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| 型号： | MAX8753ETI+T |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 2/20页 |
| 文件大小： | 0K |
| 描述： | IC DC-DC CONV TFT LCD 28TQFN |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 2,500 |
| 应用： | 转换器，TFT，LCD |
| 输入电压： | 2.6 V ~ 5.5 V |
| 输出数： | 4 |
| 输出电压： | 2.6 V ~ 13 V |
| 工作温度： | 0°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 28-WFQFN 裸露焊盘 |
| 供应商设备封装： | 28-TQFN-EP（5x5） |
| 包装： | 带卷 (TR) |
TFT LCD DC-DC Converter with
Integrated Charge Pumps
ABSOLUTE MAXIMUM RATINGS
IN, SHDN , LCDON to GND ......................................-0.3V to +6V
DLP, OUTL, FBL, FBP, FBN, INTG, FB,
REF to GND ............................................-0.3V to (V IN + 0.3V)
PGND to GND .......................................................-0.3V to +0.3V
LX to PGND ............................................................-0.3V to +14V
SUPP to PGND .......................................................-0.3V to +14V
C1N, C2N to PGND ................................-0.3V to (V SUPP + 0.3V)
OUTP to PGND ........................................(V SUPP - 0.3V) to +30V
C1P to C1N, C2P to C2N, OUTP to C2P ................-0.3V to +14V
SUPN to PGND.......................................................-0.3V to +30V
C3P to PGND.........................................-0.3V to (V SUPN + 0.3V)
Continuous Power Dissipation (T A = +70 ° C)
28-Pin 5mm x 5mm TQFN (derated 21.3mW/ ° C
above +70 ° C)............................................................1702mW
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
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, V IN = 3.0V, SHDN = LCDON = IN, V SUPP = V SUPN = 10V, PGND = GND, CREF = 0.22μF, C INTG = 470pF, T A =
0°C to +85°C . Typical values are at T A = +25 ° C, unless otherwise noted.)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
INPUT SUPPLIES
Input Supply Range
V IN
2.6
5.5
V
Input Undervoltage Threshold
IN Quiescent Supply Current
V UVLO
I IN
V IN rising, 100mV hysteresis (typ)
V FB = V FBP = 1.5V, V FBN = -0.2V
2.1
2.3
0.8
2.5
1.5
V
mA
IN Shutdown Current
SUPP Supply Range
V SUPP
V SHDN = 0, V IN = 5V
7
0.1
10
13
μA
V
SUPP Quiescent Current
I SUPP
V FBP = 1.5V
0.4
0.8
mA
SUPP Shutdown Current
SUPN Supply Range
V SUPN
V SHDN = 0, V SUPP = 14V, OUTP floating
7
0.1
10
24
μA
V
SUPN Quiescent Current
SUPN Shutdown Current
I SUPN
V FBN = -0.2V
V SHDN = 0, V SUPN = 24V
0.4
0.1
0.8
10
mA
μA
MAIN BOOST CONVERTER
Output Voltage Range
V MAIN
V IN
13
V
FB Regulation Voltage
FB Input Bias Current
V FB
I FB
V FB = 1.25V, INTG = GND
1.232
1.245
125
1.258
275
V
nA
FB Undervoltage Shutdown
Threshold
Operating Frequency
Oscillator Maximum Duty Cycle
Load Regulation
f OSC
FB falling
I MAIN = 0 to 100mA, V MAIN = 10V
75
0.85
78
125
1.00
85
0.2
200
1.15
90
mV
MHz
%
%
Line Regulation
INTG Transconductance
0.1
320
%/V
μS
LX Switch On-Resistance
LX Leakage Current
R LX(ON)
I LX
I LX = 100mA
V LX = 13V, V SHDN = 0
0.35
0.01
0.7
20
?
μA
2
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