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| 型号： | MAX710ESE |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 8/12页 |
| 文件大小： | 0K |
| 描述： | IC REG BUCK BOOST 3.3V/5V 16SOIC |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 50 |
| 类型： | 降压（降压），升压（升压） |
| 输出类型： | 固定 |
| 输出数： | 1 |
| 输出电压： | 3.3V，5V |
| 输入电压： | 1.8 V ~ 11 V |
| 电流 - 输出： | 700mA |
| 同步整流器： | 无 |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 16-SOIC（0.154"，3.90mm 宽） |
| 包装： | 管件 |
| 供应商设备封装： | 16-SOIC |
| 其它名称： | Q907349 |
MAX710/MAX711
3.3V/5V or Adjustable,
Step-Up/Down DC-DC Converters
NO.
DESCRIPTION
CONNECTIONS
1
Up to 7V
N/ E = GND
In high-efficiency mode (N/ E = low), the maximum
input voltage is limited to 7V. This voltage limitation is
easily overcome, however, by configuring the LBO out-
put to change modes based on input voltage, allowing
an 11V maximum input with high-efficiency configura-
tions. Four operating configurations are described in
Table 1 and in the following subsections.
Table 1. Operating Configurations
INPUT
VOLTAGE
High efficiency,
7V max V IN
High efficiency, LBO = N/ E
2 V BATT < V OUT Up to 11V LBI- = V OUT
(Figure 2a) LBI+ = V IN
High efficiency, LBO = N/ E
3 11V, V BATT < 6.5V Up to 11V LBI- = REF
(Figure 2b) LBI+ = R5, R6
Configuration 1: High Efficiency, 7V Max V IN
With N/ E connected to GND, when the IC boosts, the
linear regulator operates only as a switch, with mini-
mum forward drop, until V IN > V OUT (where linear regu-
lation begins). This configuration is limited to no more
than 7V input, but provides best efficiency for battery-
only operation or low-voltage AC adapter usage.
Configuration 2: High Efficiency, V BATT < V OUT
In this configuration, N/ E is driven high by LBO when
V IN > V OUT (Figure 2a). When V IN < V OUT , the IC
boosts, and the linear regulator operates as a switch,
with minimum forward drop. When V IN > V OUT , the lin-
ear regulator operates with V FV forward drop, while V PS
increases by V FV so that OUT maintains regulation. V FV
is set inside the IC to approximately 0.5V (at 5V V OUT ).
When V IN is only slightly higher than V OUT , conversion
efficiency is poorer than in configuration 1, so configu-
ration 2 is most suitable when the battery voltage is less
than V OUT , but the AC adapter output is greater than
V OUT .
4
Low noise
Up to 11V
N/ E = PS
V IN = +1.8V TO +11V
V IN = +1.8V TO +11V
100 μ F
SHDN
LX
L1
100 μ F
SHDN
LX
L1
STBY
N/E
LBO
MAX710
PS
OUT
4.7 μ F
100 μ F
R5
STBY
N/E
LBO
MAX710
PS
OUT
4.7 μ F
100 μ F
LBI+
LBI+
LBI-
REF
3/5
R6
LBI-
REF
3/5
R5 = R6
( V IN - V REF )
V REF
R5 = R6 (4.08)
0.1 μ F
PGND
GND
ILIM
0.1 μ F
PGND
GND
ILIM
WHEN V REF = 1.28V
AND V IN = 6.5V
Figure 2a. High-Efficiency Operating Configuration for
V BATT < V OUT
8
Figure 2b. High-Efficiency Operating Configuration for
V BATT < 6.5V
Maxim Integrated
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX710ESE+ | 功能描述:直流/直流开关转换器 3.3/5V or Adjustable Step-Up 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 |
| MAX710ESE+ | 制造商:Maxim Integrated Products 功能描述:CONVERTOR DC/DC ((NW)) |
| MAX710ESE+T | 功能描述:直流/直流开关转换器 3.3/5V or Adjustable Step-Up 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 |
| MAX710ESE-T | 功能描述:直流/直流开关转换器 3.3/5V or Adjustable Step-Up 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 |
| MAX710EVKIT | 功能描述:直流/直流开关转换器 Evaluation Kit for the MAX710 MAX711 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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