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PDF GS7128 Data sheet ( Hoja de datos )
| Número de pieza | GS7128 | |
| Descripción | 2-Circuit Low Noise 150mA LDO Regulator | |
| Fabricantes | GStek | |
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2-Circuit Low Noise 150mA LDO Regulator
GS7128
Features
Low Supply Current ~ 45uA (per circuit)
Low Shutdown Current ~0.1uA (Typ.)
Output Current ~150mA
High Power Supply Rejection Ratio
~75db@1KHz
2~5.5V Operation
±1.0% Initial Voltage Accuracy
Low Temperature Drift Coefficient ~50ppm/°C
Line Regulation ~0.02%/V(Typ.)
Low ESR Capacitor ~1uF ceramic capacitor
WDFN6-1.6x1.6、TDFN6-1.8x2 and SOT-23-6
package
Green Product (RoHS, Lead-Free,
Halogen-Free Compliant)
Applications
Portable communication equipment
Notebook Computer
Battery Powered Systems
General Description
The GS7128 is a CMOS linear regulator. It is
featuring ultra-high power supply rejection ratio,
low output voltage noise, low dropout voltage, low
quiescent current and fast transient response. It
guarantees delivery of 150mA output current, and
supports preset 1.2V, 1.3V, 1.5V, 1.8V, 2.5V,
2.8V, 3.0V, 3.3V output voltage versions.
Based on its low quiescent current consumption
and its less than 1uA shutdown mode, the
GS7128 is ideal for battery- powered applications.
The high power supply rejection ratio of the
GS7128 holds well for low input voltages typically
encountered in battery- operated systems. The
regulator is stable with small ceramic capacitive
loads (1µF typical).
Typical Application
Figure 1 Typical Application of GS7128
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.
1
Green Solution Technology Co.,LTD.
Rev.:1.3
1
Jan-13
1 page  
2-Circuit Low Noise 150mA LDO Regulator
GS7128
Thermal Information (Note 3)
Parameter
Thermal Resistance Junction to Ambient
Thermal Resistance Junction to Ambient
Thermal Resistance Junction to Ambient
Symbol
θJA_WDFN6-1.6x1.6
θJA_SOT-23-6
θJA_TDFN6-1.8x2
Limits
179
238
114
Units
°C/W
°C/W
°C/W
Recommend Operating Condition (Note 4)
Parameter
Symbol
VIN to GND
Junction Temperature
Ambient Temperature
VIN
TJ
TA
Limits
2.0 to 5.5
-40 ~ 125
-40 ~ 85
Units
V
°C
°C
Electrical Characteristics
(VIN = VOUT + 1V, TA =TJ=25°C, CIN=CL=1uF, IOUT=1mA, unless otherwise specified)
Parameter
Symbol
Conditions
Min Typ
Max Units
Supply Voltage Section
Supply Voltage
Supply Current (per circuit)
Standby Current
EN Input Current
Output Current
Output Section
Output Voltage
Dropout Voltage (Note 5)
Line Regulation
VIN
IVIN
ISTBY
IEN
IOUT
Unload
VEN=0 or VEN= VIN
VEN= 5.5V
VDD≥VOUT+1V
2.0 5.5 V
45 60 uA
0.1 1 uA
0.3 uA
150 mA
VOUT
VDROP
△VLNR
TA = 25°C
VOUT>2.0V x0.99
VOUT≤2.0V -20
TA = -40°C to +85°C
VOUT>2.0V
VOUT≤2.0V
x0.985
-30
VOUT=1.2V
VOUT=1.5V
IOUT=100mA VOUT=2.5V
VOUT=2.8V
VOUT=3.3V
VIN = VOUT +0.5V to 5.5V,
IOUT=1mA
0.44
0.31
0.17
0.15
0.13
0.05
x1.01
20
x1.015
30
0.20
V
mV
V
mV
V
%/V
1
Green Solution Technology Co.,LTD.
Rev.:1.3
5
Jan-13
5 Page 
2-Circuit Low Noise 150mA LDO Regulator
GS7128
Transient Response Characteristics of load (C1=1.0uF, C2=1.0uF, Temp=25℃, tr=tf=5.0us)
VOUT =1.8V, VDD =2.8V
VOUT =1.8V, VDD =2.8V
VOUT =2.8V, VDD =3.8V
VOUT =2.8V, VDD =3.8V
1
Green Solution Technology Co.,LTD.
Rev.:1.3
11
Jan-13
11 Page | ||
| Páginas | Total 18 Páginas | |
| PDF Descargar | [ Datasheet GS7128.PDF ] | |
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