ME7660
ME7660 is Charge Pump DC-DC Voltage Converter manufactured by Micro One.
Features
: ! Converts +5V Logic supply to + 5V ! Wide input voltage range: 1.5V~10V ! Efficient voltage conversion: 99.9% ! Good power efficiency: 98% ! Low power supply: 50u A @5Vin ! Easy to use: only two external capacitors required ! 8-pin DIP and 8-pin small outline packages are available ! patible with RS232 negative power supply standard ! High ESD protection: up to 3k V ! No Dx diode needed for high voltage operation Pin Configuration
Packages: 8-pin DIP and 8-pin SOIC
1(12)
ME 7660
Pin Description
Pin No. Symbol
1 NC 2 CAP+ 3 GND 4 CAP5 Vout 6 Low Voltage 7 OSC 8 V+
Description
No connection Connecting external capacitor (+) pin
Ground Pin Connecting external capacitor (-) pin
Voltage output pin Low voltage selection pin Connecting oscillation capacitor pin
Power supply pin
Functional Block Diagram
2(12)
Absolute Maximum Rating ! Supply Voltage: +10.5V ! LV and OSC Inputs Voltage: -0.3V (V++0.3V) for V+<5.5V
(V+-5.5V) (V++0.3V) for V+>5.5V
! Current Into LV: 20µA 当 V+>3.5V 时
! Output Short Duration (Vsupply 5.5V):
! Power Dissipation TA 75
Plastic DIP
730m V
SOIC
470m V
ME 7660
Electrical Characteristics:(V+=5V,COSC=0) Test circuit is at page 5
Symbol Item Conditions Min Typ Max Unit
I+ V+H V+L ROUT
FOSC PEFF VOUTEFF
Supply Current Supply Voltage,
High Supply Voltage, Low Output Resistance
Oscillator Frequency
Power Efficiency
Voltage Conversion Efficiency
RL= LV Open
LV to GND
IOUT=20m A TA=25 IOUT=3m A V+=2V TA=25 Pin 7 open
RL=5k
RL=
- 60 3-...