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参数资料
| 型号： | MAX1747EUP+ |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 2/13页 |
| 文件大小： | 0K |
| 描述： | IC CHRG-PUMP TRPL TFTLCD 20TSSOP |
| 标准包装： | 74 |
| 应用： | 转换器，TFT，LCD |
| 输入电压： | 2.7 V ~ 4.5 V |
| 输出数： | 3 |
| 输出电压： | 可调 |
| 工作温度： | 0°C ~ 85°C |
| 安装类型： | * |
| 封装/外壳： | * |
| 供应商设备封装： | * |
| 包装： | * |
Triple Charge-Pump TFT LCD
DC-DC Converter
ABSOLUTE MAXIMUM RATINGS
IN, SUPM, OUT, TGND to GND................................-0.3V to +6V
SHDN ........................................................................-0.3V to +1V
PGND to GND.....................................................................±0.3V
SUPM to IN .........................................................................±0.3V
CXN to PGND.........................................-0.3V to (V SUPM + 0.3V)
CXP to PGND ............................(V SUPM - 0.3V) to (V OUT + 0.3V)
DRVN to GND .........................................-0.3V to (V SUPN + 0.3V)
DRVP to GND..........................................-0.3V to (V SUPP + 0.3V)
RDY to GND ...........................................................-0.3V to +14V
SUPP, SUPN to GND..............................................-0.3V to +14V
INTG, REF, FB, FBN, FBP to GND ...............-0.3V to (V IN + 0.3V)
Continuous Current into:
SUPM, CXN, CXP, OUT ..............................................±800mA
SUPP, SUPN, DRVN, DRVP........................................±200mA
SHDN ...........................................................................+100μA
All Other Pins ....................................................................±10mA
Continuous Power Dissipation (T A = +70°C)
20-Pin TSSOP (derate 10.9mW/°C above +70°C) .......879mW
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
(V IN = V SUPM = +3.0V, V SUPP = V SUPN = +5V, TGND = PGND = GND, I SHDN = 22μA, C OUT = 2 ? 4.7μF, C REF = 0.22μF, C INTG =
1500pF, V OUT = +5V, T A = 0°C to +85°C , unless otherwise noted. Typical values are at T A = +25°C.)
PARAMETER
Input Supply Range
Input Undervoltage Threshold
Input Quiescent Supply
Current
Output Quiescent Supply
Current
Shutdown Supply Current
Operating Frequency
SYMBOL
V IN
V UVLO
I IN +
I SUPM
I Q(OUT)
f OSC
CONDITIONS
V IN falling, 40mV hysteresis (typ)
V FB = V FBP = 1.5V, V FBN = -0.2V, V OUT = 5V,
no load on DRVN and DRVP; CXN
and CXP open
V FB = V FBP = 1.5V, V FBN = -0.2V, V OUT = 5V,
no load on DRVN and DRVP; CXN and
CXP open
V SHDN = 0, V SUPM = 5V
I SHDN = 22 μ A
MIN
2.7
2.2
0.65
TYP
2.4
0.9
2.5
0.1
1
MAX
4.5
2.6
1.0
4.0
20
1.2
UNITS
V
V
mA
mA
μ A
MHz
MAIN CHARGE PUMP
Output Voltage Range
V OUT
4.5
5.5
V
Maximum Output Current
I OUT(MAX)
C X = 0.47 μ F
200
mA
FB Regulation Voltage
V FB
1.237
1.248
1.263
V
FB Input Bias Current
I FB
V FB = 1.25V
-50
+50
nA
Integrator Transconductance
530
μ S
FB Power-Ready Trip Level
FB Fault Trip Level
Rising edge
Falling edge
1.09
1.125
1.100
1.16
V
V
Main Soft-Start Period
NEGATIVE LOW-POWER CHARGE PUMP
4.096
/ F OSC
s
SUPN Input Supply Range
V SUPN
2.7
13
V
SUPN Quiescent Current
SUPN Shutdown Current
FBN Regulation Voltage
I SUPN
V FBN
V FBN = -0.2V, no load on DRVN
V SHDN = 0, V SUPN = 13V
-50
0.6
0.1
0
0.8
10
+50
mA
μ A
mV
2
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