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參數(shù)資料
| 型號： | MAX1833 |
| 廠商： | Maxim Integrated Products, Inc. |
| 元件分類： | 數(shù)字信號處理 |
| 英文描述： | Replaced by TMS320BC52 : Digital Signal Processors 100-LQFP -40 to 85 |
| 中文描述： | 高效率、升壓型轉(zhuǎn)換器，帶有反接電池保護 |
| 文件頁數(shù)： | 6/12頁 |
| 文件大小： | 511K |
| 代理商： | MAX1833 |
M
High-Efficiency Step-Up Converters with
Reverse Battery Protection
6
_______________________________________________________________________________________
10
μ
H
GND
RST
+1.5V TO +3.3V
BATTERY
OUT
OUTPUT
+3.3V
POWER-ON
RESET
BATT
SHDN
LX
MAX1833
MAX1835
100k
10
μ
F
R4
220k
R3
1M
C1
10nF
10
μ
F
10
μ
H
GND
FB
+1.5V TO +5.0V
BATTERY
OUT
OUTPUT
+5.0V
BATT
SHDN
LX
MAX1832
MAX1834
R2
309k
R1
100k
R3
1M
R4
220k
C1
10nF
10
μ
F
Pin Description
PIN
MAX1832
MAX1834
MAX1833
MAX1835
NAME
FUNCTION
1
1
SHDN
S hutd ow n. A hi g h l og c l evel tur ns on the d evi ce. W hen
SHD N
i s l ow the p ar i s off,
and the cur ent i nto BATT i s typ cal y 0.1μA. For the M AX 1832/M AX 1833, the
b atter y i s connected to OU T thr oug h an i nter nal P FE T and the exter nal i nd uctor
w hen
SHD N
i s l ow
SHD N
can b e used for l ow b atter y cutoff ( 1.228V thr eshol d
S ee Low Batter y C utoff
.
SHD N
has r ever se b atter y p otecti on.
Battery Voltage Connection. BATT has reverse battery protection.
2
2
BATT
3
3
GND
Ground
4
4
LX
Inductor Connection. N-channel MOSFET switch drain and synchronous
rectifier P-channel switch drain. LX has reverse battery protection.
5
5
OUT
Output Voltage. Bootstrapped supply for the device. Output sense point for
MAX1833/MAX1835.
6
—
FB
MAX1832/MAX1834 Feedback Input. Set the output voltage through a
resistor-divider network. See
Setting the Output Voltage
.
—
6
RST
MAX1833/MAX1835 Power-On Reset Open-Drain Output.
RST
pulls low when
the output is 10% below the regulation point. If not used, connect to GND.
Figure 1a. MAX1833/MAX1835 Typical Operating Circuit
Figure 1b. MAX1832/MAX1834 Typical Operating Circuit
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| MAX1833ETT30 | 制造商:Maxim Integrated Products 功能描述:HIGH-EFFICIENCY STEP-UP CONVERTER - Rail/Tube |
| MAX1833ETT30+ | 制造商:Maxim Integrated Products 功能描述: |
| MAX1833ETT30+T | 功能描述:直流/直流開關轉(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 開關頻率: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 安裝風格:SMD/SMT |
| MAX1833ETT30-T | 功能描述:直流/直流開關轉(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 開關頻率: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 安裝風格:SMD/SMT |
| MAX1833EUT | 制造商:Maxim Integrated Products 功能描述:HIGH-EFFICIENCY STEP-UP CONVERTER - Rail/Tube |
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