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参数资料
| 型号： | MAX16975BAEE/V+ |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 8/17页 |
| 文件大小： | 0K |
| 描述： | IC REG BUCK SYNC 5V/ADJ 16QSOP |
| 其它有关文件： | Automotive Product Guide |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 100 |
| 类型： | 降压（降压） |
| 输出类型： | 两者兼有 |
| 输出数： | 1 |
| 输出电压： | 5V，1 V ~ 10 V |
| 输入电压： | 3.5 V ~ 28 V |
| PWM 型： | 电流模式 |
| 频率 - 开关： | 220kHz ~ 1MHz |
| 电流 - 输出： | 1.2A |
| 同步整流器： | 是 |
| 工作温度： | -40°C ~ 125°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 16-SSOP（0.154"，3.90mm 宽） |
| 包装： | 管件 |
| 供应商设备封装： | 16-QSOP |
MAX16975
28V, 1.2A Automotive Step-Down Converter
with Low Operating Current
Pin Configurations
TOP VIEW
TOP VIEW
CRES 1
FOSC 2
FSYNC 3
I.C. 4
COMP 5
FB 6
OUT 7
GND 8
+
MAX16975A
EP
16 RESETI
15 RES
14 EN
13 SUPSW
12 LX
11 SUP
10 BST
9 BIAS
CRES 1
FOSC 2
FSYNC 3
I.C. 4
COMP 5
FB 6
OUT 7
GND 8
+
MAX16975B
16 RESETI
15 RES
14 EN
13 SUPSW
12 LX
11 SUP
10 BST
9 BIAS
QSOP
QSOP
Pin Description
PIN
1
2
3
4
5
6
7
8
9
10
11
12
NAME
CRES
FOSC
FSYNC
I.C.
COMP
FB
OUT
GND
BIAS
BST
SUP
LX
FUNCTION
Analog Reset Timer. CRES sources 10 F A (typ) of current into an external capacitor to set the reset timeout
period. Reset timeout period is defined as the time between the start of output regulation and RES switch-
ing to high impedance. Leave CRES unconnected for minimum delay time.
Resistor-Programmable Switching Frequency Control Input. Connect a resistor from FOSC to GND to set
the switching frequency (see the Internal Oscillator section).
Synchronization Input. The device synchronizes to an external signal applied to FSYNC. The external signal
period must be 10% shorter than the internal clock period for proper operation.
Internally Connected. Connect to GND.
Error-Amplifier Output. Connect a compensation network from COMP to GND for stable operation. See the
Compensation Network section.
Feedback Input. Connect an external resistive divider from FB to OUT and GND to set the output voltage
between 1V and 10V. Connect FB directly to BIAS to set the output voltage to 5V. See the Applications
Information section.
Connect OUT to the output of the converter. OUT provides power to the internal circuitry when the output
voltage of the converter is set between 3V and 5.6V. During shutdown, OUT is pulled to GND with a 50 I
resistor.
Ground
Linear Regulator Output. BIAS powers the internal circuitry. Bypass BIAS with a 1 F F capacitor to ground as
close as possible to the device. During shutdown, BIAS is actively discharged through a 32k I resistor.
High-Side Driver Supply. Connect a 0.1 F F capacitor between LX and BST for proper operation.
Voltage Supply Input. SUP powers the internal linear regulator. Connect a 4.7 F F capacitor from SUP to
ground. Connect SUP to SUPSW.
Inductor Connection. Connect a rectifying Schottky diode between LX and GND. Connect an inductor from
LX to the output.
Maxim Integrated
8
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX16976AEE/V+ | 功能描述:直流/直流开关转换器 28V 600Ma 2MHz Step-Down RoHS:否 制造商:STMicroelectronics 最大输入电压:4.5 V 开关频率:1.5 MHz 输出电压:4.6 V 输出电流:250 mA 输出端数量:2 最大工作温度:+ 85 C 安装风格:SMD/SMT |
| MAX16976AEE/V+T | 功能描述:直流/直流开关转换器 28V 600Ma 2MHz Step-Down RoHS:否 制造商:STMicroelectronics 最大输入电压:4.5 V 开关频率:1.5 MHz 输出电压:4.6 V 输出电流:250 mA 输出端数量:2 最大工作温度:+ 85 C 安装风格:SMD/SMT |
| MAX16977EVKIT# | 功能描述:直流/直流开关转换器 36V 2A 2.2MHz Step-Down Converter with Low Operating Current RoHS:否 制造商:STMicroelectronics 最大输入电压:4.5 V 开关频率:1.5 MHz 输出电压:4.6 V 输出电流:250 mA 输出端数量:2 最大工作温度:+ 85 C 安装风格:SMD/SMT |
| MAX16977RATE/V+ | 功能描述:直流/直流开关转换器 36V 2A 2.2MHz Step-Down Converter RoHS:否 制造商:STMicroelectronics 最大输入电压:4.5 V 开关频率:1.5 MHz 输出电压:4.6 V 输出电流:250 mA 输出端数量:2 最大工作温度:+ 85 C 安装风格:SMD/SMT |
| MAX16977RATE/V+T | 功能描述:直流/直流开关转换器 36V 2A 2.2MHz Step-Down Converter RoHS:否 制造商:STMicroelectronics 最大输入电压:4.5 V 开关频率:1.5 MHz 输出电压:4.6 V 输出电流:250 mA 输出端数量:2 最大工作温度:+ 85 C 安装风格:SMD/SMT |
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