參數(shù)資料
型號： MAX8726EUE
廠商： MAXIM INTEGRATED PRODUCTS INC
元件分類： 穩(wěn)壓器
英文描述： Triple-Output TFT-LCD DC-DC Converters
中文描述： 2 A SWITCHING REGULATOR, 1250 kHz SWITCHING FREQ-MAX, PDSO16
封裝： 4.40 MM, 1.10 MM HEIGHT, 0.65 MM PITCH, MO-153-AB, TSSOP-16
文件頁數(shù)： 2/16頁
文件大?。?/td> 640K
代理商： MAX8726EUE
M
Triple-Output TFT-LCD
DC-DC Converters
2
_______________________________________________________________________________________
ABSOLUTE MAXIMUM RATINGS
IN,
SHDN
, TGND to GND.........................................-0.3V to +6V
DRVN to GND.........................................-0.3V to (V
SUPN
+ 0.3V)
DRVP to GND..........................................-0.3V to (V
SUPP
+ 0.3V)
PGND to GND.....................................................................±0.3V
RDY
to GND ...........................................................-0.3V to +14V
LX, SUPP, SUPN to PGND .....................................-0.3V to +14V
INTG, REF, FB, FBN, FBP to GND...............-0.3V to (V
IN
+ 0.3V)
ELECTRICAL CHARACTERISTICS
(V
IN
= +3.0V,
SHDN
= IN, V
SUPP
= V
SUPN
= 10V, TGND = PGND = GND, C
REF
= 0.22μF, C
INTG
= 470pF,
T
A
= 0°C to +85°C
, unless
otherwise noted. Typical values are at T
A
= +25°C.)
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.
Continuous Power Dissipation (T
A
= +70°C)
16-Pin TSSOP (derate 9.4mW/°C above +70°C) ..........755mW
Operating Temperature Range
MAX1748EUE/MAX8726EUE..........................-40°C to +85°C
Junction Temperature......................................................+150°C
Storage Temperature Range.............................-65°C to +150°C
Lead Temperature (soldering, 10s).................................+300°C
PARAMETER
SYMBOL
V
IN
V
UVLO
I
IN
I
SUPP
I
SUPN
CONDITIONS
MIN
2.7
2.2
TYP
MAX
5.5
2.6
1
0.8
0.8
10
10
10
UNITS
V
V
mA
mA
mA
μA
μA
μA
Input Supply Range
Input Undervoltage Threshold
IN Quiescent Supply Current
SUPP Quiescent Current
SUPN Quiescent Current
IN Shutdown Current
SUPP Shutdown Current
SUPN Shutdown Current
MAIN BOOST CONVERTER
Output Voltage Range
FB Regulation Voltage
FB Input Bias Current
Operating Frequency
Oscillator Maximum Duty Cycle
Load Regulation
Line Regulation
Integrator Gm
LX Switch On-Resistance
LX Leakage Current
V
IN
rising, 40mV hysteresis (typ)
V
FB
= V
FBP
= 1.5V, V
FBN
= -0.2V
V
FBP
= 1.5V
V
FBN
= -0.1V
V
SHDN
= 0, V
IN
= 5V
V
SHDN
= 0, V
SUPP
= 13V
V
SHDN
= 0, V
SUPN
= 13V
2.4
0.6
0.4
0.4
0.1
0.1
0.1
V
MAIN
V
FB
I
FB
f
OSC
V
IN
1.235
-50
0.85
78
13
V
V
T
A
= 0
°
C to +85
°
C
V
FB
= 1.25V, INTG = GND
1.248
1.261
+50
1.15
90
nA
MHz
%
%
% / V
μmho
μA
1
85
0.2
0.1
320
0.35
0.01
0.380
0.75
1.12
1.5
1
I
MAIN
= 0 to 200mA, V
MAIN
= 10V
R
LX(ON)
I
LX
I
LX
= 100mA
V
LX
= 13V
Phase I = soft-start (1.0ms)
Phase II = soft-start (1.0ms)
Phase III = soft-start (1.0ms)
Phase IV = fully on (after 3.0ms)
0.7
20
0.500
0.275
LX Current Limit
I
LX(MAX)
1.1
2.0
A
Maximum RMS LX Current
A
Soft-Start Period
t
SS
Power-up to the end of phase III
3072 /
f
OSC
1.1
s
FB Fault Trip Level
POSITIVE CHARGE PUMP
V
SUPP
Input Supply Range
1.07
1.14
V
V
SUPP
2.7
13.0
V
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