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参数资料
| 型号： | MAX1510ETB |
| 厂商： | MAXIM INTEGRATED PRODUCTS INC |
| 元件分类： | 基准电压源/电流源 |
| 英文描述： | Low-Voltage DDR Linear Regulator |
| 中文描述： | 0.5 V-1.5 V ADJUSTABLE POSITIVE LDO REGULATOR, PDSO10 |
| 封装： | 3 X 3 MM, TDFN-10 |
| 文件页数： | 7/13页 |
| 文件大小： | 415K |
| 代理商： | MAX1510ETB |
M
Low-Voltage DDR Linear Regulator
_______________________________________________________________________________________
7
Detailed Description
The MAX1510 is a low-voltage, low-dropout DDR termi-
nation linear regulator with an external bias supply
input and a buffered reference output (see Figures 1
and 2). V
CC
is powered by a 2.7V to 3.6V supply that is
commonly available in laptop and desktop computers.
The 3.3V bias supply drives the gate of the internal
pass transistor, while a lower voltage input at the drain
of the transistor (IN) is regulated to provide V
OUT
. By
using separate bias and power inputs, the MAX1510
can drive an n-channel high-side MOSFET and use a
lower input voltage to provide better efficiency.
The MAX1510 regulates its output voltage to the volt-
age at REFIN. When used in DDR applications as a
termination supply, the MAX1510 delivers 1.25V or
0.9V at 3A peak (typ) from an input voltage of 1.1V to
3.6V. The MAX1510 sinks up to 3A peak (typ) as
required in a termination supply. The MAX1510 pro-
vides shoot-through protection, ensuring that the
source and sink MOSFETs do not conduct at the same
time, yet produces a fast source-to-sink load transient.
OUT
IN
AGND
PGND
V
OUT
= V
TT
= V
DDQ
/ 2
C
IN2
10
μ
F
C
OUT1
100
μ
F
C1
1.0
μ
F
R3
100k
OFF
V
DDQ
ON
R2
10k
3.3V BIAS
SUPPLY
V
IN
=
1.1V TO 3.6V
POWER-GOOD
R1
10k
V
REFOUT
= V
TTR
C
REFOUT
0.33
μ
F
REFOUT
MAX1510
V
CC
PGOOD
SHDN
REFIN
C
REFIN
1000pF
OUTS
Figure 1. Standard Application Circuit
PIN
NAME
FUNCTION
1
REFOUT
Buffered Reference Output. The output of the unity-gain reference input buffer sources and sinks over
5mA. Bypass REFOUT to AGND with a 0.33μF or greater ceramic capacitor.
2
V
CC
Analog Supply Input. Connect to the system supply voltage (+3.3V). Bypass V
CC
to AGND with a 1μF or
greater ceramic capacitor.
3
4
AGND
REFIN
Analog Ground. Connect the backside pad to AGND.
External Reference Input. REFIN sets the output regulation voltage (V
OUTS
= V
REFIN
).
5
PGOOD
Open-Drain Power-Good Output. PGOOD is low when the output voltage is more than 150mV (typ) above
or below the regulation point, during soft-start, and when shut down. 2ms after the output reaches the
regulation voltage during startup, PGOOD becomes high impedance.
6
OUTS
Output Sense Input. The OUTS regulation level is set by the voltage at REFIN. Connect OUTS to the
remote DDR termination bypass capacitors. OUTS is internally connected to OUT through a 12k
resistor.
7
SHDN
Shutdown Control Input. Connect to V
CC
for normal operation. Connect to analog ground to shut down the
linear regulator. The reference buffer remains active in shutdown.
8
9
10
PGND
OUT
IN
Power Ground. Internally connected to the output sink MOSFET.
Output of the Linear Regulator
Power Input. Internally connected to the output source MOSFET.
Pin Description
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX1510ETB/V+T | 功能描述:线性稳压器 - 标准 Low-Voltage DDR Linear Regulator RoHS:否 制造商:STMicroelectronics 输出类型: 极性: 输出电压:1.8 V 输出电流:150 mA 负载调节: 最大输入电压:5.5 V 线路调整率: 最大工作温度:+ 125 C 安装风格:SMD/SMT 封装 / 箱体:SOT-323-5L |
| MAX1510ETB+ | 制造商:Maxim Integrated Products 功能描述:REG LDO LIN ADJ POS 0.5V TO 1.5V 3A 10TDFN EP - Rail/Tube 制造商:Maxim Integrated Products 功能描述:LOW-VOLTAGE DDR LINEAR REGULATOR |
| MAX1510ETB+T | 功能描述:线性稳压器 - 标准 DDR Linear Regulator RoHS:否 制造商:STMicroelectronics 输出类型: 极性: 输出电压:1.8 V 输出电流:150 mA 负载调节: 最大输入电压:5.5 V 线路调整率: 最大工作温度:+ 125 C 安装风格:SMD/SMT 封装 / 箱体:SOT-323-5L |
| MAX1510ETB-T | 功能描述:线性稳压器 - 标准 RoHS:否 制造商:STMicroelectronics 输出类型: 极性: 输出电压:1.8 V 输出电流:150 mA 负载调节: 最大输入电压:5.5 V 线路调整率: 最大工作温度:+ 125 C 安装风格:SMD/SMT 封装 / 箱体:SOT-323-5L |
| MAX1510EVKIT | 功能描述:线性稳压器 - 标准 Evaluation Kit for the MAX1510 RoHS:否 制造商:STMicroelectronics 输出类型: 极性: 输出电压:1.8 V 输出电流:150 mA 负载调节: 最大输入电压:5.5 V 线路调整率: 最大工作温度:+ 125 C 安装风格:SMD/SMT 封装 / 箱体:SOT-323-5L |
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