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GS7168 PDF даташит

Спецификация GS7168 изготовлена ​​​​«GStek» и имеет функцию, называемую «0.8A Ultra Low Dropout Linear Regulator».

Детали детали

Номер произв GS7168
Описание 0.8A Ultra Low Dropout Linear Regulator
Производители GStek
логотип GStek логотип 

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GS7168 Даташит, Описание, Даташиты
0.8A Ultra Low Dropout Linear Regulator
GS7168
Features
0.8A Low-Dropout Voltage Regulator
Ultra Low Dropout Voltage
Typically 100mV at 0.8A Output Current
High Output Accuracy over Line, Load and
Temperature
Build-In Soft-Start
Excellent startup under load from 0 to 0.8A
Power-On-Reset Monitoring on Both VDD and
VIN Pins
Power-OK Output function
Foldback over Current Protection and
Thermal shutdown
0.1μA (typ) Shutdown Supply Current
Low ESR Output Capacitor(Multi-layer Chip
Capacitors (MLCC)) Applicable
Vout Pull Low Resistance when Disable
TDFN8-2x2
Green Product (RoHS, Lead-Free,
Halogen-Free Compliant)
Applications
Notebook PC Applications
Motherboard Applications
Low Voltage Logic Supplies
Microprocessor and Chipset Supplies
Graphic Cards
Cordless phones
General Description
The GS7168 can deliver up to 0.8A of output
current with a typical dropout voltage of only
100mV using internal n-channel MOSFETs. The
linear regulator uses a separate VDD supply to
power the control circuitry and drive the Internal
n-channel MOSFETs. The output voltage is
adjustable from 0.8V to the voltage that is very
close to VIN.
The GS7168 allows the use of low-ESR ceramic
capacitor as low as 10uF. Moreover the IC
provides good performance on both line transient
response and load transient response.
The GS7168 provides foldback over current limit
and thermal shutdown to prevent the linear
regulator from damage. Built-in soft-start
minimizes stress on the input power source by
reducing capacitive inrush current on start-up.
During start-up, POK remain low until the output
reaches 92% of its rating value.
The GS7168 is available in TDFN8-2X2 package.
This document is GStek's confidential information. Anyone having confidential obligation to GStek shall keep this document confidential. Any unauthorized
disclosure or use beyond authorized purpose will be considered as violation of confidentiality and criminal and civil liability will be asserted.
Green Solution Technology Co.,LTD.
Rev.:1.32
1
May-15









No Preview Available !

GS7168 Даташит, Описание, Даташиты
0.8A Ultra Low Dropout Linear Regulator
Typical Application
GS7168
VDD
10Ω
1uF
VIN
10uF
EN
ON
GS7168
4 VDD
POK 1
3 VIN
2 EN
9 VOUT 6
GND
NC 5
8 GND
FB 7
C
(Option)
100K
R1
VOUT
10uF
R2
Figure1 Typical Application of GS7168
Function Block Diagram
VIN 3
VDD 4
POR
OTP
EN 2
Bandgap
400K
OCP
EN
Soft Start
EErrrroorr VDD
AAmMplPifier
VREF=0.8V
92%*VREF
Delay
Figure 2 Function Block Diagram
6 VOUT
7 FB
1 POK
8 GND
Green Solution Technology Co.,LTD.
Rev.:1.32
2
May-15









No Preview Available !

GS7168 Даташит, Описание, Даташиты
0.8A Ultra Low Dropout Linear Regulator
Pin Configuration
GND FB VOUT NC
8765
GS7168
9.GND
1234
POK EN VIN VDD
Figure 3 TDFN8-2x2 package
Pin Descriptions
Pin No.
TDFN8-2x2
Name
1 POK
2 EN
3 VIN
4 VDD
5 NC
6 VOUT
7 FB
89
GND
I/O type
Pin Function
O
Open drain output. Setting high impedance once VOUT reaches 92%
of its rating voltage
I
Chip Enable (active high). The device will be shutdown if this pin is
pull low.
I
Input Voltage. Large bulk capacitance should be placed closely to
this pin. A 10μF ceramic capacitor is recommended at this pin.
I
Supply voltage for control circuit. VDD is recommend from 3V to 5V
and should be 1.5V higher than the output voltage
O Output Voltage. The power output of the device.
Feedback Voltage. This pin is connected to the center tap of an
I external resistor divider network to set the output voltage as VOUT =
0.8*(R1+R2)/R2.
I/O Ground
Ordering Information
GS7168TD- R
1. Package
2. Shipping
No Item
Contents
1 Package TD: TDFN8-2x2
2 Shipping R: Tape & Reel
Example: GS7168 TDFN8-2x2 Tape & Reel ordering information is GS7168TD-R
Green Solution Technology Co.,LTD.
Rev.:1.32
3
May-15










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