selectable Frequency ( AME7702) n Applications l l l l l l l l n Typical Connection AME 7700/7701 Cellular Phones Digital Cameras Battery Chargers High Tech Flashlights PDA's - LCD displays Consumer Electronics Pagers Portable Electronics V IN DC IN CN n Pin Configuration VOUT C1 CP OUT GND SOT-25 Top View C2 5 4 SOT-26 Top View 6 5 4 AME7700 AME7701 AME7702 1 1: GND 2: OUT 3: CN 2 3 4: IN 5: CP 1 1: GND 2: CN 3: OUT 2 3 4: IN 5: FC 6: CP 1 Analog Microelectronics, Inc. AME7700/AME7701/AME7702 ary limin Pre Switch Capacitor Voltage Doublers n Pin Description AME7700AEEV/ AME7701AEEV Pin 1 2 3 4 5 Designation GND OUT CN IN CP Function Ground (-Supply) Power Output Capacitor (-) Power Input Capacitor (+) AME7702AEEY Pin 1 2 3 4 5 6 Designation GND CN OUT IN FC CP Function Ground (-Supply) Capacitor(-) Power Output Power Input Frequency Control Capacitor (+) n Order Information Part Number AME7700AEEV AME7701AEEV AME7702AEEY Package SOT-25 SOT-25 SOT-26 Operating Temp. -40OC to +85OC -40OC to +85OC -40OC to +85OC 2 Analog Microelectronics, Inc. AME7700/AME7701/AME7702 ary limin Pre Switched Capacitor Voltage Doublers n Absolute Maximum Ratings P a ra m e te r S up p ly V o lta g e E S D C la s s ific a tio n M a x im u m 6 B U n it V n Recommended Operating Conditions Parameter Supply Voltage Ambient Temperature Range Junction Temperature Rating 1.5 - 5.5 V -40 to +85 C -40 to +125 C o o n Thermal Information Parameter Thermal Resistance (SOT-25,26) Maximum Junction Temperature Maximum Lead Temperature ( 10 Sec) Maximum 250 150 300 Unit o C /W o o C C Caution: Stress above the listed absolute rating may cause permanent damage to the device 3 Analog Microelectronics, Inc. AME7700/AME7701/AME7702 ary limin Pre Switch Capacitor Voltage Doublers n Electrical Specification T A = 25 C, V IN = 5V unless otherwise noted,C1 = C2 = 3.3 F PARAMETER SYMBOL TEST CONDITIONS AME7700 AME7702 FC is LO AME7701 AME7702 FC is HI RL = 10 K AME7700 AME7702 FC is LO AME7701 AME7702 FC is HI AME7700 AME7702 FC is LO AME7701 AME7702 FC is HI No load RL = 10 K 97 88 1.5 8.5 24.5 12 35 40 20 99 92 MIN TYP 60 215 MAX 100 A 300 5.5 15.5 KHz 45.5 50 ohms 35 % % V UNITS No Load Current IIN Supply Voltage Range V IN Oscillator Frequency FOSC Output Resistance Ro Voltage Conversion Efficiency Power Efficiency V EFF P EFF 4 Analog Microelectronics, Inc. AME7700/AME7701/AME7702 ary limin Pre Switched Capacitor Voltage Doublers 35 30 Osc. Freq. @ 25C Load Regulation 12 10 Oscillator Frequency (KHZ) 25 20 15 10 5 0 1 2 AME7701 8 VOUT AME7700 AME7700 6 4 2 0 Input Voltage (V) 3 4 5 6 0 50 I ( mA) 100 150 Load Reg 12 50 AME7700 Output Resistance @25C Output Resistance (Ohm) 10 Vin=5 45 8 VOUT 40 6 4 2 0 0 50 Vin=2 Vin=3.3 2.2F 2.2F 35 30 3.3F 3.3F 25 I(mA) 100 150 2 3 4 5 6 Input Voltage (V) Electrical Characteristics vs. Temp 160 140 120 AME7700 300 250 Supply Current @ 25C Supply Current(mA) ROUT/IDD 100 80 60 40 20 0 25 50 75 100 125 150 ROUT AME7701 ID D 200 AME7701 150 100 50 0 1 2 3 4 5 6 AME7700 Temperature( 0 C) Input Voltage (V) 5 Analog Microelectronics, Inc. AME7700/AME7701/AME7702 ary limin 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 IN 5v/200mA CN 1 : 250 CCFL AME 7701 1uF GND 6 Analog Microelectronics, Inc. AME7700/AME7701/AME7702 ary limin Pre Switched Capacitor Voltage Doublers n Applications(Continued) 1.25V to 5.0V Converter 1uF 1uF - + - + CN AME 7701 GND CP CN AME 7701 GND CP 5V OUT IN 1.25V OUT IN OUT + 1uF + 1uF GND 7 Analog Microelectronics, Inc. AME7700/AME7701/AME7702 ary limin Pre Switch Capacitor Voltage Doublers n Applications(Continued) +5V to +15V Converter 10uF 10uF - + - + CN IN AME CP 7700 OUT GND CN (+10V) IN AME 7700 CP OUT GND +5V IN + 10uF + +15V O U T 10uF GND 3.3V-Input to Regulated 5V-Output Converter + 1uF CN CP 3.3V IN IN AME 7700 OUT GND 1uF IN AME 8800 5V OUT OUT + GND 1uF + 8 Analog Microelectronics, Inc. AME7700/AME7701/AME7702 ary limin Pre Switched Capacitor Voltage Doublers n Applications(Continued) Paralleling Devices -+ 3.3uF CN CP AME 7701 IN GND OUT + 3.3uF V IN -+ 3.3uF CN VOUT CP AME 7701 IN GND OUT 9 Analog Microelectronics, Inc. AME7700/AME7701/AME7702 ary limin Pre Switch Capacitor Voltage Doublers n Package Dimension SOT-25 MILLIMETERS MIN MAX 1.00 1.45 0.00 0.15 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 0.30 0 0.85 SYMBOLS A A1 A2 b C D E e H L 1 S1 INCHES MIN MAX 0.0394 0.0571 0.0000 0.0591 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 0.0118 10 0.0413 10 1.05 0 0.0335 SOT-26 MILLIMETERS MIN MAX 1.00 1.40 0.00 0.70 0.35 0.08 2.70 1.40 2.60 0.35 0 0.85 SYMBOLS A A1 A2 b C D E e H L 1 S1 INCHES MIN MAX 0.0394 0.0551 0.0000 0.0276 0.0138 0.0031 0.1063 0.0551 0.1024 0.0138 0 0.0335 0.15 1.25 0.50 0.25 3.10 1.80 3.00 9 1.05 0.0591 0.0492 0.0197 0.0098 0.1220 0.0709 0.1181 9 0.0413 1.90 BSC 0.0748 BSC 10 www.analogmicro.com E-Mail: info@analogmicro.com 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. (c) Analog Microelectronics, Inc. , July 2001 Document: 2027-doc-B-0731 Corporate Headquarters Analog Microelectronics, Inc. 3100 De La Cruz Blvd. Suite 201 Santa Clara, CA. 95054-2046 Tel : (408) 988-2388 Fax: (408) 988-2489 Asia Pacific Headquarters AME, Inc. 2F, 187 ,Kang-Chien Rd,Nei-Hu Dist Taipei 114, Taiwan, R.O.C. Tel : 886 2 2627-8687 Fax: 886 2 2659-2989 |
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