MAX662A:12V, 30mA Flash Memory Programming Supply

12V Inductorless, Low-Profile Flash Memory Supply Fits in 0.1 Sq. Inch

The MAX662A is a regulated +12V, 30mA-output, charge-pump DC-DC converter. It provides the necessary +12V ±5% output to program byte-wide flash memories, and requires no inductors to deliver a guaranteed 30mA output from inputs as low as 4.75V. It fits into less than 0.1in² of board space. The MAX662A is a pin-compatible upgrade to the MAX662, and is recommended for new designs. The MAX662A offers lower quiescent and shut-down currents, and guarantees the output current over all temperature ranges. The MAX662A is the first charge-pump boost converter to provide a regulated +12V output. It requires only a few inexpensive capacitors, and the entire circuit is completely surface-mountable. A logic-controlled shutdown pin that interfaces directly with microprocessors reduces the supply current to only 0.5µA. The MAX662A comes in 8-pin narrow SO and DIP packages. For higher-current flash memory programming solutions, refer to the data sheets for the MAX734 (120mA output current, guaranteed) and MAX732 (200mA output current, guaranteed) PWM, switch-mode DC-DC converters. Or, refer to the MAX761 data sheet for a 150mA, PFM switch-mode DC-DC converter that operates from inputs as low as 2V.

Key Features
  • Regulated +12V ±5% Output Voltage
  • 4.5V to 5.5V Supply Voltage Range
  • Fits in 0.1in²
  • Guaranteed 30mA Output
  • No Inductor—Uses Only 4 Capacitors
  • 185µA Quiescent Current
  • Logic-Controlled 0.5µA Shutdown
  • 8-Pin Narrow SO and DIP Packages
MAX662A: Typical Operating Circuit
MAX662A: Typical Operating Circuit
Applications/Uses
  • +12V Flash Memory Programming Supplies
  • Compact +12V Op-Amp Supplies
  • Dual-Output +12V and +20V Supplies
  • Switching MOSFETs in Low-Voltage Systems
DataSheet
titleDownload file
MAX662A Data SheetMAX662A.pdf
Parametrics
Part NumberTopologyVIN
(V)
VIN
(V)
ICC
(mA)
Unadj. VOUT
(V)
IOUT
(A)
Oper. Freq.
(kHz)
Oper. Temp.
(°C)
Package/PinsBudgetary
Price
minmaxmaxtypSee Notes
MAX662ARegulated4.55.50.5120.03500-40 to +85
0 to +70
CDIP(N)/8
PDIP(N)/8
SOIC(N)/8
$2.06 @1k
Design kits & evaluation modules
Quality and Environmental Data
Related Products
  • MAX734:12V, 120mA Flash Memory Programming Supply
  • MAX732:+12V/+15V Step-Up Current-Mode PWM Regulators
  • MAX761:12V/15V or Adjustable, High-Efficiency, Low-IQ, Step-Up DC-DC Converters
Ordering Information
Part NumberStatusRecommended ReplacementPackageTempRoHS
MAX662AC/DNo Longer AvailableDICE SALES,;NA pin;DICE;0°C to +70°CSee data sheet
MAX662ACPANo Longer AvailableMAX662ACPA+PDIP(N),;8 pin;79.7 mm²0°C to +70°CNo
MAX662ACPA+ActivePDIP(N),;8 pin;79.7 mm²0°C to +70°CLead Free
MAX662ACSANo Longer AvailableMAX662ACSA+SOIC(N),;8 pin;30.9 mm²0°C to +70°CNo
MAX662ACSA+ActiveSOIC(N),;8 pin;30.9 mm²0°C to +70°CLead Free
MAX662ACSA+TActiveSOIC(N),;8 pin;30.9 mm²0°C to +70°CLead Free
MAX662ACSA-TNo Longer AvailableMAX662ACSA+TSOIC(N),;8 pin;30.9 mm²0°C to +70°CNo
MAX662AEPANo Longer AvailableMAX662AEPA+PDIP(N),;8 pin;79.7 mm²-40°C to +85°CNo
MAX662AEPA+ActivePDIP(N),;8 pin;79.7 mm²-40°C to +85°CLead Free
MAX662AESANo Longer AvailableMAX662AESA+SOIC(N),;8 pin;30.9 mm²-40°C to +85°CNo
Part NumberStatusRecommended ReplacementPackageTempRoHS
MAX662AESA+ActiveSOIC(N),;8 pin;30.9 mm²-40°C to +85°CLead Free
MAX662AESA+TActiveSOIC(N),;8 pin;30.9 mm²-40°C to +85°CLead Free
MAX662AESA-TNo Longer AvailableMAX662AESA+TSOIC(N),;8 pin;30.9 mm²-40°C to +85°CNo
MAX662AMJANo Longer AvailableCDIP(N),;8 pin;82.6 mm²-55°C to +125°CNo
MAX662AMSA/PRNo Longer AvailableMAX662AMSA/PR+SOIC(N),;8 pin;30.9 mm²-55°C to +125°CNo
MAX662AMSA/PR+ActiveSOIC(N),;8 pin;30.9 mm²-55°C to +125°CLead Free
MAX662AMSA/PR-TNo Longer AvailableN.SO;-55°C to +125°CSee data sheet
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