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
文件頁數(shù)： 5/10頁
文件大?。?/td> 154K
代理商： TL598N
TL598
PULSE-WIDTH-MODULATION CONTROL CIRCUITS
SLVS053C – FEBRUARY 1988 – REVISED JULY 1999
5
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
electrical characteristics over recommended operating free-air temperature range, V
CC
= 15 V
(unless otherwise noted)
undervoltage lockout section (see Note 4)
PARAMETER
TEST CONDITIONS
TL598C
MIN
4
TL598Q
MIN
4
UNIT
MAX
MAX
Threshold voltage
TA = 25
°
C
TA = full range
TA = 25
°
C
TA = full range
6
6
V
3.5
6.9
3
6.9
Hysteresis
100
100
mV
50
30
Full range is 0
°
C to 70
°
C for the TL598C, and –40
°
C to 125
°
C for the TL598Q.
Hysteresis is the difference between the positive-going input threshold voltage and the negative-going input threshold voltage.
NOTE 4. Pulse-testing techniques must be used that maintain the junction temperature as close to the ambient temperature as possible.
output section (see Note 4)
PARAMETER
TEST CONDITIONS
TL598C, TL598Q
MIN
12
UNIT
MAX
High level output voltage
High-level output voltage
VCC = 15 V,
VC = 15 V
IO = –200 mA
IO = –20 mA
IO = 200 mA
IO = 20 mA
V
13
Low level output voltage
Low-level output voltage
VCC = 15 V,
VC = 15 V
2
V
0.4
Output control input current
Output-control input current
VI = Vref
VI = 0.4 V
3.5
100
mA
μ
A
NOTE 4. Pulse-testing techniques must be used that maintain the junction temperature as close to the ambient temperature as possible.
dead-time control section (see Figure 1) (see Note 4)
PARAMETER
TEST CONDITIONS
TL598C
TYP§
TL598Q
TYP§
UNIT
MIN
MAX
–10
MIN
MAX
–25
Input bias current (DTC)
VI = 0 to 5.25 V
DTC = 0 V
–2
–2
μ
A
Maximum duty cycle, each output
0.45
0.45
Input threshold voltage (DTC)
Zero duty cycle
3
3.3
3
3.2
V
Maximum duty cycle
0
0
§All typical values except for parameter changes with temperature are at TA = 25
°
C.
NOTE 4. Pulse-testing techniques must be used that maintain the junction temperature as close to the ambient temperature as possible.
pwm comparator section (see Note 4)
PARAMETER
TEST CONDITIONS
TL598C, TL598Q
TYP§
3.75
UNIT
MIN
MAX
4.5
Input threshold voltage (FEEDBACK)
DTC = 0 V
V
Input sink current (FEEDBACK)
§All typical values except for parameter changes with temperature are at TA = 25
°
C.
NOTE Pulse-testing techniques must be used that maintain the junction temperature as close to the ambient temperature as possible.
V(FEEDBACK) = 0.5 V
0.3
0.7
mA
total device (see Figure 1) (see Note 4)
PARAMETER
TEST CONDITIONS
TL598C, TL598Q
MIN
TYP§
UNIT
MAX
Standby supply current
RT = Vref,
All other inputs and outputs open
VCC = 15 V
VCC = 40 V
15
21
mA
20
26
Average supply current
§All typical values except for parameter changes with temperature are at TA = 25
°
C.
NOTE 4. Pulse-testing techniques must be used that maintain the junction temperature as close to the ambient temperature as possible.
DTC = 2 V
15
mA
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