參數(shù)資料
型號(hào)： TL598N
廠商： Texas Instruments, Inc.
英文描述： Expandable Sleeving
中文描述： 脈寬調(diào)制控制電路
文件頁(yè)數(shù)： 4/10頁(yè)
文件大?。?/td> 154K
代理商： TL598N
TL598
PULSE-WIDTH-MODULATION CONTROL CIRCUITS
SLVS053C – FEBRUARY 1988 – REVISED JULY 1999
4
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
electrical characteristics over recommended operating free-air temperature range, V
CC
= 15 V
(unless otherwise noted)
reference section (see Note 4)
PARAMETER
TEST CONDITIONS
TL598C
TYP
TL598Q
TYP
UNIT
MIN
4.95
MAX
5.05
MIN
4.95
MAX
5.05
Output voltage (REF)
IO= 1 mA
IO = 1 mA
TA = 25
°
C
TA = full range
TA = 25
°
C
TA = 25
°
C
TA = full range
5
5
V
4.9
5.1
4.9
5.1
Input regulation
VCC = 7 V to 40 V
2
25
2
22
mV
Output regulation
IO= 1 mA to 10 mA
IO = 1 mA to 10 mA
1
15
1
15
mV
50
80
Output voltage change with
temperature
Short-circuit output current§
Full range is 0
°
C to 70
°
C for the TL598C, and –40
°
C to 125
°
C for the TL598Q.
All typical values except for parameter changes with temperature are at TA = 25
°
C.
§Duration of the short circuit should not exceed one second.
NOTE 4: Pulse-testing techniques that maintain the junction temperature as close to the ambient temperature as possible must be used.
TA = MIN to MAX
2
10
2
10
mV/V
REF = 0 V
–10
–48
–10
–48
mA
oscillator section, C
T
= 0.001
μ
F, R
T
= 12 k
(see Figure 1) (see Note 4)
PARAMETER
TEST CONDITIONS
TL598C, TL598Q
MIN
TYP
100
UNIT
MAX
Frequency
Standard deviation of frequency
kHz
All values of VCC, CT, RT, TA constant
VCC = 7 V to 40 V,
TA = full range
TA = full range,
100
Hz/kHz
Frequency change with voltage
TA = 25
°
C
1
10
Hz/kHz
Frequency change with temperature#
70
120
Hz/kHz
CT = 0.01
μ
F
50
80
Full range is 0
°
C to 70
°
C for the TL598C, and –40
°
C to 125
°
C for the TL598Q.
All typical values except for parameter changes with temperature are at TA = 25
°
C.
Standard deviation is a measure of the statistical distribution about the mean as derived from the formula:
#Effects of temperature on external RT and CT are not taken into account.
NOTE 4. Pulse-testing techniques that maintain the junction temperature as close to the ambient temperature as possible must be used.
error amplifier section (see Note 4)
PARAMETER
TEST CONDITIONS
TL598C, TL598Q
TYP
UNIT
MIN
MAX
Input offset voltage
FEEDBACK = 2.5 V
2
10
mV
Input offset current
FEEDBACK = 2.5 V
25
250
nA
μ
A
Input bias current
FEEDBACK = 2.5 V
0.2
1
Common-mode input voltage range
VCC = 7 V to 40 V
0 to
VCC–2
V
Open-loop voltage amplification
VO (FEEDBACK) = 3 V,
VO (FEEDBACK) = 0.5 V to 3.5 V
70
95
dB
Unity-gain bandwidth
800
kHz
Common-mode rejection ratio
VCC = 40 V,
FEEDBACK = 0.5 V
VIC = 6.5 V,
TA = 25
°
C
65
80
dB
Output sink current (FEEDBACK)
0.3
0.7
mA
Output source current (FEEDBACK)
FEEDBACK = 3.5 V
–2
mA
Phase margin at unity gain
FEEDBACK = 0.5 V to 3.5 V,
RL = 2 k
RL = 2 k
65
°
100
Supply-voltage rejection ratio
All typical values except for parameter changes with temperature are at TA = 25
°
C.
NOTE 4. Pulse-testing techniques that maintain the junction temperature as close to the ambient temperature as possible must be used.
FEEDBACK = 2.5 V,
VCC = 33 V,
dB
N
n
1
xn–X
2
N–1
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