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| 型号： | MAX5092EVKIT+ |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 1/24页 |
| 文件大小： | 0K |
| 描述： | KIT EVALUATION FOR MAX5092 |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 1 |
| 主要目的： | DC/DC，LDO 步升 |
| 输出及类型： | 1，非隔离 |
| 输出电压： | 5V |
| 电流 - 输出： | 250mA |
| 输入电压： | 4 ~ 72V |
| 稳压器拓扑结构： | 降压-升压 |
| 板类型： | 完全填充 |
| 已供物品： | 板 |
| 已用 IC / 零件： | MAX5092B |
ATION
EVALU
AVAILA
19-0659; Rev 1; 1/08
KIT
BLE
4V to 72V Input LDOs with Boost Preregulator
General Description
The MAX5092A/MAX5092B/MAX5093A/MAX5093B low-
quiescent-current, low-dropout (LDO) regulators contain
simple boost preregulators operating at a high frequency.
The devices seamlessly provide a preset 3.3V
(MAX5092A/MAX5093A) or 5V (MAX5092B/MAX5093B)
LDO output voltage from an automotive cold-crank
through load-dump (3.5V to 80V) input voltage condi-
tions. The MAX5092_/MAX5093_ deliver up to 250mA
with excellent load and line regulation. During normal
operation, when the battery is healthy, the boost preregu-
lator is completely turned off, reducing quiescent current
to 65μA (typ). This makes the devices suitable for
always-on power supplies.
The buck-boost operation achieved by this combination
of LDO and boost preregulator offers the advantage of
using a single off-the-shelf inductor in place of the mul-
tiple-winding custom magnetics needed in typical sin-
gle-ended primary inductor converter (SEPIC) and
transformer-based flyback topologies. The high operat-
ing frequency of the boost regulator significantly
reduces component size. The MAX5092_ integrates a
Features
o Wide Operating Input Voltage Range: 3.5V to 72V
with a 4V Startup Voltage
o LDO Output Regulates to 5V Seamlessly from an
Input Voltage of 3.5V to 72V
o Up to 250mA Output Current
o Preset 3.3V, 5V, or Externally Programmable LDO
Output Voltage from 1.5V to 9V (MAX5092_) or
from 1.5V to 10V (MAX5093_)
o Preset 7V or Externally Programmable Boost
Output Voltage Up to 11V (MAX5092_) or Up to
12V (MAX5093_)
o 65 μ A Quiescent Current in LDO Mode (V IN ≥ 8V)
o 5 μ A Shutdown Current
o Power-On Reset ( RESET ) with Programmable
Timeout Period
o Output Short-Circuit and Thermal Protection
o TQFN Package Capable of Dissipating Up to 2.7W
at +70°C
Ordering Information
blocking diode to further reduce the external compo-
nent count. The boost preregulator output voltage is
preset to 7V. Both LDO and boost output voltages are
PART
TEMP RANGE
PIN-
PACKAGE
PKG
CODE
programmable using external resistors. The boost pre-
regulator output voltage is adjustable up to 11V
(MAX5092_), or up to 12V (MAX5093_). The LDO output
voltage is adjustable from 1.5V to 9V (MAX5092_) or
from 1.5V to 10V (MAX5093_).
MAX5092 AATE+
MAX5092BATE+
MAX5093 AATE+
MAX5093BATE+
-40°C to +125°C 16 TQFN-EP*
-40°C to +125°C 16 TQFN-EP*
-40°C to +125°C 16 TQFN-EP*
-40°C to +125°C 16 TQFN-EP*
T1655-3
T1655-3
T1655-3
T1655-3
The devices feature a shutdown mode with 5μA (typ)
shutdown current, a HOLD input to implement a self-hold-
ing circuit, and a power-on-reset output ( RESET ) with an
externally programmable timeout period. Additional fea-
tures include output overload, short-circuit, and thermal
protection.
The MAX5092_/MAX5093_ are available in a thermally
+Denotes lead-free package.
*EP = Exposed pad.
TOP VIEW
Pin Configuration
enhanced, 16-pin 5mm x 5mm thin QFN package and
12
11
10
9
can dissipate up to 2.7W at +70°C on a multilayer PC
board (PCB).
BSFB 13
8
OUT
Applications
Automotive—Body Electronics
Automotive—ECU
Industrial
VL 14
CT 15
RESET 16
+
1
MAX5092_/
MAX5093_
2
3
4
7
6
5
OUT_SENSE
SET
PGND_LDO
Typical Operating Circuit and Selector Guide appear at end
of data sheet.
THIN QFN
(5mm x 5mm)
________________________________________________________________ Maxim Integrated Products
For pricing, delivery, and ordering information, please contact Maxim Direct at 1-888-629-4642,
or visit Maxim’s website at www.maxim-ic.com.
1
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX5092EVKIT+ | 功能描述:电源管理IC开发工具 MAX5092A-B/93A-B Eval Kit RoHS:否 制造商:Maxim Integrated 产品:Evaluation Kits 类型:Battery Management 工具用于评估:MAX17710GB 输入电压: 输出电压:1.8 V |
| MAX5093 | 制造商:MAXIM 制造商全称:Maxim Integrated Products 功能描述:4V to 72V Input LDOs with Boost Preregulator |
| MAX5093AATE+ | 功能描述:低压差稳压器 - LDO 4V to 72V LDO 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 |
| MAX5093AATE+T | 功能描述:低压差稳压器 - LDO 4V to 72V LDO 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 |
| MAX5093BATE+ | 功能描述:低压差稳压器 - LDO 4V to 72V LDO 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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