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| 型号： | MAX8569AEUT+T |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 6/11页 |
| 文件大小： | 0K |
| 描述： | IC REG BST SYNC ADJ 0.2A SOT23-6 |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 1 |
| 类型： | 升压（升压） |
| 输出类型： | 可调式 |
| 输出数： | 1 |
| 输出电压： | 2 V ~ 5.5 V |
| 输入电压： | 1.5 V ~ 5.5 V |
| 电流 - 输出： | 200mA |
| 同步整流器： | 是 |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | SOT-23-6 |
| 包装： | 标准包装 |
| 供应商设备封装： | SOT-6 |
| 其它名称： | MAX8569AEUT+TDKR |
200mA Step-Up Converters in 6-Pin
SOT23 and TDFN
Typical Operating Characteristics (continued)
(Circuit of Figure 2, V OUT = 3.3V, V BATT = +2V, T A = +25 ° C, circuit of Figure 1, T A = +25 ° C, unless otherwise noted.)
SHUTDOWN RESPONSE
SWITCHING WAVEFORMS
(R LOAD = 33 ? )
MAX8569 toc13
V OUT
(AC-COUPLED)
(R LOAD = 33 ? )
MAX8569 toc14
100mV/div
3.3V
V OUT
V SHDN
100 μ s/div
2V
2V/div
V LX
I L
10 μ s/div
2V/div
500mA/div
Pin Description
PIN
MAX8569A MAX8569B
NAME
FUNCTION
Shutdown Input. Drive SHDN low to place the MAX8569 in shutdown mode. SHDN can be
1
1
SHDN
used for a low-battery cutoff (1.228V threshold). See the Low-Battery Cutoff section for
details. Drive SHDN high for normal operation.
2
3
4
5
6
2
3
4
5
—
BATT
GND
LX
OUT
FB
Battery Voltage Connection. Connect BATT to a 1.5V to 5.5V supply. Bypass BATT to GND
with a 10μF or larger ceramic capacitor.
Ground
Inductor Connection. Connect the switched side of the inductor to LX. During shutdown,
LX is connected to OUT.
Output Voltage. Bypass OUT to GND with a 10μF or larger ceramic capacitor. During
shutdown, OUT is connected to LX. OUT is also the bootstrapped supply input for the IC.
Feedback Input. Connect FB to the center tap of an external resistor-divider from OUT to
GND to set the output voltage. V FB regulates to 1.228V.
Reset Output. RST is an open-drain output that goes high impedance when the output
—
6
RST
voltage rises above 90% of the nominal regulation voltage. RST pulls low when the output
is below 90% of the nominal regulation voltage. RST is high impedance during shutdown.
—
—
EP
Exposed Paddle (TDFN Package Only). Connect to the PC board ground plane for
increased thermal performance.
6
_______________________________________________________________________________________
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX8569BETT+ | 制造商:Maxim Integrated Products 功能描述:CONV DC-DC SGL-OUT STEP UP 6TDFN EP - Rail/Tube |
| MAX8569BETT+T | 功能描述:直流/直流开关转换器 200mA Step-Up 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 |
| MAX8569BETT30 | 制造商:Rochester Electronics LLC 功能描述: 制造商:Maxim Integrated Products 功能描述: |
| MAX8569BETT30+ | 制造商:Maxim Integrated Products 功能描述:CONV DC-DC SGL-OUT STEP UP 6TDFN EP - Rail/Tube |
| MAX8569BETT30+T | 功能描述:直流/直流开关转换器 200mA Step-Up 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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