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参数资料
| 型号： | G528 |
| 厂商： | Global Mixed-mode Technology Inc. |
| 英文描述： | USB High-Side Power Switch Advance Information |
| 中文描述： | 的USB高侧电源开关进展信息 |
| 文件页数： | 1/8页 |
| 文件大小： | 194K |
| 代理商： | G528 |
Ver: 1.2
May 17, 2005
TEL: 886-3-5788833
http://www.gmt.com.tw
1
G528/G528A
Global Mixed-mode Technology Inc.
USB High-Side Power Switch Advance Information
Features
Typical 110m
Ω, Low MOSFET on resistance, at
5.0V
3.0V to 5.5V operating range
100 A typical on-state supply current
1A 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
ORDER NUMBER
(Pb free)
ENABLE
TEMP.
RANGE
PACKAGE
G528P1U
G528P1Uf
Active Low
-40°C to +85°C
SOP-8
G528AP1U
G528AP1Uf
Active High
-40°C to +85°C
SOP-8
Note: P1: SOP-8L
U: Tape & Reel
Pin Configuration
1
2
3
4
8
7
6
5
G528/G528A
EN
(EN)
GND
OUT
SOP-8
OUT
FLG
IN
1
2
3
4
8
7
6
5
G528/G528A
EN
(EN)
GND
OUT
SOP-8
OUT
FLG
IN
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相关代理商/技术参数 |
参数描述 |
|---|---|
| G52803014AEU | 制造商:Amphenol Corporation 功能描述: |
| G5281 | 制造商:GMT 制造商全称:Global Mixed-mode Technology Inc 功能描述:Slew Rate Controlled Load Switch |
| G528A | 制造商:GMT 制造商全称:Global Mixed-mode Technology Inc 功能描述:USB High-Side Power Switch Advance Information |
| G528AP1U | 制造商:GMT 制造商全称:Global Mixed-mode Technology Inc 功能描述:USB High-Side Power Switch Advance Information |
| G528AP1UF | 制造商:GMT 制造商全称:Global Mixed-mode Technology Inc 功能描述:USB High-Side Power Switch Advance Information |
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