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MAX1835EUTTG16

Description
Switching Voltage Regulators Step-Up Converter w/Reverse Bat Prtct
Categorysemiconductor    Power management   
File Size378KB,12 Pages
ManufacturerMaxim
Websitehttps://www.maximintegrated.com/en.html
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MAX1835EUTTG16 Overview

Switching Voltage Regulators Step-Up Converter w/Reverse Bat Prtct

MAX1835EUTTG16 Parametric

Parameter NameAttribute value
Product CategorySwitching Voltage Regulators
ManufacturerMaxim
RoHSDetails
Mounting StyleSMD/SMT
Package / CaseSOT-23-6
TopologyBoost
PackagingReel
Factory Pack Quantity2500
TypeVoltage Converter
Unit Weight0.001270 oz
19-1802; Rev 2; 4/05
KIT
ATION
EVALU
BLE
AVAILA
High-Efficiency Step-Up Converters with
Reverse Battery Protection
General Description
The MAX1832–MAX1835 are high-efficiency step-up
converters with complete reverse battery protection that
protects the device and the load when the battery is
reversed. They feature a built-in synchronous rectifier,
which allows for over 90% efficiency and reduces size
and cost by eliminating the need for an external
Schottky diode.
These step-up converters operate from a +1.5V to +5.5V
input voltage range and deliver up to 150mA of load cur-
rent. The MAX1833EUT/MAX1835EUT (SOT devices)
have a fixed 3.3V output voltage. The MAX1833ETT30
(TDFN device) has a fixed 3.0V output voltage. The
MAX1832/MAX1834 have adjustable outputs from +2V to
+5.5V. In shutdown, the MAX1832/MAX1833 connect the
battery input to the voltage output, allowing the input bat-
tery to be used as a backup or real-time clock supply
when the converter is off (see Selector Guide).
MAX183_EUT devices are available in a miniature 6-pin
SOT23 package. The MAX1833ETT30 is available in a
3mm
3mm thin DFN package. The MAX1832EVKIT is
available to speed designs.
Features
Reverse Battery Protection for DC-DC Converter
and Load
Up to 90% Efficiency
No External Diode or FETs Needed
Internal Synchronous Rectifier
4µA Quiescent Current
<1µA Shutdown Supply Current
+1.5V to +5.5V Input Voltage Range
Accurate
SHDN
Threshold for Low-Battery Cutoff
BATT Connected to OUT in Shutdown for Backup
Power (MAX1832/MAX1833)
RST
Output (MAX1833/MAX1835)
Fixed 3.3V/3.0V Output Voltage
Adjustable Output Voltage (MAX1832/MAX1834)
Up to 150mA Output Current
Tiny 6-Pin SOT23 Package
Tiny 6-Pin Thin QFN Package (MAX1833ETT30)
MAX1832–MAX1835
________________________Applications
Medical Diagnostic Equipment
Pagers
Hand-Held Instruments
Remote Wireless Transmitters
Digital Cameras
Cordless Phones
Battery Backup
PC Cards
Local 3.3V or 5V Supply
Ordering Information
PART
MAX1832EUT-T
MAX1833EUT-T
MAX1833E
TT30-T
MAX1834EUT-T
MAX1835EUT-T
TEMP RANGE
-40°C to +85°C
-40°C to +85°C
-40°C to +85°C
-40°C to +85°C
-40°C to +85°C
PIN-
PACKAGE
6 SOT23-6
6 SOT23-6
6 TDFN-6
(T633-1)
6 SOT23-6
6 SOT23-6
TOP
MARK
AAOT
AAOU
ABX
AAOV
AAOW
Pin Configurations
OUT
RST
TOP VIEW
Selector Guide
LX
6
5
4
PART
MAX1832EUT-T
SHDN
1
6
FB (RST)
OUTPUT
VOLTAGE
Adjustable
Fixed 3.3V
Fixed 3.0V
Adjustable
Fixed 3.3V
OUTPUT VOLTAGE
IN SHUTDOWN
V
BATT
V
BATT
V
BATT
V
BATT
- 0.7V
V
BATT
- 0.7V
BATT
2
MAX1832
5
MAX1834
(MAX1833EUT)
(MAX1835)
4
OUT
MAX1833EUT-T
MAX1833ETT
MAX1833ETT30-T
MAX1834EUT-T
MAX1835EUT-T
GND
3
LX
1
SHDN
2
BATT
3
GND
SOT23
TDFN
3mm
3mm
________________________________________________________________
Maxim Integrated Products
1
For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at
1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com.

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Manufacturer Maxim Maxim Maxim Maxim -
RoHS Details Details Details Details -
Mounting Style SMD/SMT SMD/SMT SMD/SMT SMD/SMT -
Package / Case SOT-23-6 SOT-23-6 SOT-23-6 SOT-23-6 -
Topology Boost Boost Boost Boost -
Packaging Reel Reel Reel Reel -
Factory Pack Quantity 2500 2500 2500 2500 -
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Number of Outputs - 1 Output 1 Output 1 Output -
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