參數(shù)資料
型號(hào)： MAX1559
廠商： Maxim Integrated Products, Inc.
英文描述： 5-Output Power-Management IC For Low-Cost PDAs
中文描述： 5路輸出電源管理IC，用于低成本PDA
文件頁數(shù)： 11/14頁
文件大?。?/td> 526K
代理商： MAX1559
The circuit consists of the PWM source, capacitor C10,
and resistors R
D
and R
W
. To analyze the transfer func-
tion of the PWM circuit, it is easiest to first simplify it to
its Thevenin equivalent. The Thevenin voltage can be
calculated using the following formula:
V
THEV
= (D
V
OH
) + (1 - D)
V
OL
where D is the duty cycle of the PWM signal, V
OH
is the
PWM output high level (often 3.3V), and V
OL
is the
PWM output low level (usually 0V). For CMOS logic, this
equation simplifies to:
V
THEV
= D
V
DD
M
5-Output Power-Management IC For
Low-Cost PDAs
______________________________________________________________________________________
11
MAX1559
MAIN
COR1
SW
LCD OFF
SWITCH
LX
LFB
GND
IN
SWIN
REF
REF
ENSD
3.3V, 500mA
3.3V, 400mA
1V, 250mA
RESET
OUTPUT
1.8V, 30mA
LCD
20V
1mA
ENC2
ENLCD
RS
SDIG
COR2
ON
OFF
LDO
CONTROL
LDO
CONTROL
LDO
CONTROL
LDO
CONTROL
LCD
BOOST
REF
THSD
BIAS
CURRENT
Figure 2. Functional Diagram
相關(guān)PDF資料
PDF描述
MAX1559ETE 5-Output Power-Management IC For Low-Cost PDAs
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MAX1559ETE 功能描述:PMIC 解決方案 Complete PMIC for PDAs RoHS:否 制造商:Texas Instruments 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:QFN-24 封裝:Reel
MAX1559ETE-T 功能描述:PMIC 解決方案 Complete PMIC for PDAs RoHS:否 制造商:Texas Instruments 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:QFN-24 封裝:Reel
MAX155ACPI 功能描述:模數(shù)轉(zhuǎn)換器 - ADC RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 結(jié)構(gòu):Sigma-Delta 轉(zhuǎn)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(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-32
MAX155ACPI+ 功能描述:模數(shù)轉(zhuǎn)換器 - ADC 8-Bit 8Ch 250ksps 2.5V Precision ADC RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 結(jié)構(gòu):Sigma-Delta 轉(zhuǎn)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(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-32
MAX155ACWI 功能描述:模數(shù)轉(zhuǎn)換器 - ADC RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 結(jié)構(gòu):Sigma-Delta 轉(zhuǎn)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(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-32
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