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PDF G547F Data sheet ( Hoja de datos )
| Número de pieza | G547F | |
| Descripción | Power Distribution Switch | |
| Fabricantes | Global Mixed-mode | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de G547F (archivo pdf) en la parte inferior de esta página. Total 15 Páginas | ||
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Global Mixed-mode Technology
G547E/F/G/H/M
Power Distribution Switch
Features
90mΩ High-Side MOSFET
(G547E,G547F,G547G,G547H, G547M)
Available with 5 Versions of Current Limits with
Foldback
Operating Range:2.7V to 5.5V
1mS Typical Rise Time
Fast Overcurrent Response -3µs (TYPICAL)
Under voltage Lockout
100µA Quiescent Supply Current
1µA Maximum Shutdown Supply Current
Logic Level Enable Pin, Available with
Active-High or Active-Low Version
No Reverse Current when Power Off
Deglitched Open-Drain Over-Current Flag
Output ( OC )
With Output Shutdown Pull-low Resister
SOT-23-6, SOP-8, MSOP-8 and TDFN3X3-8 Pack-
ages
UL Approved_#E232223
Nemko IEC 60950-1 CB/CCA_scheme Certifica-
tion Report #67291
General Description
The G547 is an integrated power switch for
self-powered and bus-powered Universal Serial Bus
(USB) applications. G547E, G547F, G547G,G547H
and G547M are 90mΩ RDS(ON).
Several Protection features include current limiting with
foldback, and thermal shutdown to prevent catastrophic
switch failure caused by increasing power dissipation
when continuous heavy loads or short circuit occurs. A
built-in charge pump is used to drive the N-channel
MOSFET that is free of parasitic body diode to elimi-
nate any reversed current flow across the switch when
it is powered off.
OC is open-drain output report over-current or
over-temperature event and has typical 9ms deglitch
timeout period.
Applications
High-Side Power Protection Switch
USB Power Management
USB Host and Self-Powered Bubs
USB Bus-Powered Hubs
Hot Plug-In Power Supplies
Battery-Charger Circuits
Pin Configuration
Typical Application Circuit
GND 1
IN 2
IN 3
EN (EN) 4
G547
8
OUT
EN (EN) 1
7 OUT
GND 2
6 OUT*
5 OC
IN 3
SOP-8/MSOP-8
G547
G547
6 OC
5 OUT
4 OUT
SOT-23-6
Power Supply
2.7V to 5.5V
G547
IN
1µF*
OC
OUT
0.1µF
Load
22µF
GND 1
IN 2
IN 3
EN (EN) 4
Thermal
Pad
8 OUT
7 OUT
6 OUT*
5 OC
TDFN3X3-8
Note: Recommend connecting the Thermal Pad
to the GND for excellent power dissipation.
*Pin#6 should be considered as OUT when circuit design and PCB layout, but it is NC pin actually.
ON
OFF
EN(EN)
*: 1µF of input capacitor is enough in most application cases.
If the PCB trace of power rail to IN is long, larger input capacitor is necessary.
R
UL Recognized Component
Ver:1.5
Sep 08, 2011
1
http://www.Datasheet4U.com
1 page  
Global Mixed-mode Technology
Typical Performance Characteristics (continued)
G547E/F/G/H/M
ON-Resistance vs. Input Voltage
200
180 IOUT=1A
160
140
TA=25°C
TA=85°C
120
100
80
60
40 TA=-45°C
20
0
3. 0
3.5 4.0 4.5 5.0
Input Voltage VIN (V)
5. 5
ON-Resistance vs. Temperature
140
IOUT=1A
120
100
VIN=3V
80
60
VIN=3.5V
VIN=5V
40
20
0
-45 -35 -25 -15 -5 5 15 25 35 45 55 65 75 85
Temperature (°C)
Current Limit Threshold vs. Input Voltage
2.7
TA=-45°C
2.4
2.1
TA=25°C
TA=85°C
1.8
1.5
VOUT=VIN - 1
1.2
2.5 3.0 3.5 4.0 4.5 5.0 5.5
Input Voltage VIN (V)
Overcurrent Protection Characteristics
5.1
4.8
4.5
4.2 TA=85°C
3.9
3.6 TA=25°C
3.3
3.0
2.7 TA=-45°C
2.4
2.1
1.8
1.5
1.2
0.9
0.6 VIN=5V
0.3
0.0
0 0.2 0.4 0.6 0.8 1 1.2 1.4 1.6 1.8 2 2.2 2.4 2.6
Output Current (A)
Short Circuit Current vs. Input Voltage
2.1
1.8
TA=-45°C
1.5
1.2
0.9 TA=25°C
0.6
TA=85°C
0.3
VOUT=0V
0
2.5 3.0 3.5 4.0 4.5
Input Voltage VIN (V)
5.0
5.5
Overcurrent Protection Characteristics
2.7
2.4
2.1 TA=85°C
1.8 TA=25°C
1.5 TA=-45°C
1.2
0.9
0.6
0.3 VIN=2.7V
0.0
0 0.2 0.4 0.6 0.8 1 1.2 1.4 1.6 1.8 2 2.2 2.4
Output Current (A)
Ver:1.5
Sep 08, 2011
5
5 Page 
Global Mixed-mode Technology
Test Circuit
G547E/F/G/H/M
Device
Under
Test
IOUT
OUT
VOUT
COUT RL CL
IL
Current Probe
Timing Diagrams
tR tF
90%
90%
VOUT
10%
10%
Output Rise and Fall Times
VEN
VOUT
50%
tON
tOFF
90%
10%
Switch Delay Times
Ver:1.5
Sep 08, 2011
11
11 Page | ||
| Páginas | Total 15 Páginas | |
| PDF Descargar | [ Datasheet G547F.PDF ] | |
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