參數(shù)資料
型號(hào)： MAX1542ETP
廠商： MAXIM INTEGRATED PRODUCTS INC
元件分類： 穩(wěn)壓器
英文描述： TFT LCD DC-to-DC Converter with Operational Amplifiers
中文描述： 1.8 A SWITCHING REGULATOR, 1400 kHz SWITCHING FREQ-MAX, PQCC20
封裝： 5 X 5 MM, 0.8 MM HEIGHT, EXPOSED PAD, TQFN-20
文件頁(yè)數(shù)： 2/20頁(yè)
文件大?。?/td> 506K
代理商： MAX1542ETP
M
TFT LCD DC-to-DC Converter with
Operational Amplifiers
2
_______________________________________________________________________________________
ABSOLUTE MAXIMUM RATINGS
IN, CTL, COMP, FB, DEL, FREQ (MAX1543)
to AGND...............................................................-0.3V to +6V
COMP, FB, DEL to AGND .............................-0.3V to (IN + 0.3V)
PGND to AGND ..................................................................±0.3V
LX to PGND............................................................-0.3V to +14V
SUP, POS1, NEG1, OUT1, POS2,
NEG2, OUT2 to AGND.......................................-0.3V to +14V
POS1, NEG1, OUT1, POS2, NEG2,
OUT2 to AGND ......................................-0.3V to (SUP + 0.3V)
SRC, COM to AGND...............................................-0.3V to +30V
SRC to COM...........................................................-0.3V to +30V
SRC to DRN (MAX1543).........................................-0.3V to +30V
COM to AGND...........................................-0.3V to (SRC + 0.3V)
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.
DRN (MAX1543) to AGND.........................-0.3V to (SRC + 0.3V)
DRN (MAX1543) to COM.........................................-30V to +30V
MAX1542 COM RMS Output Current...............................+75mA
MAX1543 COM RMS Output Current...............................±50mA
OUT1, OUT2 Continuous Output Current.........................±75mA
Continuous Power Dissipation (T
A
= +70
°
C)
20-Pin Thin QFN 5mm x 5mm
(derate 20.8mW/
°
C above +70
°
C).............................1667mW
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
ELECTRICAL CHARACTERISTICS
(V
IN
= 3V, V
SUP
= 8V, V
SRC
= 28V, FREQ = IN (MAX1543), PGND = AGND = 0,
T
A
= 0°C to +85°C
, typical values at T
A
= +25
°
C,
unless otherwise noted.)
PARAMETER
SYMBOL
V
IN
CONDITIONS
MIN
2.6
2.3
2.2
TYP
MAX
5.5
2.7
2.5
0.65
6.5
UNITS
V
IN Supply Range
V
IN
rising
V
IN
falling
V
FB
= 1.3V, LX not switching
V
FB
= 1.1V, LX switching
MAX1542
2.5
2.35
0.45
3.6
55
51
55
160
15
IN Undervoltage Lockout
Threshold
V
UVLO
V
IN Quiescent Current
I
IN
mA
FREQ = AGND
FREQ = IN
Duration to Trigger Fault
Condition
MAX1543
ms
Rising edge
Hysteresis
Thermal Shutdown
°
C
MAIN STEP-UP REGULATOR
Output Voltage Range
V
MAIN
V
IN
1020
512
1020
82
13
1380
768
1380
92
V
MAX1542
MAX1543
1200
600
1200
87
FREQ = AGND
FREQ = IN
Operating Frequency
f
OSC
kHz
Oscillator Maximum Duty Cycle
FREQ Input Low Voltage
%
V
MAX1543, V
IN
= 2.6V to 5.5V
0.3 x V
IN
FREQ Input High Voltage
MAX1543, V
IN
= 2.6V to 5.5V
0.7 x
V
IN
3.5
1.224
1.222
0.96
V
FREQ Pulldown Current
MAX1543, V
FREQ
= 1.0V
5
6.5
1.256
1.258
1.04
μA
T
A
= +85
°
C
T
A
= 0
°
C to +85
°
C
1.240
1.240
1
-1
-0.08
FB Regulation Voltage
V
FB
No load
V
FB Fault Trip Level
FB Load Regulation
FB Line Regulation
V
FB
falling
0
≤
I
MAIN
≤
full load
V
IN
= 2.6V to 5.5V
V
%
%/V
±0.15
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MAX1542ETP+ 功能描述:LCD 驅(qū)動(dòng)器 TFT LCD DC/DC Conv w/Op Amps RoHS:否 制造商:Maxim Integrated 數(shù)位數(shù)量:4.5 片段數(shù)量:30 最大時(shí)鐘頻率:19 KHz 工作電源電壓:3 V to 3.6 V 最大工作溫度:+ 85 C 最小工作溫度:- 20 C 封裝 / 箱體:PDIP-40 封裝:Tube
MAX1542ETP+T 功能描述:LCD 驅(qū)動(dòng)器 TFT LCD DC/DC Conv w/Op Amps RoHS:否 制造商:Maxim Integrated 數(shù)位數(shù)量:4.5 片段數(shù)量:30 最大時(shí)鐘頻率:19 KHz 工作電源電壓:3 V to 3.6 V 最大工作溫度:+ 85 C 最小工作溫度:- 20 C 封裝 / 箱體:PDIP-40 封裝:Tube
MAX1542ETP-T 功能描述:LCD 驅(qū)動(dòng)器 RoHS:否 制造商:Maxim Integrated 數(shù)位數(shù)量:4.5 片段數(shù)量:30 最大時(shí)鐘頻率:19 KHz 工作電源電壓:3 V to 3.6 V 最大工作溫度:+ 85 C 最小工作溫度:- 20 C 封裝 / 箱體:PDIP-40 封裝:Tube
MAX1543ETP 功能描述:LCD 驅(qū)動(dòng)器 RoHS:否 制造商:Maxim Integrated 數(shù)位數(shù)量:4.5 片段數(shù)量:30 最大時(shí)鐘頻率:19 KHz 工作電源電壓:3 V to 3.6 V 最大工作溫度:+ 85 C 最小工作溫度:- 20 C 封裝 / 箱體:PDIP-40 封裝:Tube
MAX1543ETP+ 功能描述:LCD 驅(qū)動(dòng)器 TFT LCD DC/DC Conv w/Op Amps RoHS:否 制造商:Maxim Integrated 數(shù)位數(shù)量:4.5 片段數(shù)量:30 最大時(shí)鐘頻率:19 KHz 工作電源電壓:3 V to 3.6 V 最大工作溫度:+ 85 C 最小工作溫度:- 20 C 封裝 / 箱體:PDIP-40 封裝:Tube
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