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MAX761CPAMAXIM ?N/a345avai12V/15V or Adjustable, High-Efficiency, Low IQ, Step-Up DC-DC Converters
MAX761CSAMAXN/a16avai12V/15V or Adjustable, High-Efficiency, Low IQ, Step-Up DC-DC Converters
MAX761CSAMAXIMN/a100avai12V/15V or Adjustable, High-Efficiency, Low IQ, Step-Up DC-DC Converters
MAX761CSAMAXIM ?N/a4avai12V/15V or Adjustable, High-Efficiency, Low IQ, Step-Up DC-DC Converters
MAX761EPAMAXIMN/a74avai12V/15V or Adjustable, High-Efficiency, Low IQ, Step-Up DC-DC Converters
MAX761EPAMAXIM ?N/a44avai12V/15V or Adjustable, High-Efficiency, Low IQ, Step-Up DC-DC Converters
MAX761ESAMAXIMN/a36avai12V/15V or Adjustable, High-Efficiency, Low IQ, Step-Up DC-DC Converters
MAX761ESAMAXIM ?N/a32avai12V/15V or Adjustable, High-Efficiency, Low IQ, Step-Up DC-DC Converters
MAX762CPAMAXN/a28avai12V/15V or Adjustable, High-Efficiency, Low IQ, Step-Up DC-DC Converters
MAX762CSAMAXIM ?N/a5avai12V/15V or Adjustable, High-Efficiency, Low IQ, Step-Up DC-DC Converters


MAX761CPA ,12V/15V or Adjustable, High-Efficiency, Low IQ, Step-Up DC-DC ConvertersFeaturesThe MAX761/MAX762 step-up switching regulators ' High Efficiency for a Wide Range of Load C ..
MAX761CSA ,12V/15V or Adjustable, High-Efficiency, Low IQ, Step-Up DC-DC ConvertersFeaturesThe MAX761/MAX762 step-up switching regulators ' High Efficiency for a Wide Range of Load C ..
MAX761CSA ,12V/15V or Adjustable, High-Efficiency, Low IQ, Step-Up DC-DC Convertersapplications. These devices use tiny exter- MAX761CSA 0°C to +70°C 8 SOnal components, and their hi ..
MAX761CSA ,12V/15V or Adjustable, High-Efficiency, Low IQ, Step-Up DC-DC ConvertersMAX761/MAX76219-0201; Rev 0; 11/9312V/15V or Adjustable, High-Efficiency,Low I , Step-Up DC-DC Conv ..
MAX761EPA ,12V/15V or Adjustable, High-Efficiency, Low IQ, Step-Up DC-DC ConvertersApplicationsMAX762EPA -40°C to +85°C 8 Plastic DIPFlash Memory ProgrammingMAX762ESA -40°C to +85°C ..
MAX761EPA ,12V/15V or Adjustable, High-Efficiency, Low IQ, Step-Up DC-DC ConvertersApplications* Contact factory for dice specifications.High-Efficiency DC-DC Converters** Contact f ..
MB6M ,MINIATURE GLASS PASSIVATED SINGLE-PHASE BRIDGE RECTIFIERThermal Characteristics (TA = 25°C unless otherwise noted)Parameter Symbol MB2M MB4M MB6M UnitDevic ..
MB6S ,Bridge RectifiersThermal Characteristics (T = 25°C unless otherwise noted)AParameter Symbol MB2S MB4S MB6S UnitDevic ..
MB7117E , Schottky TTL 2048-Bit Bipolar Programmable Read-Only Memory
MB71A38-25 , PROGRAMMABLE SCHOTTKY 16384-BIT READ ONLY MEMORY


MAX761CPA-MAX761CSA-MAX761EPA-MAX761ESA-MAX762CPA-MAX762CSA
12V/15V or Adjustable, High-Efficiency, Low IQ, Step-Up DC-DC Converters
_______________General Description
The MAX761/MAX762 step-up switching regulators
provide high efficiency over a wide range of load currents,
delivering up to 150mA. A unique, current-limited
pulse-frequency-modulated (PFM) control scheme gives
the devices the benefits of pulse-width-modulated (PWM)
converters (high efficiency with heavy loads), while using
less than 110µA of supply current (vs. 2mA to 10mA for
PWM converters). The result is high efficiency over a wide
range of loads.
The MAX761/MAX762 input voltage range is 2V to 16.5V.
Output voltages are preset to 12V (MAX761) and 15V
(MAX762), or they can be set with two external resistors.
With a 5V input, the MAX761 guarantees a 12V, 150mA
output. Its high efficiency, low supply current, fast start-up
time, SHDN controlling capability, and small size make the
MAX761 ideal for powering flash memory.
The MAX761/MAX762 have an internal 1A power MOS-
FET, making them ideal for minimum-component, low- and
medium-power applications. These devices use tiny exter-
nal components, and their high switching frequencies (up
to 300kHz) allow for small surface-mount magnetics.
For increased output drive capability or higher output volt-
ages, use the MAX770–MAX773, which are similar in
design to the MAX761/MAX762, but drive external power
MOSFETs. For stepping up to 5V, see the MAX756/
MAX757 and MAX856-MAX859 data sheets.
_________________________Applications

Flash Memory Programming
PCMCIA Cards
Battery-Powered Applications
High-Efficiency DC-DC Converters
____________________________Features
High Efficiency for a Wide Range of Load Currents12V/150mA Flash Memory Programming Supply110µA Max Supply Current5µA Max Shutdown Supply Current2V to 16.5V Input Voltage Range12V (MAX761), 15V (MAX762) or Adjustable OutputCurrent-Limited PFM Control Scheme300kHz Switching FrequencyInternal, 1A, N-Channel Power FETLBI/LBO Low-Battery Comparator
______________Ordering Information
MAX761/MAX762,
Low IQ, Step-Up DC-DC Converters
________________________________________________________________Maxim Integrated Products1
__________________Pin Configuration
__________Typical Operating Circuit
Call toll free 1-800-998-8800 for free samples or literature.

* Contact factory for dice specifications.
** Contact factory for availability and processing to MIL-STD-883.
MAX761/MAX762
12V/15V or Adjustable, High-Efficiency,
Low IQ, Step-Up DC-DC Converters_______________________________________________________________________________________
ABSOLUTE MAXIMUM RATINGS

Supply Voltage V+ to GND.......................................-0.3V to 17V
REF, LBO, LBI, SHDN, FB............................-0.3V to (V+ + 0.3V)
LX..............................................................................-0.3V to 17V
LX Peak Current....................................................................1.5A
LBO Current..........................................................................5mA
Continuous Power Dissipation (TA= +70°C)
Plastic DIP (derate 9.09mW/°C above +70°C)............727mW
SO (derate 5.88mW/°C above +70°C).........................471mW
CERDIP (derate 8.00mW/°C above +70°C).................640mW
Operating Temperature Ranges:
MAX76_C_A........................................................0°C to +70°C
MAX76_E_A.....................................................-40°C to +85°C
MAX76_MJA..................................................-55°C to +125°C
Junction Temperatures:
MAX76_C_A/E_A..........................................................+150°C
MAX76_MJA.................................................................+175°C
Storage Temperature Range.............................-65°C to +160°C
Lead Temperature (soldering, 10sec).............................+300°C
ELECTRICAL CHARACTERISTICS

(V+ = 5V, ILOAD= 0mA, CREF= 0.1µF, TA= TMINto TMAX, typical values are at TA= +25°C, unless otherwise noted.)
Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional
operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to
absolute maximum rating conditions for extended periods may affect device reliability.
MAX761/MAX762
12V/15V or Adjustable, High-Efficiency,
Low IQ, Step-Up DC-DC Converters
_______________________________________________________________________________________3
ELECTRICAL CHARACTERISTICS (continued)

(V+ = 5V, ILOAD= 0mA, CREF= 0.1µF, TA= TMINto TMAX, typical values are at TA= +25°C, unless otherwise noted.)
Note 1:
See Typical Operating Characteristicsfor output current capability versus input voltage. Guarantees based on correlation
to switching on and off times, on-resistance, and peak-current ratings.
MAX761/MAX762
12V/15V or Adjustable, High-Efficiency,
Low IQ, Step-Up DC-DC Converters_______________________________________________________________________________________
__________________________________________Typical Operating Characteristics

(Circuit of Figure 2, TA= +25°C, unless otherwise noted.)
EFFICIENCY vs. OUTPUT CURRENT
BOOTSTRAPPED
MAX761-01
OUTPUT CURRENT (mA)
EFFICIENCY (%)40100
EFFICIENCY vs. OUTPUT CURRENT
NON-BOOTSTRAPPED
MAX761-02
OUTPUT CURRENT (mA)
EFFICIENCY (%)40100
QUIESCENT CURRENT vs.
INPUT VOLTAGE
MAX761-03
INPUT VOLTAGE (V)
QUIESCENT CURRENT (mA)
MAXIMUM OUTPUT CURRENT vs.
INPUT VOLTAGE
MAX761-04
SUPPLY VOLTAGE (V)
MAXIMUM OUTPUT CURRENT (mA)
NO-LOAD START-UP VOLTAGE
MAX761-07
TEMPERATURE (°C)
NO-LOAD START-UP VOLTAGE (V)100
REFERENCE OUTPUT RESISTANCE vs.
TEMPERATURE
MAX761-05
TEMPERATURE (°C)
REFERENCE OUTPUT RESISTANCE (100
REFERENCE vs.TEMPERATURE
COEFFICIENT
MAX761-06
TEMPERATURE (°C)
REFERENCE OUTPUT (V)100-4008040120
MAX761
START-UP VOLTAGE vs. RLOAD
MAX761-08
RLOAD (kΩ)
START-UP VOLTAGE (V)
LX ON-RESISTANCE vs.
TEMPERATURE
MAX761-09
TEMPERATURE (°C)
LX ON-RESISTANCE (100
1.2
MAX761/MAX762
12V/15V or Adjustable, High-Efficiency,
Low IQ, Step-Up DC-DC Converters
_______________________________________________________________________________________5

LX LEAKAGE vs. TEMPERATURE
MAX761-10
LX LEAKAGE (nA)
TEMPERATURE (°C)
PEAK CURRENT AT LX vs. TEMPERATURE
MAX761-11
TEMPERATURE (°C)
IPEAK
(A)100-4008040120
SHUTDOWN CURRENT
vs. TEMPERATURE
MAX761-12
TEMPERATURE (°C)
ICC
(µA)100-4008040120
SWITCH-ON TIME vs. TEMPERATURE
MAX761-13
TEMPERATURE (°C)
ton
(µs)120
SWITCH-OFF TIME vs. TEMPERATURE
MAX761-14
TEMPERATURE (°C)
toff
(µs)120
POWER-SUPPLY CURRENT
vs. TEMPERATURE
MAX761-15
TEMPERATURE (°C)
ICC
(µA)120
SWITCH-ON/SWITCH-OFF TIME RATIO
vs.TEMPERATURE
MAX761-16
TEMPERATURE (°C)
ton
off
RATIO (µs/µs)120
____________________________Typical Operating Characteristics (continued)

(Circuit of Figure 2, TA= +25°C, unless otherwise noted.)
MAX761/MAX762
12V/15V or Adjustable, High-Efficiency,
Low IQ, Step-Up DC-DC Converters_______________________________________________________________________________________
_____________________________Typical Operating Characteristics (continued)

(Circuit of Figure 2, TA= +25°C, unless otherwise noted.)
______________________________________________________________Pin Description
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