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参数资料
| 型号： | LM2702MT-ADJ/NOPB |
| 厂商： | National Semiconductor |
| 文件页数： | 6/24页 |
| 文件大小： | 0K |
| 描述： | IC MODULE PANEL TFT DISP 16TSSOP |
| 标准包装： | 92 |
| 应用： | LCD 显示器 |
| 电流 - 电源： | 2.6mA |
| 电源电压： | 2.2 V ~ 12 V |
| 工作温度： | -40°C ~ 125°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： | 管件 |
| 其它名称： | *LM2702MT-ADJ *LM2702MT-ADJ/NOPB LM2702MT-ADJ |
OBSOLETE
SNVS206D – NOVEMBER 2002 – REVISED APRIL 2013
Electrical Characteristics Switching Regulator (continued)
Specifications in standard type face are for T J = 25°C and those with boldface type apply over the full Operating
Temperature Range ( T J = ? 40°C to +125°C). Unless otherwise specified, V IN =2.2V and AV IN = 8V, R COM = R GAMMA = 50 ? ,
C COM = C GAMMA = 1nF.
Switching Regulator
Symbol
I SS
T SS
g m
Parameter
Soft Start Current
Internal Soft Start Ramp Time
Error Amp Transconductance
Δ I = 5μA
Conditions
Min (1)
5
40
Typ (2)
12
7
135
Max (1)
15
10
290
Units
μA
mS
μmho
A V
Error Amp Voltage Gain
135
V/V
D MAX
Maximum Duty Cycle
78
85
%
f S
I L
UVP
Switching Frequency
Switch Leakage Current
On Threshold
Off Threshold
V SW = 18V
480
1.79
1.69
600
0.1
1.92
1.82
720
20
2.05
1.95
kHz
μA
V
V
Hysteresis
100
mV
Electrical Characteristics Vcom Amplifier
Specifications in standard type face are for T J = 25°C and those with boldface type apply over the full Operating
Temperature Range ( T J = ? 40°C to +125°C). Unless otherwise specified, V IN =2.2V and AV IN = 8V, R COM = R GAMMA = 50 ? ,
C COM = C GAMMA = 1nF.
Vcom Amplifier
Symbol
Parameter
Conditions
Min (1)
Typ (2)
Max (1)
Units
V OS
I B
I OS
Input Offset Voltage
Input Bias Current
Input Offset Current
(3)
V CM = 1V
V CM = 7.5V
V CM = 1V
V CM = 7.5V
V CM = 1V
V CM = 7.5V
3.5
3
65
190
45
5
10
10
200
300
130
110
mV
nA
nA
CMVR
V OUT Swing
Input Common-mode Voltage
Range
R L =10k, Vo min.
0
0.003
8
.02
V
R L =10k, Vo max.
R L =2k, Vo min.
R L =2k, Vo max.
7.94
7.9
7.98
0.003
7.95
.02
V
A VOL
Large Signal Voltage Gain
No Load, Vo = 2V to 7V
R L =10 k ? , Vo = 2V to 7V
74.8
66.8
87.6
75.1
dB
R L =2 k ? , Vo = 2V to 7V
55.8
AV IN
Supply Voltage
4
12
V
CMRR
Common Mode Rejection
V CM stepped from 0V to 1.1V
72
91.7
Ratio
V CM stepped from 3V to 8V
V CM stepped from 0V to 8V
80
57
105
80.7
dB
PSRR
Power Supply Rejection Ratio
V CM = 0.5V, AV IN = 4 to 12V
70
77
dB
Is+
Supply Current (Amplifier +
Buffer)
Vo = AV IN /2, No Load
2.2
4
mA
I SC
Output Short Circuit Current
Source
Sink
40
40
50
50
70
60
mA
(1)
(2)
(3)
All limits guaranteed at room temperature (standard typeface) and at temperature extremes (bold typeface). All room temperature limits
are 100% production tested or guaranteed through statistical analysis. All limits at temperature extremes are guaranteed via correlation
using standard Statistical Quality Control (SQC) methods. All limits are used to calculate Average Outgoing Quality Level (AOQL).
Typical numbers are at 25°C and represent the most likely norm.
Refer to the graphs titled "Input Offset Voltage vs. Common Mode Voltage", Figure 22 through Figure 25 .
6
Product Folder Links: LM2702
Copyright ? 2002–2013, Texas Instruments Incorporated
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