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PDF G5131 Data sheet ( Hoja de datos )
| Número de pieza | G5131 | |
| Descripción | (G5130 / G5131) PSM Step-up DC/DC Converter | |
| Fabricantes | Global Mixed-mode Technology | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de G5131 (archivo pdf) en la parte inferior de esta página. Total 10 Páginas | ||
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Global Mixed-mode Technology Inc.
G5130/G5131
PSM Step-up DC/DC Converter
Features
1~4 Cell Alkaline Battery Operating Range
Output Voltage Range: 2.5V~5.0V in 0.1V In-
crements
Minimum External Component (L, D, C)
100KHz Max. Oscillation Frequency
75% Duty Ratio
Up to 80% Efficiency
±2% High Output Voltage Accuracy
< 100ppm/°C Temperature Coefficient
w w w . D a ta SSOhTe-8e9 ta4ndUS.OcTo-2m3-5 Small Packages
Applications
Power Source for Portable Equipments
Handheld Computers, Palmtops
Digital Still Cameras, Camcorders
Cellular Phones, Pagers
Portable Multimedia Players
General Description
The G5130/G5131 boost converter is designed for use
of main power source on portable equipments.
It consist of an oscillator, PSM control logic circuit, an
embedded power MOS (LX switch), accurate voltage
reference, error amplifier, feedback resistors, and LX
protection circuit.
Only 3 external components (includes 1 inductor, 1
diode and 1 capacitor) are needed to construct the
power application.
For larger output power application, G5131 can be
used to drive an external NPN device for more input
current.
Pin Configuration
Top View
12 3
SOT-89
54
12 3
SOT-23-5
Ver: 0.3 Preliminary
Jun 15, 2005
Typical Application Circuit
27µH~120µH
VIN
Battery
1N5819
G5130
LX VOUT
GND
VOUT 2.5V~5.0V
Step 0.1V
+
- 22µF~100µF
27µH~120µH
VIN
Battery
1N5819
G5131
EXT VOUT
GND
VOUT 2.5V~5.0V
Step 0.1V
+
- 22µF~100µF
TEL: 886-3-5788833
http://www.gmt.com.tw
1
1 page  
Global Mixed-mode Technology Inc.
G5130/G5131
Absolute Maximum Ratings
LX to GND…………….…..……………..…-0.3V to +7V
CE to GND….……………..………..……...-0.3V to +7V
VOUT to GND.…….…..................……….-0.3V to +7V
Operating Temperature Range (Note 1)..-40°C to +85°C
Junction Temperature ......…......…......……........+125°C
Storage Temperature…………........…..-65°C to +150°C
Reflow Temperature (soldering, 10 sec)…..…....+260°C
Stress beyond those listed under “Absolute Maximum Rating” may cause permanent damage to the device.
Electrical Characteristics
(VOUT = 3.3V, VIN = 1.8V, TA = 25°C)
PARAMETER
www.DataSheetO4Uut.pcoumt Voltage Accuracy
Input Voltage Range
Start-up Voltage
Hold-on Voltage
Input Current
LX Switch On Resistance
LX Leakage Current
Maximum Oscillation Frequency
Duty Cycle
VLX Voltage Limit
Efficiency
CONDITION
No Switching (IDD2)
Switching (IDD1)
No Load (IIN)
VLX = 0.4V
VLX = 6.0V
MIN
-2
---
---
---
---
---
---
---
---
70
65
---
---
TYP
---
---
0.9
0.5
10
20
30
2
---
100
75
1
80
MAX
+2
6.5
---
---
15
---
---
6
0.1
130
85
---
---
UNIT
%
V
V
V
µA
µA
µA
Ω
µA
KHz
%
V
%
Note 1: The G5130 are guaranteed to meet performance specifications from 0°C to 85°C. Specifications over the -40°C to 85°C
operating temperature range are assured by design, characterization and correlation with statistical process controls.
Block Diagram
LX
GND
VLX LIMITER
DRIVER
Vref
VDD
PSM CONTROL
OSC 100kHz
-
+
Error Amp.
VOUT
SDIO
CE
Ver: 0.3 Preliminary
Jun 15, 2005
TEL: 886-3-5788833
http://www.gmt.com.tw
5
5 Page | ||
| Páginas | Total 10 Páginas | |
| PDF Descargar | [ Datasheet G5131.PDF ] | |
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