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参数资料
| 型号： | MAX15009ATN+ |
| 厂商： | Maxim Integrated |
| 文件页数： | 11/24页 |
| 文件大小： | 0K |
| 描述： | IC REG LDO 5V/ADJ .3A 56-TQFN |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 37 |
| 稳压器拓扑结构： | 正，固定式或可调式 |
| 输出电压： | 5V，1.8 V ~ 11 V |
| 输入电压： | 5 V ~ 40 V |
| 电压 - 压降（标准）： | 0.8V @ 300mA |
| 稳压器数量： | 1 |
| 电流 - 输出： | 300mA（最小） |
| 电流 - 限制（最小）： | 330mA |
| 工作温度： | -40°C ~ 125°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 56-WFQFN 裸露焊盘 |
| 供应商设备封装： | 56-TQFN-EP（8x8） |
| 包装： | 托盘 |
Automotive 300mA LDO Regulators with
Switched Output and Overvoltage Protector
Pin Description (continued)
PIN
NAME
MAX15009 MAX15011
FUNCTION
LDO Voltage Feedback Input. Connect FB_LDO to SGND to select the preset +5V
15
FB_LDO
FB_LDO
output voltage. Connect FB_LDO to an external resistive voltage-divider for adjustable
output operation. See the Setting the Output Voltage section.
Active-High LDO Enable Input. Connect EN_LDO to IN or to a logic-high voltage to
16
EN_LDO
EN_LDO
turn on the regulator. To place the LDO in shutdown, pull EN_LDO low or leave
unconnected and leave HOLD unconnected. EN_LDO is internally pulled to SGND
through a 1μA current sink. See the Control Logic section.
Active-High Switch Enable Input. Connect EN_SW to IN or to a logic-high voltage to
17
EN_SW
EN_SW
turn on the switch. Pull EN_SW low or leave unconnected to place the switch in
shutdown. EN_SW is internally pulled to SGND through a 1μA current sink.
Protector Enable Input. Drive EN_PROT low to force GATE low and turn off the external
18
EN_PROT
—
n-channel MOSFET. EN_PROT is internally pulled to SGND by a 1μA sink current.
Connect EN_PROT to IN for normal operation.
19, 20
IN
IN
Regulator Input. Bypass IN to SGND with a 10μF capacitor with an ESR < 1.5 Ω .
LDO Regulator Output. Bypass OUT_LDO to SGND with a ceramic capacitor with a
21, 22
OUT_LDO
OUT_LDO
minimum value of 22μF. OUT_LDO has a fixed 5V output or can be adjusted from1.8V
to 11V. See the Setting the Output Voltage section.
Switch Overcurrent Blanking Time Programming Input. Leave OC_DELAY
23
OC_DELAY
OC_DELAY
unconnected to select the minimum delay timeout before turning the switch off.
OC_DELAY is internally pulled to SGND through a 1μA current source. See the
Programming the Switch Overcurrent Blanking Time section.
Switch Current-Limit Set Input. Connect a 10k Ω to 200k Ω resistor from ILIM to SGND to
24
ILIM
ILIM
select the current limit for the internal switch. Connect ILIM to OUT_LDO to select the
internal 170mA (min) current-limit threshold. Do not leave ILIM unconnected. See the
Setting the Switch Current Limit section.
Active-Low Hold Input. If EN_LDO is high when HOLD is forced low, the regulator
latches the state of the EN_LDO input and allows the regulator to remain turned on
25
HOLD
HOLD
when EN_LDO is subsequently pulled low. To shut down the regulator, release HOLD
after EN_LDO is pulled low. If HOLD functionality is unused, connect HOLD to
OUT_LDO or leave unconnected. HOLD is internally pulled up to OUT_LDO through a
0.6μA current source. See the Control Logic section.
27, 28
—
OUT_SW
EP
OUT_SW
EP
Switch Output. Bypass OUT_SW to SGND with a minimum 0.1μF ceramic capacitor.
Exposed Pad. Connect EP to SGND plane. EP also functions as a heatsink to maximize
thermal dissipation. Do not use as the main ground connection.
______________________________________________________________________________________
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX15009ATN+ | 功能描述:低压差稳压器 - LDO Automotive 300mA w/Switched Output RoHS:否 制造商:Texas Instruments 最大输入电压:36 V 输出电压:1.4 V to 20.5 V 回动电压（最大值）:307 mV 输出电流:1 A 负载调节:0.3 % 输出端数量: 输出类型:Fixed 最大工作温度:+ 125 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-20 |
| MAX15009ATN+T | 功能描述:低压差稳压器 - LDO Automotive 300mA w/Switched Output RoHS:否 制造商:Texas Instruments 最大输入电压:36 V 输出电压:1.4 V to 20.5 V 回动电压（最大值）:307 mV 输出电流:1 A 负载调节:0.3 % 输出端数量: 输出类型:Fixed 最大工作温度:+ 125 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-20 |
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