参数资料
型号: MAX8753ETI+
厂商: Maxim Integrated Products
文件页数: 5/20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: 60
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: 管件
TFT LCD DC-DC Converter with
Integrated Charge Pumps
ELECTRICAL CHARACTERISTICS
(Circuit of Figure 1, V IN = 3.0V, SHDN = LCDON = IN, V SUPP = V SUPN = 10V, PGND = GND, C REF = 0.22μF, C INTG = 470pF, T A =
-40 ° C to +85 ° C . Typical values are at T A = +25 ° C, unless otherwise noted.) (Note 1)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
INPUT SUPPLIES
Input Supply Range
V IN
2.6
5.5
V
Input Undervoltage Threshold
V UVLO
V IN rising, 100mV hysteresis (typ)
2.1
2.5
V
IN Quiescent Supply Current
SUPP Supply Range
SUPP Quiescent Current
SUPN Supply Range
SUPN Quiescent Current
I IN
V SUPP
I SUPP
V SUPN
I SUPN
V FB = V FBP = 1.5V, V FBN = -0.2V
V FBP = 1.5V
V FBN = -0.2V
7
7
1.5
13
0.8
24
0.8
mA
V
mA
V
mA
MAIN BOOST CONVERTER
Output Voltage Range
FB Regulation Voltage
FB Undervoltage Shutdown
Threshold
Operating Frequency
V MAIN
V FB
f OSC
FB falling
V IN
1.225
75
0.75
13
1.258
200
1.25
V
V
mV
MHz
LX Switch On-Resistance
R LX(ON)
I LX = 100mA
0.7
?
LX Current Limit
I LX(MAX)
Phase IV = fully on (> 3.0ms)
1.08
1.8
A
POSITIVE CHARGE PUMP
V SUPP Input Supply Range
V SUPP Overvoltage Threshold
FBP Regulation Voltage
V SUPP
V FBP
V SUPP = rising, hysteresis (typ) = 200mV
7
13.2
1.213
13
14.0
1.287
V
V
V
NEGATIVE CHARGE PUMP
V SUPN Input Supply Range
FBN Regulation Voltage
V SUPN
V FBN
7
213
24
287
V
mV
V LOGIC REGULATOR
FBL Regulation Voltage
OUTL On-Resistance
V FBL
I OUTL = 0 to 300mA
V IN = 3.3V, I OUTL = 100mA
1.220
1.275
1.5
V
?
REFERENCE
Reference Voltage
Reference Undervoltage
Threshold
V REF
-2μA < I REF < +50μA
V REF rising
1.225
0.9
1.269
1.2
V
V
LOGIC SIGNALS
LCDON, SHDN Input Low
Voltage
LCDON, SHDN Input High
Voltage
Hysteresis = 0.15 x V IN (typ)
2.1
0.9
V
V
_______________________________________________________________________________________
5
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