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參數(shù)資料
| 型號： | LM2702MT-ADJ/NOPB |
| 廠商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | 2.6 A SWITCHING REGULATOR, 720 kHz SWITCHING FREQ-MAX, PDSO16 |
| 封裝： | TSSOP-16 |
| 文件頁數(shù)： | 18/21頁 |
| 文件大小： | 1197K |
| 代理商： | LM2702MT-ADJ/NOPB |
Electrical Characteristics Vcom Amplifier
Specifications in standard type face are for T
J = 25C and those with boldface type apply over the full Operating Tempera-
ture Range (T
J = 40C to +125C). Unless otherwise specified, VIN =2.2V and AVIN = 8V, RCOM =RGAMMA =50
,C
COM =
C
GAMMA = 1nF.
Vcom Amplifier
Symbol
Parameter
Conditions
Min
Typ
Max
Units
V
OS
Input Offset Voltage (Note
V
CM = 1V
3.5
10
mV
V
CM = 7.5V
3
10
I
B
Input Bias Current
V
CM = 1V
65
200
nA
V
CM = 7.5V
190
300
I
OS
Input Offset Current
V
CM = 1V
45
130
nA
V
CM = 7.5V
5
110
CMVR
Input Common-mode Voltage
Range
08
V
OUT Swing
R
L=10k, Vo min.
0.003
.02
V
R
L=10k, Vo max.
7.94
7.98
R
L=2k, Vo min.
0.003
.02
R
L=2k, Vo max.
7.9
7.95
A
VOL
Large Signal Voltage Gain
No Load, Vo = 2V to 7V
74.8
87.6
dB
R
L=10 k
,Vo=2Vto7V
66.8
75.1
R
L=2 k
, Vo = 2V to 7V
55.8
AV
IN
Supply Voltage
412
V
CMRR
Common Mode Rejection
Ratio
V
CM stepped from 0V to 1.1V
72
91.7
dB
V
CM stepped from 3V to 8V
80
105
V
CM stepped from 0V to 8V
57
80.7
PSRR
Power Supply Rejection
Ratio
V
CM = 0.5V, AVIN =4to12V
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
40
50
70
mA
Sink
40
50
60
Electrical Characteristics Gamma Buffer
Specifications in standard type face are for T
J = 25C and those with boldface type apply over the full Operating Tempera-
ture Range (T
J = 40C to +125C). Unless otherwise specified, VIN =2.2V and AVIN = 8V, RCOM =RGAMMA =50
,C
COM =
C
GAMMA = 1nF.
Gamma Buffer
Symbol
Parameter
Conditions
Min
Typ
Max
Units
V
OS
Input Offset Voltage (Note
110
mV
I
B
Input Bias Current
170
300
nA
V
GR
Gamma Input Voltage Range
08
V
OUT Swing
R
L=10k, Vo min.
0.05
0.075
V
R
L=10k, Vo max.
7.9
7.94
R
L=2k, Vo min.
0.05
0.075
R
L=2k, Vo max.
7.865
7.9
A
VCL
Voltage Gain
No Load, Vo = 2V to 7V
0.995
0.999
V/V
R
L=10 k
,Vo=2Vto7V
0.995
0.999
R
L=2 k
,Vo=2Vto7V
0.993
0.998
PSRR
Power Supply Rejection
Ratio
AV
IN =4to12V
70
77
dB
LM2702
www.national.com
6
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