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PDF GS7137 Data sheet ( Hoja de datos )
| Número de pieza | GS7137 | |
| Descripción | Fast Transient Response CMOS LDO | |
| Fabricantes | GStek | |
| Logotipo |  |
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300mA,Fast Transient Response CMOS LDO
GS7137
Features
Optimized for fast transient response
Low Shutdown Current~0.2uA (Typ.)
Output Current~300mA
2.7~5.5V Operation
±1.5% Initial Voltage Accuracy
Short Circuit Current Fold-back
Programmable Soft-Start
Low Temperature Drift Coefficient ~50ppm
Line Regulation ~0.06%/V(Typ.)
Low ESR Capacitor ~2.2uF ceramic capacitor
TDFN6-2x2、SOT-23-5、SOT-353、
TQFN9-1.5x1.5 and package
Green Product (RoHS, Lead-Free,
Halogen-Free Compliant)
General Description
The GS7137 is a CMOS linear regulator
optimized for fast transient response. It
guarantees delivery of 300mA output current. The
device is available in fixed output voltage from
1.2V to 4.0V.
Based on its low quiescent current consumption
and its less than 1uA shutdown mode, the
GS7137 is ideal for battery- powered applications.
The line transient response and load transient
response of the GS7137 are excellent, thus the
device is suitable for the power supply for
handheld communication equipment. The
regulator is stable with small ceramic capacitive
loads (2.2µF typical).
Applications
Portable communication equipment
Notebook Computer
Battery Powered Systems
Typical Application
Figure 1 Typical Application of GS7137
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.:0.1 (Preliminary Specification)
1
Sep-11
1 page  
300mA,Fast Transient Response CMOS LDO
GS7137
Electrical Characteristics
(VDD = Max{(VOUT + 1)V, 2.7V}, TA =TJ=25°C, CVDD=1uF, CVOUT=2.2uF, IOUT=1mA, unless otherwise specified)
Parameter
Symbol
Conditions
Min Typ Max Units
Supply Voltage
Quiescent Current
Standby Current
EN Input Current
Output Current
Output Voltage
Dropout Voltage (Note 5)
Line Regulation
Load Regulation
Ripple Rejection Rate
VDD
IVDD
ISTBY
IEN
IOUT
VOUT
VDROP
△VLNR
△VLDR
PSRR
2.7
VDD=3.5V, VOUT =2.5V ,Unload
VEN=0
VEN= 5V
300
IOUT=1mA, VOUT =1.2V~ 4.0V
VOUT=3.0V
IOUT=300mA VOUT=3.1V
VOUT=3.2V
VDD= Max{(VOUT + 1)V, 2.7V} to
5.5V, IOUT=1mA
VDD= Max{(VOUT + 1)V, 2.7V},
IOUT=1mA to 300mA
VDD=MAX{(VOUT+1.0)V, 3V},
Ripple 0.2Vp-p, IOUT=1mA,
f=1KHz
-1.5
-0.25
-1
60
0.2
0.3
260
250
240
0.06
0.3
61
5.5
90
1.0
+1.5
360
360
360
0.25
1
V
uA
uA
uA
mA
%
mV
%/V
%
dB
Limit Current
Short Current
EN Input Voltage High
EN Input Voltage Low
CL Auto-Discharge
Resistance
Temperature Drift
Thermal Shutdown
temperature
Thermal Shutdown
Hysteresis
ILIM VDD=4.1V, VOUT =3.1V
ISHORT
VENH
VENL
VOUT=0V, VDD=4.1V
RDISCHG VDD=5.0V, VEN=0V
△VOUT /△TA
IOUT=1mA,
TA = -40°C to +85°C
TSHDN
△TSHDN
300 450 650 mA
85 150 mA
1.2 V
0.3 V
70 Ω
40 ppm/°C
160 °C
25 °C
Green Solution Technology Co.,LTD.
Rev.:0.1 (Preliminary Specification)
5
Sep-11
5 Page 
300mA,Fast Transient Response CMOS LDO
Package Dimensions, SOT-23-5
GS7137
Unit: mm
Symbol
A
A1
A2
b
c
D
E
E1
e
e1
L
θ
Dimensions in
Millimeters
Min. Max.
0.90 1.45
0.00 0.15
0.90 1.30
0.30 0.50
0.08 0.25
2.70 3.10
2.60 3.00
1.20 1.80
0.95 REF.
1.90 REF.
0.37 REF.
0o 10o
Note
1.Min.: Minimum dimension specified.
2.Max.: Maximum dimension specified.
3.REF.: Reference. Normal/Regular dimension specified for reference.
Green Solution Technology Co.,LTD.
Rev.:0.1 (Preliminary Specification)
11
Sep-11
11 Page | ||
| Páginas | Total 14 Páginas | |
| PDF Descargar | [ Datasheet GS7137.PDF ] | |
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