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GS7135 PDF даташит

Спецификация GS7135 изготовлена ​​​​«GStek» и имеет функцию, называемую «1A Ultra Low Dropout Linear Regulator».

Детали детали

Номер произв GS7135
Описание 1A Ultra Low Dropout Linear Regulator
Производители GStek
логотип GStek логотип 

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GS7135 Даташит, Описание, Даташиты
1A Ultra Low Dropout Linear Regulator
GS7135
Features
Maximum 1A Low-Dropout Voltage Regulator
Ultra Low Dropout Voltage
Typically 100mV at 1A Output Current
High Output Accuracy over Line, Load and
Temperature
Build-In Soft-Start
Excellent startup under load from 0 to 1A
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
SOT-23-6,PSOP-8,TQFN9-1.5x1.5 and
TDFN6-2x1.8 package.
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 GS7135 can deliver up to 1A of continuous
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 Inter-
nal n-channel MOSFETs. The output voltage is
adjustable from 0.8V to the voltage that is very
close to VIN.
The GS7135 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 GS7135 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 GS7135 is available in SOT-23-6,PSOP-8,
TQFN9-1.5x1.5 and TDFN6-2x1.8 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.:1.0
1
Apr-14









No Preview Available !

GS7135 Даташит, Описание, Даташиты
1A Ultra Low Dropout Linear Regulator
Typical Application
VDD
VIN
10 ohm
1uF
10uF
EN
ON
GS7135
4 VDD
POK 1
3 VIN
2 EN
VOUT 6
FB 7
C
(Option)
5 NC
GND 8
GS7135
100K
VOUT
R1 10uF
5K
R2
10K
Figure1, Typical Application of GS7135 (PSOP-8 Package)
Function Block Diagram
VIN 3
6 VOUT
VDD 4
EN 2
POR
OTP
OCP
Soft
Start
EErrrroorr
AAmMplPifier
400K
92%*VREF
Delay
7 FB
1 POK
8 GND
Figure 2 Function Block Diagram (PSOP-8 Package)
Green Solution Technology Co.,LTD.
Rev.:1.0
2
Apr-14









No Preview Available !

GS7135 Даташит, Описание, Даташиты
1A Ultra Low Dropout Linear Regulator
Pin Configuration
EN VIN VDD
65
4
VIN VOUT FB
65
4
GS7135
123
FB GND VOUT
Figure 3a,SOT-23-6(ST) package
123
VDD GND EN
Figure 3b,SOT-23-6(S6) package
GND FB VOUT NC
9.GND
POK EN VIN VDD
Figure 3c,PSOP-8 package
VDD VIN EN
65
4
7.GND
12
VOUT POK
3
FB
Figure 3d,TDFN6-1.8x2 package
NC
VOUT
POK
FB
76
89
12
GND
(Pin2,9)
VDD
5
VIN
4
EN
3
Figure 3e,TQFN9-1.5x1.5 package
Pin Descriptions
PSOP-8
2
3
4
6
7
8,9
1
5
SOT-23-6
63
56
41
35
14
22
Pin No.
TQFN9-1.5x1.5
3
4
5
7
1
2,9
8
6
Name
TDFN6-2x1.8
4 EN
5 VIN
6 VDD
1 VOUT
3 FB
7 GND
2 POK
NC
I/O
type
I
I
I
O
I
I
O
Pin Function
Chip Enable (active high). The device
will be shutdown if this pin is left open.
Input Voltage. Large bulk capacitance
should be placed closely to this pin. A
10μF ceramic capacitor is
recommended at this pin.
Supply voltage for control circuit. VDD
is recommend from 3V to 5V and
should be 1.5V higher than the output
voltage.
Output Voltage. The power output of
the device.
Feedback Voltage. This pin is
connected to the center tap of an
external resistor divider network to set
the output voltage as VOUT =
0.8(R1+R2)/R2.
Ground.
Open drain output. Setting high
impedance once VOUT reaches 92% of
its rating voltage
Green Solution Technology Co.,LTD.
Rev.:1.0
3
Apr-14










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