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PDF MAX14562 Data sheet ( Hoja de datos )
| Número de pieza | MAX14562 | |
| Descripción | 36V-Capable Overvoltage Protector | |
| Fabricantes | Maxim Integrated Products | |
| Logotipo |  |
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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 (VPROV) threshold, the output tracks the input
minus the voltage drop (RON x ILOAD) across the pass
FET. If the input exceeds VPROV, the output is regulated
to VPROV. If the input rises further and exceeds the over-
voltage lockout cutoff threshold (VOVLO), the output is
disconnected from the input.
A low resistance 160mI (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
event.
The MAX14562 is specified over the extended -40NC to
+85NC temperature range and is available in 8-pin TDFN
(2mm x 2mm) package.
Mobile Phones
Smartphones
Portable Media Player
PDAs
Applications
Digital Cameras
Bluetooth Headset
E-Book
Mobile Internet Device
Features
S Input Voltage Protection Up to +36V
S Preset Regulated Output Voltage (+5.15V typ)
S Integrated 160mI (typ) N-Channel MOSFET
Switch
S Soft-Start to Minimize In-Rush Current
S Overvoltage Cutoff Protection +8V (typ)
S Thermal Shutdown Protection
S -40NC to +85NC Operating Temperature Range
Ordering Information
PART
TEMP
RANGE
PIN-
PACKAGE
MAX14562ETA+T
-40NC to
+85NC
8 TDFN-EP*
+Denotes a lead(Pb)-free/RoHS-compliant package.
T = Tape and reel.
*EP = Exposed pad.
TOP
MARK
ADI
Typical Operating Circuit
TRAVEL
ADAPTER
INPUT
VBUS
1µF
GND
*ONLY TDFN.
IN
* IN
OUT
OUT *
MAX14562
VIO
1µF
ACOK
GND EN
10kΩ
CHARGER CHARGER
INPUT
OUTPUT
PMIC
VBUS
APIC WITH
HS USB
SYSTEM LOAD
________________________________________________________________ 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.
Datasheet pdf - http://www.DataSheet4U.net/
1 page  
www.DataSheet.co.kr
36V-Capable Overvoltage Protector with
Regulated Output Voltage
Typical Operating Characteristics (continued)
(CIN = 1µF, COUT = 4.7µF, TA = +25°C, unless otherwise noted.)
IN RISE TRANSIENT RESPONSE
(IOUT = 10mA)
MAX14562 toc09
6V IN
4V 5V/div
VPROV
4V
0V
OUT
5V/div
EN
5V/div
0V
ACOK
5V/div
250µs/div
IN FALL TRANSIENT RESPONSE
(IOUT = 10mA)
MAX14562 toc10
6V IN
4V 5V/div
VPROV
4V
0V
OUT
5V/div
EN
5V/div
0V
ACOK
5V/div
250µs/div
5V
5V
0V
800mA
10mA
LOAD TRANSIENT
(VEN = 0V)
MAX14562 toc11
IN
5V/div
OUT
5V/div
ACOK
5V/div
IOUT
500mA/div
200ns/div
5V
5V
0V
800mA
10mA
LOAD TRANSIENT
(VEN = 0V)
MAX14562 toc12
IN
5V/div
OUT
5V/div
ACOK
5V/div
IOUT
500mA/div
200ns/div
SWITCH TURN-ON TIME RESPONSE
(RLOAD = 100Ω)
MAX14562 toc13
5V IN
0V 5V/div
5V OUT
0V 5V/div
SWITCH TURN-OFF TIME RESPONSE
(RLOAD = 100Ω)
MAX14562 toc14
5V IN
0V 5V/div
5V OUT
0V 5V/div
3.3V
ACOK
3.3V
0V
5V/div
0V
10ms/div
2ms/div
ACOK
5V/div
5
Datasheet pdf - http://www.DataSheet4U.net/
5 Page | ||
| Páginas | Total 10 Páginas | |
| PDF Descargar | [ Datasheet MAX14562.PDF ] | |
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