參數(shù)資料
型號(hào): NTE1753
廠商: NTE Electronics, Inc.
英文描述: 2.5-V Integrated Reference Circuit 8-SOIC 0 to 70
中文描述: 集成電路脈沖寬度調(diào)制(PWM)控制電路
文件頁數(shù): 3/4頁
文件大?。?/td> 36K
代理商: NTE1753
Electrical Characteristics (Cont’d):
(V
CC
= 15V, C
T
= 0.01
μ
F, R
T
= 12k
. For typical values
T
A
= +25
°
C, for min/max values T
A
is 0
°
to +70
°
C unless other-
wise specified.)
Parameter
Symbol
Error Amplifier Section
Input Offset Voltage
V
IO
V
O(Pin3)
= 2.5V
Input Offset Current
I
IO
V
C(Pin3)
= 2.5V
Input Bias Current
I
IB
V
O(Pin3)
= 2.5V
Common Mode Input
Low
V
ICR
V
CC
= 40V, T
A
= +25
°
C
Voltage Range
High
Open
Loop Voltage Gain
A
VOL
V
O
= 3V, V
O
= 0.5V to 3.5V, R
L
= 2k
Unity Gain Crossover Frequency
f
c
V
O
= 0.5V to 3.5V, R
L
= 2k
Phase Margin at Unity Gain
Φ
m
V
O
= 0.5V to 3.5V, R
L
= 2k
Common Mode Rejection Ratio
CMRR
V
CC
= 40V
Power Supply Rejection Ratio
PSRR
V
CC
= 33V, V
O
= 2.5V, R
L
= 2k
Output Sink Current
I
O
V
O(Pin3)
= 0.7V
Output Source Current
I
O
+
V
O(Pin3)
= 3.5V
PWM Comparator Section
Input Threshold Voltage
V
TH
Zero Duty Cycle
Input Sink Current
I
I
V
(Pin3)
= 0.7V
Dead–Time Control Section
Input Bias Current (Pin4)
I
IB(DT)
V
IN
= 0 to 5.25V
Maximum Output Duty Cycle
DC
max
V
IN
= 0, C
T
= 0.01
μ
F, R
T
= 12k
V
IN
= 0, C
T
= 0.001
μ
F, R
T
= 47k
Input Threshold Voltage (Pin4)
V
TH
Zero Duty Cycle
Maximum Duty Cycle
Oscillator Section
Frequency
f
OSC
C
T
= 0.001
μ
F, R
T
= 47k
Standard Deviation of Frequency
α
f
OSC
C
T
= 0.001
μ
F, R
T
= 47k
Frequency Change with
f
OSC
(
T) 0
°
T
A
+70
°
C
Temperature
C
T
= 0.01
μ
F, R
T
= 12k
Frequency Change with Voltage
f
OSC
(
V) V
CC
= 7V to 40V, T
A
= +25
°
C
Total Device
Standby Supply Current
I
CC
V
CC
= 15V, all other inputs and outputs
open
V
CC
= 40V, all other inputs and outputs
open
Average Supply Current
I
S
V
(Pin4)
= 2V, C
T
= 0.001
μ
F, R
T
= 47k
Test Conditions
Min
Typ
Max
Unit
2
5
10
250
1.0
mV
nA
μ
A
V
V
dB
kHz
deg.
dB
dB
mA
mA
0.1
95
350
65
90
100
0.7
4
0.3
V
CC
2
70
65
0.3
2
3.5
0.7
4.5
V
0.3
mA
90
0
2
96
92
2.8
10
100
100
3.3
μ
A
%
%
V
V
25
3
1
12
12
kHz
%
%
%
%
5.5
10
mA
7.0
15
mA
7
mA
Note 1. Standard deviation is a measure of the statistical distribution about the mean as derived from
the formula:
α
=
N
n = 1
(X
n
X)
2
N
1
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