参数资料
型号: MAX8795AGCJ+T
厂商: Maxim Integrated Products
文件页数: 9/31页
文件大小: 0K
描述: IC CONV DC-DC TFT-LCD 32LQFP
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 2,000
应用: 转换器,TFT,LCD
输入电压: 2.5 V ~ 6 V
输出数: 8
输出电压: 2.5 V ~ 18 V
工作温度: -40°C ~ 105°C
安装类型: 表面贴装
封装/外壳: 32-LQFP
供应商设备封装: 32-LQFP(7x7)
包装: 带卷 (TR)
TFT-LCD DC-DC Converter with
Operational Amplifiers
ELECTRICAL CHARACTERISTICS
(V IN = 3V, V MAIN = V SUP = 14V, V PGND = V AGND = V BGND = 0V, I REF = 25μA, T A = -40°C to +105°C , unless otherwise noted.) (Note3)
PARAMETER
IN Supply Range
IN Undervoltage-Lockout
Threshold
SYMBOL
V IN
V UVLO
CONDITIONS
(Note 2)
V IN rising, typical hysteresis = 150mV
MIN
2.5
2.05
MAX
6.0
2.45
UNITS
V
V
V FB = V FBP = 1.3V, V FBN = 0V,
LX not switching
1.0
IN Quiescent Current
I IN
V FB = 1.2V, V FBP = 1.4V, V FBN = 0V,
LX switching
3
mA
REF Output Voltage
REF Undervoltage-Lockout
Threshold
No external load
Rising edge, typical hysteresis = 160mV
1.218
1.277
1.15
V
V
MAIN STEP-UP REGULATOR
Output Voltage Range
Operating Frequency
V MAIN
f OSC
V IN
900
18
1400
V
kHz
FB Regulation Voltage
FB Line Regulation
FB Transconductance
LX On-Resistance
LX Current Limit
V FB
R LX(ON)
I LIM
No load
V IN = 2.5V to 6V
? I COMP = ±2.5μA
I LX = 200mA
V FB = 1.2V, duty cycle = 75%
1.198
75
2.5
1.260
±0.4
280
300
3.5
V
%/ V
μS
m ?
A
OPERATIONAL AMPLIFIERS
SUP Supply Range
SUP Overvoltage Fault Threshold
SUP Supply Current
Input Offset Voltage
Input Common-Mode Voltage
Range
V SUP
I SUP
V OS
V CM
Buffer configuration, V POS_ = V SUP / 2,
no load
(V NEG_ , V POS_ , V OUT_ ) ? V SUP / 2
6
18.0
0
18
19.9
5
12
V SUP
V
V
mA
mV
V
Output Voltage Swing, High
Output Voltage Swing, Low
V OH
V OL
I OUT_ = 5mA
I OUT_ = -5mA
V SUP -
100
100
mV
mV
Short-Circuit Current
To V SUP / 2
Source
Sink
75
75
mA
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9
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