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零件编号 | G528 | ||
描述 | USB High-Side Power Switch Advance Information | ||
制造商 | Global Mixed-mode Technology | ||
LOGO | |||
1 Page
Global Mixed-mode Technology Inc.
G528/G528A
USB High-Side Power Switch Advance Information
Features
Typical 110mΩ, Low MOSFET on resistance, at
5.0V
3.0V to 5.5V operating range
100 µA typical on-state supply current
1µA typical standby supply current
Output can be forced higher than input when
operating in off state.
1.4A Typical current limit
Thermal shutdown protection
2.4V typical under-voltage lockout (UVLO)
Open-drain fault flag pin
Slow turn-on (soft-start) and fast turnoff
Logic level enable pin, available with active-low
version (G528), or available with active-high
version (G528A)
UL Approved_#E232223
Applications
High-side power protection switch
USB power management
USB host and self-powered hubs
USB Bus-powered hubs
Hot plug-in power supplies
Battery-charger circuits
General Description
The G528/G528A is an integrated high-side power
switch optimized for self-powered and bus-powered
Universal Serial Bus (USB) applications.
The G528/G528A satisfies the USB standards. The
switch's low on-resistance meets USB voltage drop
requirements. When the output load exceeds cur-
rent-limit threshold, G528/G528A switches into con-
stant-current mode and limit the output current to a
safe level, which is typically 1.4A. An open-drain flag
output is also available to indicate fault conditions to
the local USB controller. Soft start eliminates the mo-
mentary voltage drop on the upstream port that may
occur when the switch is enabled in bus-powered
applications.
Besides, a thermal shutdown circuit is included to
prevent catastrophic switch failure caused by increas-
ing power dissipation when continuous heavy loads or
short circuit occurs. A under-voltage lockout (UVLO)
circuit ensures that the device remains off unless there
is a valid input voltage present, and an enable input
that is compatible with both 3.3V and 5V logic.
Ordering Information
ORDER
NUMBER
G528P1U
G528AP1U
Note: P1: SOP-8L
U: Tape & Reel
ORDER NUMBER
(Pb free)
G528P1Uf
G528AP1Uf
Pin Configuration
ENABLE
Active Low
Active High
TEMP.
RANGE
-40°C to +85°C
-40°C to +85°C
PACKAGE
SOP-8
SOP-8
Ver: 1.2
May 17, 2005
G528/G528A
GND 1
8 OUT
IN 2
7 OUT
IN 3
6 OUT
EN 4
(EN)
SOP-8
5 FLG
1
TEL: 886-3-5788833
http://www.gmt.com.tw
Global Mixed-mode Technology Inc.
Package Information
G528/G528A
C
EH
D
7 ° (4X)
L
θ
A2 A
y
A1
e
B
Note:
1. Package body sizes exclude mold flash and gate burrs
2. Dimension L is measured in gage plane
3. Tolerance 0.10mm unless otherwise specified
4. Controlling dimension is millimeter converted inch dimensions are not necessarily exact.
SYMBOL
A
A1
A2
B
C
D
E
e
H
L
y
θ
MIN.
1.35
0.10
----
0.33
0.19
4.80
3.80
-----
5.80
0.40
-----
0º
DIMENSION IN MM
NOM.
1.60
---
1.45
---
---
---
---
1.27
---
----
----
----
MAX.
1.75
0.25
---
0.51
0.25
5.00
4.00
----
6.20
1.27
0.10
8º
MIN.
0.053
0.004
---
0.013
0.007
0.189
0.150
---
0.228
0.016
---
0º
DIMENSION IN INCH
NOM.
0.063
---
0.057
---
---
---
---
0.050
---
---
---
---
MAX.
0.069
0.010
---
0.020
0.010
0.197
0.157
---
0.244
0.050
0.004
8º
Taping Specification
PACKAGE
SOP-8
Q’TY/REEL
2,500 ea
Feed Direction
Typical SOP Package Orientation
GMT Inc. does not assume any responsibility for use of any circuitry described, no circuit patent licenses are implied and GMT Inc. reserves the right at any time without notice to change said circuitry and specifications.
Ver: 1.2
May 17, 2005
TEL: 886-3-5788833
http://www.gmt.com.tw
8
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页数 | 8 页 | ||
下载 | [ G528.PDF 数据手册 ] |
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