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參數(shù)資料
| 型號(hào)： | MAX1833ETT30-T |
| 廠商： | MAXIM INTEGRATED PRODUCTS INC |
| 元件分類(lèi)： | 穩(wěn)壓器 |
| 英文描述： | High-Efficiency Step-Up Converters with Reverse Battery Protection |
| 中文描述： | 1 A SWITCHING REGULATOR, DSO6 |
| 封裝： | 3 X 3 MM, 0.80 MM HEIGHT, MO-229-WEEA, TDFN-6 |
| 文件頁(yè)數(shù)： | 1/12頁(yè) |
| 文件大小： | 511K |
| 代理商： | MAX1833ETT30-T |
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.
________________________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
Features
o
Reverse Battery Protection for DC-DC Converter
and Load
o
Up to 90% Efficiency
o
No External Diode or FETs Needed
o
Internal Synchronous Rectifier
o
4μA Quiescent Current
o
<1μA Shutdown Supply Current
o
+1.5V to +5.5V Input Voltage Range
o
Accurate
SHDN
Threshold for Low-Battery Cutoff
o
BATT Connected to OUT in Shutdown for Backup
Power (MAX1832/MAX1833)
o
RST
Output (MAX1833/MAX1835)
o
Fixed 3.3V/3.0V Output Voltage
o
Adjustable Output Voltage (MAX1832/MAX1834)
o
Up to 150mA Output Current
o
Tiny 6-Pin SOT23 Package
o
Tiny 6-Pin Thin QFN Package (MAX1833ETT30)
M
High-Efficiency Step-Up Converters with
Reverse Battery Protection
________________________________________________________________
Maxim Integrated Products
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.
1
BATT
LX
GND
1
6
FB (RST)
5
OUT
SHDN
MAX1832
MAX1834
(MAX1833EUT)
(MAX1835)
SOT23
TOP VIEW
2
3
4
BATT
LX
GND
1
6
RST
5
OUT
SHDN
MAX1833ETT
TDFN
3mm
3mm
2
3
4
Pin Configurations
19-1802; Rev 1; 10/03
EVAVAILABLE
Ordering Information
PART
T EM P R A N G E
PIN
PA C K A G E
TOP
MARK
MAX1832
EUT-T
MAX1833
EUT-T
M A X1 8 3 3
E TT30- T
MAX1834
EUT-T
MAX1835
EUT-T
-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
6 SOT23-6
6 SOT23-6
6 TDFN-6
6 SOT23-6
6 SOT23-6
AAOT
AAOU
ABX
AAOV
AAOW
Selector Guide
PART
OUTPUT
VOLTAGE
OUTPUT VOLTAGE
IN SHUTDOWN
MAX1832EUT-T
MAX1833EUT-T
MAX1833ETT30-T
MAX1834EUT-T
MAX1835EUT-T
Adjustable
Fixed 3.3V
Fixed 3.0V
Adjustable
Fixed 3.3V
V
BATT
V
BATT
V
BATT
V
BATT
- 0.7V
V
BATT
- 0.7V
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| MAX1834 | High-Efficiency Step-Up Converters with Reverse Battery Protection |
| MAX1832EUT-T | High-Efficiency Step-Up Converters with Reverse Battery Protection |
| MAX1833EUT-T | High-Efficiency Step-Up Converters with Reverse Battery Protection |
| MAX1834EUT-T | High-Efficiency Step-Up Converters with Reverse Battery Protection |
| MAX1835EUT-T | High-Efficiency Step-Up Converters with Reverse Battery Protection |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MAX1833EUT | 制造商:Maxim Integrated Products 功能描述:HIGH-EFFICIENCY STEP-UP CONVERTER - Rail/Tube |
| MAX1833EUT#G16 | 制造商:Maxim Integrated Products 功能描述:HIGH-EFFICIENCY STEP-UP CONVERTERS WITH REVERSE BATTERY PROT - Bulk |
| MAX1833EUT#TG16 | 功能描述:直流/直流開(kāi)關(guān)轉(zhuǎn)換器 Step-Up Converter w/Reverse Bat Prtct RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開(kāi)關(guān)頻率:1.5 MHz 輸出電壓:4.6 V 輸出電流:250 mA 輸出端數(shù)量:2 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT |
| MAX1833EUT-T | 功能描述:直流/直流開(kāi)關(guān)轉(zhuǎn)換器 Step-Up Converter w/Reverse Bat Prtct RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開(kāi)關(guān)頻率:1.5 MHz 輸出電壓:4.6 V 輸出電流:250 mA 輸出端數(shù)量:2 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT |
| MAX1833EVKIT | 功能描述:直流/直流開(kāi)關(guān)轉(zhuǎn)換器 Evaluation Kit for the MAX1832 MAX1833 MAX1834 MAX1835 RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開(kāi)關(guān)頻率:1.5 MHz 輸出電壓:4.6 V 輸出電流:250 mA 輸出端數(shù)量:2 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT |
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