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參數(shù)資料
| 型號： | NTE1765 |
| 廠商： | NTE Electronics, Inc. |
| 英文描述： | Precision Voltage Reference 8-SOIC 0 to 70 |
| 中文描述： | 集成電路雙通道電流模式控制器 |
| 文件頁數(shù)： | 2/4頁 |
| 文件大?。?/td> | 31K |
| 代理商： | NTE1765 |
V Compensation
V Current Sense
Electrical Characteristics:
(V
CC
= 15V (Note 2), R
T
= 8.2k
, C
T
= 3.3nF, Note 3 unless otherwise
specified)
Parameter
Symbol
Test Conditions
Min
Typ
Max
Unit
Reference Section
Reference Output Voltage
V
ref
Reg
line
Reg
load
V
ref
I
O
= 1mA, T
J
= +25
°
C
V
CC
= 11V to 15V
I
O
= 1mA to 10mA
4.9
5.0
5.1
V
Line Regulation
–
2.0
20
mV
Load Regulation
–
3.0
25
mV
Total Output Variation over Line,
Load and Temperature
Output Short Circuit Current
4.85
–
5.15
V
I
SC
30
100
–
mA
Oscillator and PWM Sections
Total Frequency Variation over Line
and Temperature
Frequency Change with Voltage
f
OSC
V
CC
= 11V to 15V, T
A
= 0
°
to +70
°
C
46.5
49.0
51.5
kHz
f
OSC
/
V
V
CC
= 11V to 15V
–
0.2
1.0
%
Duty Cycle at each Output
Maximum
DC
max
DC
min
46.0
49.5
52.0
%
Minimum
–
–
0
%
Sync Input Current
High State
Low State
I
IH
I
IL
V
in
= 2.4V
V
in
= 0.8V
–
–
170
80
250
160
μ
A
μ
A
Error Amplifiers
Voltage Feedback Input
V
FB
I
IB
A
VOL
BW
V
O
= 2.5V
V
FB
= 5V
V
O
= 2V to 4V
T
J
= +25
°
C
V
CC
= 11V to 15V
2.42
2.50
2.58
V
μ
A
dB
Input Bias Current
–
–
0.1
–
1.0
Open
–
Loop Voltage Gain
65
100
–
Unity Gain Bandwidth
0.7
1.0
–
MHz
Power Supply Rejection Ratio
PSRR
60
90
–
dB
Output Current
Source
Sink
I
Source
I
Sink
V
O
= 3V, V
FB
= 2.3V
V
O
= 1.2V, V
FB
= 2.7V
–
0.45
2.0
–
–
–
1.0
12
–
–
–
mA
mA
mA
Output Voltage Swing
High State
V
OH
V
OL
R
L
= 15k to GND, V
FB
= 2.3V
R
L
= 15k to V
ref
, V
FB
= 2.7V
5.0
6.2
–
V
Low State
–
0.8
1.1
V
Current Sense Section
Current Sense Input Voltage Gain
A
V
V
th
I
IB
Note 4, Note 5
2.75
3.00
3.25
V/V
Max. Current Sense Input Threshold
Note 4
430
480
530
mV
μ
A
ns
Input Bias Current
–
–
2
–
10
Propagation Delay (Current Sense
Input to Output
t
PLN(IN/OUT)
–
150
300
Note 2
. Adjust V
CC
above the Start
–
Up threshold before setting to 15V.
Note 3
. For typical values, T
A
= +25C; for Min/Max values, T
A
= 0
°
to +70
°
C. Low duty cycle pulse
techniques are used during test to maintain junction temperature as close to ambient as pos-
sible.
Note 4
. This parameter is measured at the latch trip point with V
fb
= 0V.
Note 5.
Comparator gain is defined as A
V
=
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