MAX17083 Просмотр технического описания (PDF) - Maxim Integrated
Номер в каталоге
Компоненты Описание
производитель
MAX17083 Datasheet PDF : 15 Pages
| |||
Low-Voltage, Internal Switch,
Step-Down Regulator
ABSOLUTE MAXIMUM RATINGS
IN to PGND...............................................................-0.3V to +6V
VCC to GND ..............................................................-0.3V to +6V
EN to GND................................................................-0.3V to +6V
REF, FB, SET, FREQ, POK to GND ............-0.3V to (VCC + 0.3V)
LX to GND (Notes 1, 2) ................................-0.6V to (VIN + 0.3V)
BST to GND.........................................(VCC - 0.3V) to (VLX + 6V)
GND to PGND (Note 2) .........................................-0.3V to +0.3V
REF Short-Circuit Current......................................................1mA
Continuous Power Dissipation, Multilayer PCB (TA = +70°C)
24-Pin, 4mm x 4mm TQFN
(derate 27.8mW/°C above +70°C) ........................2222mW
Operating Temperature Range ...........................-40°C to +85°C
Junction Temperature ......................................................+150°C
Storage Temperature Range .............................-65°C to +150°C
Lead Temperature (soldering, 10s) .................................+300°C
Note 1: LX has clamp diodes to PGND and IN. If continuous current is applied through these diodes, thermal limits must be observed.
Note 2: Measurements valid using 20MHz bandwidth limit.
Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional
operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to
absolute maximum rating conditions for extended periods may affect device reliability.
ELECTRICAL CHARACTERISTICS
(Circuit of Figure 1, VIN = VFREQ = VCC = VEN = 5V, IREF = no load, TA = 0°C to +85°C, unless otherwise noted. Typical values are at
TA = +25°C.)
PARAMETER
SYMBOL
CONDITIONS
IN Input Voltage Range
VIN
VCC Input Voltage Range
VCC
IN Undervoltage Threshold
No hysteresis
Vcc Undervoltage Threshold
Rising edge, 160mV hysteresis
Shutdown Supply Current
EN = GND, measured at VCC, TA = +25°C
Supply Current
Regulator enabled
REFERENCE
Reference Output Voltage
Reference Load Regulation
VREF
No load
-1μA < IREF < +50μA
OSCILLATOR
Oscillator Frequency
fOSC FREQ = GND
FREQ = VCC
FREQ Settings
FREQ = open
FREQ = REF
FREQ = GND
INTERNAL 5A STEP-DOWN CONVERTER
SET = GND
FB Regulation Voltage
(No Load)
VFB No load
SET = REF
SET = open
SET = 5V
SET = GND
FB Regulation Voltage
(Full Load)
VFB IOUT = 4A
SET = REF
SET = open
SET = 5V
MIN TYP MAX UNITS
2.4
5.5
V
4.5
5.5
V
2.1
2.4
V
4.2
4.5
V
0.1
1.0
μA
65
95
μA
1.24 1.25 1.26
V
3
10
mV
0.45
0.50
1.50
1.00
0.75
0.50
0.55
MHz
MHz
0.754 0.765 0.774
1.107 1.122 1.136
V
1.51 1.53 1.55
1.812 1.836 1.86
0.72
0.774
1.07
1.45
1.136
V
1.55
1.76
1.86
2 _______________________________________________________________________________________
Share Link: 