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参数资料
| 型号： | MAX16922ATPJ/V+T |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 10/17页 |
| 文件大小： | 0K |
| 描述： | IC DCDC CONV STPDN DL LDO 20TQFN |
| 标准包装： | 2,500 |
| 应用： | 车载系统 |
| 电源电压： | 3.7 V ~ 28 V |
| 工作温度： | -40°C ~ 125°C |
| 安装类型： | * |
| 封装/外壳： | * |
| 供应商设备封装： | * |
| 包装： | * |
MAX16922
2.2MHz, Dual, Step-Down DC-DC
Converters, Dual LDOs, and RESET
Pin Description (continued)
TQFN
PIN
TSSOP
NAME
FUNCTION
OUT2 Voltage Sense Input. Connect OUTS2 directly to the OUT2 output voltage and
8
10
OUTS2
bypass to PGND2 with a minimum total capacitance of 10μF. The total capacitance can
include input bypass capacitors cascaded from OUT2, discharged by a 70 Ω resistance
between OUTS2 and PGND2 when disabled.
9
10
11
12
13
14
15
16
17
18
19
20
11
12
13
14
15
16
17
18
19
20
1
2
PGND2
LX2
PV2
PV3
OUT3
GND2
OUT4
PV4
LSUP
RESET
GND1
EN
Power Ground for BUCK 2. Connect PGND2 and GND_ together near the device.
Inductor Connection for OUT2. Connect a 2.2μH inductor between LX2 and OUT2 as shown
in the Functional Diagram .
OUT2 Supply Input. Connect a 4.7μF or larger ceramic capacitor from PV2 to ground.
Linear-Regulator Power Input for OUT3. Bypass PV3 to GND with a minimum 2.2μF ceramic
capacitor.
Linear-Regulator 1 Output. Bypass OUT3 to GND with a minimum 2.2μF ceramic capacitor
internally discharged by a 1k Ω resistance when disabled.
Ground. Connect GND, GND1, GND2, and GND3 together.
Linear-Regulator 2 Output. Bypass OUT4 to GND with a minimum 2.2μF ceramic capacitor.
Internally discharged by a 1k Ω resistance when disabled.
Linear-Regulator Power Input for OUT4. Bypass PV4 to GND with a minimum 2.2μF ceramic
capacitor.
5V Logic Supply to Provide Power to Internal Circuitry. Bypass LSUP to GND1 with a 1μF
ceramic capacitor.
Open-Drain Reset Output for the Input Monitoring OUT1 and OUT2. External pullup
required.
Ground. Connect GND, GND1, GND2, and GND3 together.
Active-High Enable Input. Connect EN to PV1 or a logic-high voltage to turn on all
regulators. Pull EN input low to place the regulators in shutdown.
Exposed Pad. Connect the exposed pad to ground. Connecting the exposed pad to ground
—
—
EP
does not remove the requirement for proper ground connections to PGND2 and GND_. The
exposed pad is attached with epoxy to the substrate of the die, making it an excellent path
to remove heat from the device.
10
Maxim Integrated
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX16922ATPK/V+ | 功能描述:直流/直流开关转换器 2.2MHz Dual Step-Dwn DC/DC 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 |
| MAX16922ATPK/V+T | 功能描述:直流/直流开关转换器 2.2MHz Dual Step-Dwn DC/DC 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 |
| MAX16922ATPL/V+ | 功能描述:直流/直流开关转换器 2.2MHz Dual Step-Dwn DC/DC 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 |
| MAX16922ATPL/V+T | 功能描述:直流/直流开关转换器 2.2MHz Dual Step-Dwn DC/DC 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 |
| MAX16922AUPA/V+ | 功能描述:直流/直流开关转换器 2.2MHz Dual Step-Dwn DC/DC 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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