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参数资料
| 型号： | LTC2991CMS#PBF |
| 厂商： | LINEAR TECHNOLOGY CORP |
| 元件分类： | 电源管理 |
| 英文描述： | 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO16 |
| 封装： | LEAD FREE, PLASTIC, MSOP-16 |
| 文件页数： | 31/32页 |
| 文件大小： | 230K |
| 代理商： | LTC2991CMS#PBF |
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LTC2991
8
2991f
PIN FUNCTIONS
V1 (Pin 1): First Monitor Input. This pin can be configured
as a single-ended input (0V to 4.9V) or the positive input
for a differential or remote diode temperature measurement
(in combination with V2). Differential common mode range
is 0V to VCC, ±300mV differential. When configured for
remote diode temperature, this pin will source a current.
V2 (Pin 2): Second Monitor Input. This pin can be config-
ured as a single-ended input (0V to 4.9V) or the negative
input for a differential or remote diode temperature mea-
surement (in combination with V1). Differential common
mode range is 0V to VCC, ±300mV differential. When
configured for remote diode temperature, this pin will have
an internal termination, while the measurement is active.
V3 (Pin 3): Third Monitor Input. This pin can be configured
as a single-ended input (0V to 4.9V) or the positive input
for a differential or remote diode temperature measurement
(in combination with V4). Differential common mode range
is 0V to VCC, ±300mV differential. When configured for
remote diode temperature, this pin will source a current.
V4 (Pin 4): Fourth Monitor Input. This pin can be configured
as a single-ended input (0V to 4.9V) or the negative input
for a differential or remote diode temperature measurement
(in combination with V3). Differential common mode range
is 0V to VCC, ±300mV differential. When configured for
remote diode temperature, this pin will have an internal
termination, while the measurement is active.
V5 (Pin 5): Fifth Monitor Input. This pin can be configured
as a single-ended input (0V to 4.9V) or the positive input
for a differential or remote diode temperature measurement
(in combination with V6). Differential common mode range
is 0V to VCC, ±300mV differential. When configured for
remote diode temperature, this pin will source a current.
V6 (Pin 6): Sixth Monitor Input. This pin can be configured
as a single-ended input (0V to 4.9V) or the negative input
for a differential or remote diode temperature measurement
(in combination with V5). Differential common mode range
is 0V to VCC, ±300mV differential. When configured for
remote diode temperature, this pin will have an internal
termination, while the measurement is active.
V7 (Pin 7): Seventh Monitor Input. This pin can be
configured as a single-ended input (0V to 4.9V) or the
positive input for a differential or remote diode tempera-
ture measurement (in combination with V8). Differential
common mode range is 0V to VCC, ±300mV differential.
When configured for remote diode temperature, this pin
will source a current.
V8 (Pin 8): Eighth Monitor Input. This pin can be configured
as a single-ended input (0V to 4.9V) or the negative input
for a differential or remote diode temperature measurement
(in combination with V7). Differential common mode range
is 0V to VCC, ±300mV differential. When configured for
remote diode temperature, this pin will have an internal
termination, while the measurement is active.
GND (Pin 9): Device Ground. Connect this pin through a
low impedance connection to system ground.
SDA (Pin 10): Serial Bus Data Input and Output. In the
transmitter mode (read), the conversion result is output
through the SDA pin, while in the receiver mode (write),
the device configuration bits are input through the SDA
pin. At data input mode, the pin is high impedance; while
at data output mode, it is an open-drain N-channel driver
and, therefore, an external pull-up resistor or current
source to VCC is needed.
SCL (Pin 11): Serial Bus Clock Input of the I2C Interface.
The LTC2991 can only act as a slave and the SCL pin
only accepts external serial clock. The LTC2991 does not
implement clock stretching.
PWM (Pin 12): PWM Output. The PWM pin provides a
CMOS output level with a duty cycle proportional to the
remote diode temperature of the sensor connected to
pins V7 and V8.
ADR0, ADR1, ADR2 (Pins 13, 14, 15): Serial Bus Address
Control Input. The ADR pins are address control bits for
the device I2C address. See Table 1.
VCC (Pin 16): Chip Power. Connect to 2.9V to 5.5V low
noise supply. A 0.1μF decoupling capacitor to GND is
required for this pin.
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相关代理商/技术参数 |
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| LTC2991IMS#PBF | 功能描述:IC MONITOR OCTAL 16MSOP RoHS:是 类别:集成电路 (IC) >> PMIC - 热管理 系列:- 标准包装:3,000 系列:- 功能:温度开关 传感器类型:内部 感应温度:85°C 分界点 精确度:±6°C（最小值） 拓扑:ADC（三角积分型），比较器，寄存器库 输出类型:开路漏极 输出警报:是 输出风扇:是 电源电压:2.7 V ~ 5.5 V 工作温度:-55°C ~ 125°C 安装类型:表面贴装 封装/外壳:SC-74A，SOT-753 供应商设备封装:SOT-23-5 包装:带卷 (TR) 其它名称:ADT6501SRJZP085RL7-ND |
| LTC2991IMS#TRPBF | 功能描述:IC MONITOR OCTAL 16MSOP RoHS:是 类别:集成电路 (IC) >> PMIC - 热管理 系列:- 标准包装:2,500 系列:SilentSense™ 功能:温度监控系统（传感器） 传感器类型:内部和外部 感应温度:-55°C ~ 125°C，外部传感器 精确度:±2°C 本地（最大），±3°C 远程（最大） 拓扑:ADC（三角积分型），比较器，寄存器库 输出类型:I²C?/SMBus? 输出警报:是 输出风扇:是 电源电压:2.7 V ~ 5.5 V 工作温度:-55°C ~ 125°C 安装类型:表面贴装 封装/外壳:8-TSSOP，8-MSOP（0.118"，3.00mm 宽） 供应商设备封装:8-MSOP 包装:带卷 (TR) 其它名称:MIC284-2BMMTRMIC284-2BMMTR-ND |
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