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19-5570; Rev 1; 8/11
36V-Capable Overvoltage Protector with
Regulated Output Voltage
General Description
The MAX14562 protects valuable consumer circuits
against voltage faults of up to +36V. This robust protec-
tion is implemented in a three-step scheme for a superior
result. If the input is below the preset regulated output-
voltage (V PROV ) threshold, the output tracks the input
minus the voltage drop (R ON x I LOAD ) across the pass
FET. If the input exceeds V PROV , the output is regulated
to V PROV . If the input rises further and exceeds the over-
voltage lockout cutoff threshold (V OVLO ), the output is
disconnected from the input.
A low resistance 160m I (typ) FET is integrated in the
MAX14562, effectively reducing the component count
and application footprint. The MAX14562 also features
thermal shutdown protection against a short-circuit
Features
S Input Voltage Protection Up to +36V
S Preset Regulated Output Voltage (+5.15V typ)
S Integrated 160m I (typ) N-Channel MOSFET
Switch
S Soft-Start to Minimize In-Rush Current
S Overvoltage Cutoff Protection +8V (typ)
S Thermal Shutdown Protection
S -40 N C to +85 N C Operating Temperature Range
Ordering Information
event.
The MAX14562 is specified over the extended -40 N C to
+85 N C temperature range and is available in 8-pin TDFN
(2mm x 2mm) package.
PART
MAX14562ETA+T
TEMP
RANGE
-40 N C to
+85 N C
PIN-
PACKAGE
8 TDFN-EP*
TOP
MARK
ADI
Applications
+ Denotes a lead(Pb)-free/RoHS-compliant package.
T = Tape and reel.
Mobile Phones
Smartphones
Portable Media Player
PDAs
Digital Cameras
Bluetooth Headset
E-Book
Mobile Internet Device
* EP = Exposed pad.
Typical Operating Circuit
TRAVEL
ADAPTER
INPUT
V BUS
1 μ F
*
IN
IN
OUT
OUT
*
1 μ F
CHARGER CHARGER
INPUT OUTPUT
PMIC
SYSTEM LOAD
GND
MAX14562
V IO
10k ?
V BUS
APIC WITH
HS USB
ACOK
GND
EN
*ONLY TDFN.
_______________________________________________________________ Maxim Integrated Products 1
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.
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