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參數(shù)資料
| 型號： | MAX15011 |
| 廠商： | Maxim Integrated Products, Inc. |
| 英文描述： | Automotive 300mA LDO Regulators with Switched Output and Overvoltage Protector |
| 中文描述： | 用于汽車電子的300mA LDO穩(wěn)壓器，提供可切換輸出和過壓保護 |
| 文件頁數(shù)： | 1/23頁 |
| 文件大?。?/td> | 479K |
| 代理商： | MAX15011 |
General Description
The MAX15009 includes a 300mA LDO regulator, a
switched output, and an overvoltage protection (OVP)
controller to protect downstream circuits from high-volt-
age load dump. The MAX15011 includes only the 300mA
LDO regulator and switched output. Both devices operate
over a wide supply voltage range from 5V to 40V and are
able to withstand load-dump transients up to 45V. The
MAX15009/MAX15011 feature short-circuit and thermal-
shutdown protection. These devices offer highly integrat-
ed power management solutions for automotive
applications such as instrument clusters, climate control,
and a variety of automotive power-supply circuits.
The 300mA LDO regulator consumes 70μA quiescent
current at light loads and is well suited to power always-
on circuits during “key off” conditions. The LDO features
independent enable and hold inputs, as well as a micro-
processor (μP) reset output with adjustable reset timeout
period.
The switched output of the MAX15009/MAX15011
incorporates a low R
DS(ON)
(0.28
Ω
, typ) pass transistor
switch internally connected to the output of the LDO
regulator. This switch features accurate current-limit
sensing circuitry and is capable of controlling remote
loads. The MAX15009/MAX15011 feature an adjustable
current limit and a programmable delay timer to set the
overcurrent detection blanking time of the switch and
autoretry timeout.
The MAX15009 OVP controller operates with an external
enhancement mode n-channel MOSFET. While the moni-
tored voltage remains below the adjustable threshold, the
MOSFET stays on. When the monitored voltage exceeds
the OVP threshold, the OVP controller quickly turns off the
external MOSFET. The OVP controller is configurable as a
load-disconnect switch or a voltage limiter.
The MAX15009/MAX15011 are available in a thermally
enhanced, 32-pin (5mm x 5mm), TQFN package and are
fully specified over the -40°C to +125°C automotive oper-
ating temperature range.
Applications
Instrument Clusters
Climate Control
AM/FM Radio Power Supply
Multimedia Power Supply
Telematics Power Supply
Features
300mA LDO Regulator, Switched Output, and OVP
Controller (MAX15009)
300mA LDO Regulator and Switched Output
(MAX15011)
5V to 40V Wide Operating Supply Voltage Range
45V Load Dump Protection
70μA Quiescent Current LDO Regulator
OVP Controller Disconnects or Limits Output
Voltage During Battery Overvoltage Conditions
LDO Regulator with Enable, Hold, and Reset
Features
Internal 0.28
Ω
(typ) n-Channel Switch for
Switched Output
100mA Switched Output with Adjustable Current-
Limit Blanking/Autoretry Delay
M
Automotive 300mA LDO Regulators with
Switched Output and Overvoltage Protector
________________________________________________________________ Maxim Integrated Products
For pricing, delivery, and ordering information, please contact Maxim Direct at 1-888-629-4642,
or visit Maxim’s website at www.maxim-ic.com.
1
MAX15009
TQFN
(5mm x 5mm)
+
TOP VIEW
29
30
28
27
12
11
13
N
N
S
P
R
14
N
O
O
I
I
I
E
1
2
OUT_SW
4
5
6
7
23
24
22
20
19
18
N.C.
N.C.
N.C.
SOURCE
GATE
N.C.
N
O
3
21
31
10
N.C.
FB_PROT
32
9
N.C.
CT
OUT_SW
26
15
FB_LDO
*EP
*EP = EXPOSED PAD
N.C.
25
16
EN_LDO
N
E
8
17
HOLD
Pin Configurations
19-0923; Rev 0; 8/07
Typical Operating Circuits and Selector Guide appear at end
of data sheet.
Pin Configurations continued at end of data sheet.
Ordering Information
+Denotes a lead-free package.
For tape and reel, add a T after “+.”
*Future product—contact factory for availability.
**EP = Exposed pad.
PART
TEMP RANGE
PIN-
PACKAGE
PKG
CODE
MAX15009
ATJ+
MAX15011
ATJ+
*
-40°C to +125°C
-40°C to +125°C
32 TQFN-EP** T3255-4
32 TQFN-EP** T3255-4
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MAX15011ATJ+ | 功能描述:低壓差穩(wěn)壓器 - LDO Automotive 300mA w/Switched Output RoHS:否 制造商:Texas Instruments 最大輸入電壓:36 V 輸出電壓:1.4 V to 20.5 V 回動電壓（最大值）:307 mV 輸出電流:1 A 負載調(diào)節(jié):0.3 % 輸出端數(shù)量: 輸出類型:Fixed 最大工作溫度:+ 125 C 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-20 |
| MAX15011ATJ+T | 功能描述:低壓差穩(wěn)壓器 - LDO Automotive 300mA w/Switched Output RoHS:否 制造商:Texas Instruments 最大輸入電壓:36 V 輸出電壓:1.4 V to 20.5 V 回動電壓（最大值）:307 mV 輸出電流:1 A 負載調(diào)節(jié):0.3 % 輸出端數(shù)量: 輸出類型:Fixed 最大工作溫度:+ 125 C 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-20 |
| MAX15012AASA+ | 功能描述:功率驅(qū)動器IC 175V/2A High-Speed Half-B MOSFET Drvr RoHS:否 制造商:Micrel 產(chǎn)品:MOSFET Gate Drivers 類型:Low Cost High or Low Side MOSFET Driver 上升時間: 下降時間: 電源電壓-最大:30 V 電源電壓-最小:2.75 V 電源電流: 最大功率耗散: 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:SOIC-8 封裝:Tube |
| MAX15012AASA+T | 功能描述:功率驅(qū)動器IC 175V/2A High-Speed Half-B MOSFET Drvr RoHS:否 制造商:Micrel 產(chǎn)品:MOSFET Gate Drivers 類型:Low Cost High or Low Side MOSFET Driver 上升時間: 下降時間: 電源電壓-最大:30 V 電源電壓-最小:2.75 V 電源電流: 最大功率耗散: 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:SOIC-8 封裝:Tube |
| MAX15012BASA+ | 功能描述:功率驅(qū)動器IC 175V/2A High-Speed Half-B MOSFET Drvr RoHS:否 制造商:Micrel 產(chǎn)品:MOSFET Gate Drivers 類型:Low Cost High or Low Side MOSFET Driver 上升時間: 下降時間: 電源電壓-最大:30 V 電源電壓-最小:2.75 V 電源電流: 最大功率耗散: 最大工作溫度:+ 85 C 安裝風格:SMD/SMT 封裝 / 箱體:SOIC-8 封裝:Tube |
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