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參數(shù)資料
| 型號(hào)： | G525A1 |
| 廠商： | Global Mixed-mode Technology Inc. |
| 英文描述： | USB High-Side Power Switch Advance Information |
| 中文描述： | 的USB高側(cè)電源開關(guān)進(jìn)展信息 |
| 文件頁(yè)數(shù)： | 1/8頁(yè) |
| 文件大?。?/td> | 243K |
| 代理商： | G525A1 |
Ver: 1.2
Nov 11, 2002
TEL: 886-3-5788833
http://www.gmt.com.tw
1
G525A
Global Mixed-mode Technology Inc.
USB High-Side Power Switch Advance Information
Features
Typical 110m
, Low MOSFET on resistance, at
5.0V
1A minimum continuous load current
3.0V to 5.5V operating range
100 A typical on-state supply current
1 A 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-
high or active-low version
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 G525A is an integrated high-side power switch
optimized for self-powered and bus-powered Universal
Serial Bus (USB) applications.
The G525A satisfies the USB standards. The switch's
low on-resistance meets USB voltage drop require-
ments. When the output load exceeds current-limit
threshold, G525A switches into constant mode and
limit the output current to a safe level, which is typically
1.4A, well below the UL 25VA safety requirements. An
open-drain flag output is also available to indicate fault
conditions to the local USB controller. Soft start elimi-
nates the momentary 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 pre-
vent catastrophic switch failure caused by increasing
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.
The G525A is a UL recognized component and is
available in active-high and active-low versions in 8-pin
SOP packages.
Ordering Information
PART
ENABLE
TEMP. RANGE
PACKAGE
G525A1
Active High
-40°C to ＋85°C
8-Pin SOP
G525A2
Active Low
-40°C to ＋85°C
8-Pin SOP
Pin Configuration
G525A
Gate
Control
(EN)1
(FLG)2
6,8 (OUT)
7 (IN)
3 (GND)
8 Pin Function Block
1
2
3
4
8
7
6
5
G525A
EN
FLG
GND
NC
OUT
IN
OUT
NC
8 Pin SOP
G525A
Gate
Control
(EN)1
(FLG)2
6,8 (OUT)
7 (IN)
3 (GND)
8 Pin Function Block
1
2
3
4
8
7
6
5
G525A
EN
FLG
GND
NC
OUT
IN
OUT
NC
8 Pin SOP
R
UL Recognized Component
R
UL Recognized Component
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| G525A2 | USB High-Side Power Switch Advance Information |
| G528A | USB High-Side Power Switch Advance Information |
| G528AP1U | USB High-Side Power Switch Advance Information |
| G528AP1UF | USB High-Side Power Switch Advance Information |
| G528P1U | USB High-Side Power Switch Advance Information |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| G525A2 | 制造商:GMT 制造商全稱:Global Mixed-mode Technology Inc 功能描述:USB High-Side Power Switch Advance Information |
| G526 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Dual USB High-Side Power Switch |
| G526-1 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Dual USB High-Side Power Switch |
| G526-2 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Dual USB High-Side Power Switch |
| G528 | 制造商:GMT 制造商全稱:Global Mixed-mode Technology Inc 功能描述:USB High-Side Power Switch Advance Information |
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