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RT9025-18GSP 其他数据使用手册 - Richtek（立锜）
制造商:
Richtek（立锜）
分类:
稳压芯片
封装:
SOIC-8
描述:
RT9025 系列 1.8 V 2 A 表面贴装 超低压差 LDO - SOP-8
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RT9025-18GSP数据手册
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RT9025
1
DS9025-05 March 2011 www.richtek.com
Ordering Information
Pin Configurations
(TOP VIEW)
SOP-8
2A, Ultra Low Dropout LDO
General Description
The RT9025 is a high performance positive voltage regulator
designed for use in applications requiring very low Input
voltage and extremely low dropout voltage at up to
2A(Peak). It operates with a VIN as low as 1V and VDD
voltage 3V with programmable output voltage as low as
0.8V. The RT9025 features ultra low dropout that is ideal
for applications where VOUT is very close to VIN.
Additionally, it has an enable pin to further reduce power
dissipation while shutdown and provides excellent
regulation over variations in line, load and temperature.
The RT9025 provides a power good signal to indicate if
the voltage level of Vo reaches 90% of its rating value.
The RT9025 is available in the SOP-8 and SOP-8 (Exposed
Pad) package with 1.05V, 1.2V, 1.5V, 1.8V and 2.5V
internally preset outputs that are also adjustable by using
external resistors.
GNDPGOOD
EN
VDD
VIN
NC
ADJ
VOUT
2
3
4
5
8
7
6
SOP-8 (Exposed Pad)
Features
l Ultra Low Dropout Voltage 230mV at 2A
l Output Current up to 2A
l High Accuracy Output Voltage 2%
l Power Good Output
l Output Voltage Pull Low Resistor when Disable
l Over Current Protection
l Thermal Shutdown Protection
l RoHS Compliant and 100% Lead (Pb)-Free
Applications
l Note Book PC Applications
l Motherboard Applications
Note :
Richtek products are :
} RoHS compliant and compatible with the current require-
ments of IPC/JEDEC J-STD-020.
} Suitable for use in SnPb or Pb-free soldering processes.
GND
PGOOD
EN
VDD
VIN
NC
ADJ
VOUT
2
3
4
5
8
7
6
GND
9
Package Type
S : SOP-8
SP : SOP-8 (Exposed Pad-Option 1)
RT9025-
Lead Plating System
P : Pb Free
G : Green (Halogen Free and Pb Free)
Z : ECO (Ecological Element with
Halogen Free and Pb free)
Output Voltage
1K : 1.05V/Adj
12 : 1.2V/Adj
15 : 1.5V/Adj
18 : 1.8V/Adj
25 : 2.5V/Adj
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