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MAX15009, MAX15011
Automotive 300mA LDO Regulators with Switched Output and Overvoltage Protector
Automotive Regulators with Switched Output and OVP Offer Two Regulated Output and Load-Dump Protection
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Status
Active: In Production.
Description
The MAX15009 includes a 300mA LDO regulator, a switched output, and an overvoltage protection (OVP) controller to protect downstream circuits from high-voltage 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 thermalshutdown protection. These devices offer highly integrated 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 67µA 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 microprocessor (µP) reset output with adjustable reset timeout period.
The switched output of the MAX15009/MAX15011 incorporates a low RDS(ON) (0.28Ω, 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 monitored 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 operating temperature range.
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Data Sheet
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Key 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
- 67µA Quiescent Current LDO Regulator
- OVP Controller Disconnects or Limits Output Voltage During Battery Overvoltage Conditions
- LDO Regulator with Enable, Hold, and Reset Features
- Internal 0.28Ω (typ) n-Channel Switch for Switched Output
- 100mA Switched Output with Adjustable Current-Limit Blanking/Autoretry Delay
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Applications/Uses
- AM/FM Radio Power Supply
- Climate Control
- Instrument Clusters
- Multimedia Power Supply
- Telematics Power Supply
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Key Specifications:
| Linear Regulators |
| Part Number |
Regulators |
VIN
(V) |
VIN
(V) |
Preset VOUT
(V) |
Adj. VOUT
(V) |
Adj. VOUT
(V) |
VDROPOUT @Rated ILOAD
(V) |
Rated ILOAD
(mA) |
ICC
(µA) |
Low Batt./ Pwr. Fail Out |
POK/Reset Thresh.
(V) |
Watchdog |
Reverse Batt. Protect. |
Oper. Temp.
(°C) |
Package/Pins |
Smallest Available Pckg.
(mm2) |
Budgetary Price |
| min |
max |
min |
max |
typ |
max |
nom |
max w/pins |
See Notes |
| MAX15009 |
1 |
5 |
40 |
5 |
1.8 |
11 |
0.8 |
300 |
92 |
No |
Vout-10% |
No |
No |
-40 to +125 |
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26 |
- |
| MAX15011 |
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- |
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See All Linear Regulators (146)
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Pricing Notes:
This pricing is BUDGETARY, for comparing similar parts. Prices are in U.S. dollars and subject to change. Quantity pricing may vary substantially and international prices may differ due to local duties, taxes, fees, and exchange rates. For volume-specific prices and delivery, please see the price and availability page or contact an authorized distributor.
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Diagram
Typical Operating Circuits
Product Guides
Reliability Reports
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Software/Models
Ordering Information
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Part Number
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Free
Sample |
Buy |
Status
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Package:
TYPE PINS FOOTPRINT
DRAWING CODE/VAR *
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Temp |
RoHS/Lead-Free?
Materials Analysis
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| MAX15009ATJ+
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Active |
TQFN;32 pin;26 mm²
Outline Drawing:21-0140 (PDF)
Land Pattern: 90-0012 (PDF)
Use pkgcode/variation: T3255+4*
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-40°C to +125°C
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RoHS/Lead-Free: Lead Free
Materials Analysis |
| MAX15009ATJ+T
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Active |
TQFN;32 pin;26 mm²
Outline Drawing:21-0140 (PDF)
Land Pattern: 90-0012 (PDF)
Use pkgcode/variation: T3255+4*
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-40°C to +125°C
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RoHS/Lead-Free: Lead Free
Materials Analysis |
| MAX15009ATN+
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Active |
TQFN;56 pin;65.6 mm²
Outline Drawing:21-0135 (PDF)
Land Pattern: 90-0047 (PDF)
Use pkgcode/variation: T5688+3*
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-40°C to +125°C
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RoHS/Lead-Free: Lead Free
Materials Analysis |
| MAX15009ATN+T
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Active |
QFN;
Land Pattern: Not Available
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-40°C to +125°C
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See data sheet
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| MAX15011ATJ+
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Active |
TQFN;32 pin;26 mm²
Outline Drawing:21-0140 (PDF)
Land Pattern: 90-0012 (PDF)
Use pkgcode/variation: T3255+4*
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-40°C to +125°C
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RoHS/Lead-Free: Lead Free
Materials Analysis |
| MAX15011ATJ+T
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Active |
QFN;
Land Pattern: Not Available
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-40°C to +125°C
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See data sheet
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Notes:
- Other options and links for purchasing parts are listed at: http://www.maxim-ic.com/sales.
- Didn't Find What You Need? Ask our applications engineers. Expert assistance in finding parts, usually within one business day.
- Part number suffixes: T or T&R = tape and reel; + = RoHS/lead-free; # = RoHS/lead-exempt; -D = drypack; -U/+U on DS parts = cut tape. More: See Full Data Sheet or Maxim Product Naming Conventions.
- * Some packages have variations, listed on the drawing. "PkgCode/Variation" tells which variation the product uses. Note that "+", "#", "-" in the part number suffix describes RoHS status. Package drawings may show a different suffix character.
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Information Index
Document Ref.: 19-0923
Rev 1;
2008-02-05
This page last modified: 2009-09-01
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