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參數資料
型號: MAX1765EUE+
廠商: Maxim Integrated
文件頁數: 18/19頁
文件大小: 867K
描述: IC REG DL BST/LINEAR 16TSSOP
產品培訓模塊: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
標準包裝: 96
拓撲: 升壓(升壓)同步(1),線性(LDO)(1)
功能: 任何功能
輸出數: 2
頻率 - 開關: 1MHz
電壓/電流 - 輸出 1: 2.5 V ~ 5.5 V,800mA
電壓/電流 - 輸出 2: 2.85V/可調,500mA
帶 LED 驅動器:
帶監控器:
帶序列發生器:
電源電壓: 0.7 V ~ 5.5 V
工作溫度: -40°C ~ 85°C
安裝類型: 表面貼裝
封裝/外殼: 16-TSSOP(0.173",4.40mm)裸露焊盤
供應商設備封裝: 16-TSSOP-EP
包裝: 管件
Table 5 lists the typical available output current when oper-
ating with one or more NiCd/NiMH cells or one Li+ cell.
Adding a Manual Power Reset
A momentary pushbutton switch can be used to turn
the MAX1765 on and off (Figure 11). ONA is pulled low
and ONBis pulled high to turn the device off. When the
momentary switch is pressed, ONB is pulled low and
the regulator turns on. The switch must be pressed
long enough for the microcontroller (礐) to exit reset
and drive ONA high. A small capacitor is added to help
debounce the switch. The 礐 issues a logic high to
ONA, which holds the device on, regardless of the
switch state. To turn the regulator off, press the switch
again, allowing the 礐 to read the switch status and
pull ONA low. When the switch is released, ONB is
pulled high.
800mA, Low-Noise, Step-Up DC-DC Converter
with 500mA Linear Regulator
18 ______________________________________________________________________________________
Table 5. Typical Available Output Current
NUMBER OF CELLS
INPUT VOLTAGE
(V)
OUTPUT VOLTAGE
(V)
OUTPUT CURRENT
(mA)
1 NiCd/NiMH
1.2
3.3
330
2.4
3.3
730
2 NiCd/NiMH
2.4
5.0
460
3 NiCd/NiMH or 1 Li+
3.6
5.0
720
PA
RF
LX
POUT
GND
OUTL
CONTROL
INPUTS
?SPAN class="pst MAX1765EUE-_2470797_6">C
I/O
MAX1765
INL
V
DD
I/O
ONA
ONB
POUT
I/O
0.1糉
ON/OFF
270k
270k
MAX1765
Figure 10. Typical Phone Application
Figure 11. Momentary Pushbutton On/Off Switch
Package Information
For the latest package outline information and land patterns
(footprints), go to www.maxim-ic.com/packages
. Note that a
+, #, or - in the package code indicates RoHS status only.
Package drawings may show a different suffix character, but
the drawing pertains to the package regardless of RoHS status.
PACKAGE
TYPE
PACKAGE
CODE
OUTLINE
NO.
LAND
PATTERN NO.
16 QSOP
E16+1
21-0055
90-0167
16 QSOP-EP
U16E+3
21-0108
90-0120
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相關代理商/技術參數
參數描述
MAX1765EUE+ 功能描述:直流/直流開關轉換器 800mA Step-Up w/500mA Linear Reg 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 輸出端數量:2 最大工作溫度:+ 85 C 安裝風格:SMD/SMT
MAX1765EUE+T 功能描述:直流/直流開關轉換器 800mA Step-Up w/500mA Linear Reg 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 輸出端數量:2 最大工作溫度:+ 85 C 安裝風格:SMD/SMT
MAX1765EUE-T 功能描述:直流/直流開關轉換器 800mA Step-Up w/500mA Linear Reg 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 輸出端數量:2 最大工作溫度:+ 85 C 安裝風格:SMD/SMT
MAX1765EVKIT 功能描述:直流/直流開關轉換器 Evaluation Kit for the MAX1765 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 輸出端數量:2 最大工作溫度:+ 85 C 安裝風格:SMD/SMT
MAX176ACPA 功能描述:模數轉換器 - ADC Integrated Circuits (ICs) RoHS:否 制造商:Texas Instruments 通道數量:2 結構:Sigma-Delta 轉換速率:125 SPs to 8 KSPs 分辨率:24 bit 輸入類型:Differential 信噪比:107 dB 接口類型:SPI 工作電源電壓:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-32
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