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参数资料
| 型号： | MAX8952EWE+T |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 11/31页 |
| 文件大小： | 0K |
| 描述： | IC REG BUCK SYNC ADJ 2.5A 16WLP |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 2,500 |
| 类型： | 降压（降压） |
| 输出类型： | 可调式 |
| 输出数： | 1 |
| 输出电压： | 0.77 V ~ 1.4 V |
| 输入电压： | 2.5 V ~ 5.5 V |
| 频率 - 开关： | 3.25MHz |
| 电流 - 输出： | 2.5A |
| 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： | 16-UFBGA，WLCSP |
| 包装： | 带卷 (TR) |
| 供应商设备封装： | 16-WLP（2x2） |
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MAX8952
2.5A Step-Down Regulator
with Remote Sense in 2mm x 2mm WLP
SYNC
V DD
OSC
CLOCK GEN
IN2
SCL
SDA
IN1
I 2 C INTERFACE
PWM LOGIC
LX
PGND
EN
VID0
VID1
VOLTAGE
CONTROL, V REF ,
BIAS, ETC.
V DAC
IN1
SNS+
AGND
Figure 1. Block Diagram
Detailed Description
The MAX8952 high-efficiency, 3.25MHz step-down
switching regulator delivers up to 2.5A of output cur-
rent. The device operates from a 2.5V to 5.5V input
voltage range, and the output voltage is I 2 C program-
mable from 0.77V to 1.40V in 10mV increments.
Remote sense ensures precise DC regulation at the
load. Total output error is less than ±1.5% over load,
line, and temperature.
Dynamic Voltage Scaling
The output voltage is dynamically adjusted by use of
the VID0 and VID1 logic inputs, allowing selection
between four predefined operation modes/voltage
configurations.
Table 1. VID0 and VID1 Configuration
SNS-
For each of the different output modes, the following
parameters are programmable:
? Output voltage from 0.77V to 1.40V in 10mV steps
? Mode of operation: Forced PWM or power save
? Enable/disable of synchronization of switching
frequency to external clock source
The relation between the VID0/VID1 and operation
mode is given by Table 1.
The VID_ inputs have internal pulldown resistors. These
pulldown resistors can be disabled through the CON-
TROL register after the IC is enabled, achieving lowest
possible quiescent current. When EN is low, the CON-
TROL register is reset to default, enabling the pulldown
resistors.
VID1
0
0
1
1
VID0
0
1
0
1
MODE
MODE0
MODE1
MODE2
MODE3
I 2 C REGISTER
Table 3
Table 4
Table 5
Table 6
DEFAULT
SWITCHING
MODE
POWER SAVE
POWER SAVE
POWER SAVE
POWER SAVE
DEFAULT
SYNCHRONIZATION
OFF
OFF
OFF
OFF
DEFAULT
OUTPUT
VOLTAGE (V)
1.40
1.00
1.40
1.10
Maxim Integrated
11
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