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参数资料
| 型号： | MAX1748EUE+T |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 4/16页 |
| 文件大小： | 0K |
| 描述： | IC DC-DC CONV TRPL LCD 16-TSSOP |
| 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： | 2.7 V ~ 5.5 V |
| 输出数： | 3 |
| 输出电压： | 2.7 V ~ 13 V |
| 工作温度： | 0°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 16-TSSOP（0.173"，4.40mm 宽） |
| 供应商设备封装： | 16-TSSOP |
| 包装： | 带卷 (TR) |
Triple-Output TFT-LCD
DC-DC Converters
ELECTRICAL CHARACTERISTICS (continued)
(V IN = +3.0V, SHDN = IN, V SUPP = V SUPN = 10V, TGND = PGND = GND, C REF = 0.22μF, C INTG = 470pF, T A = -40°C to +85°C ,
unless otherwise noted.) (Note 1)
PARAMETER
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
SYMBOL
V IN
V UVLO
I IN
I SUPP
I SUPN
CONDITIONS
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
MIN
2.7
2.2
MAX
5.5
2.6
1
0.8
0.8
10
10
10
UNITS
V
V
mA
mA
mA
μA
μA
μA
MAIN BOOST CONVERTER
Output Voltage Range
FB Regulation Voltage
V MAIN
V FB
V IN
1.222
13.0
1.271
V
V
FB Input Bias Current
Operating Frequency
Oscillator Maximum Duty Cycle
LX Switch On-Resistance
LX Leakage Current
LX Current Limit
FB Fault Trip Level
I FB
F OSC
R LX(ON)
I LX
I LX(MAX)
V FB = 1.25V, INTG = GND
I LX = 100mA
V LX = 13V
Phase I = soft-start (1.0ms)
Phase IV = fully on (after 3.0ms)
-50
0.75
78
0.275
1.1
1.07
+50
1.25
90
0.7
20
0.500
2.0
1.14
nA
MHz
%
Ω
μA
A
V
POSITIVE CHARGE PUMP
SUPP Input Supply Range
FBP Regulation Voltage
V SUPP
V FBP
2.7
1.20
13.0
1.30
V
V
FBP Input Bias Current
I FBP
V FBP = 1.5V
-50
+50
nA
DRVP PCH On-Resistance
10
Ω
DRVP NCH On-Resistance
FBP Power-Ready Trip Level
V FBP = 1.213V
V FBP = 1.275V
Rising edge
20
1.091
4
1.159
Ω
k Ω
V
NEGATIVE CHARGE PUMP
SUPN Input Supply Range
FBN Regulation Voltage
V SUPN
V FBN
2.7
-50
13.0
+50
V
mV
FBN Input Bias Current
I FBN
V FBN = -0.05V
-50
+50
nA
DRVN PCH On-Resistance
10
Ω
DRVN NCH On-Resistance
FBN Power-Ready Trip Level
V FBN = 0.035V
V FBN = -0.025V
Rising edge
20
80
4
165
Ω
k Ω
mV
REFERENCE
Reference Voltage
Reference Undervoltage
V REF
-2μA < I REF < +50μA
V REF rising
1.223
0.9
1.269
1.2
V
V
4
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