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參數(shù)資料
| 型號： | 5962-9166801QEA |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | 0.25 A SWITCHING CONTROLLER, 300 kHz SWITCHING FREQ-MAX, CDIP16 |
| 封裝： | CERAMIC, DIP-16 |
| 文件頁數(shù)： | 13/17頁 |
| 文件大?。?/td> | 598K |
| 代理商： | 5962-9166801QEA |
TL598
PULSEWIDTHMODULATION CONTROL CIRCUITS
SLVS053D FEBRUARY 1988 REVISED NOVEMBER 2003
5
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
electrical characteristics over recommended operating free-air temperature range, VCC =15V
(unless otherwise noted) (continued)
dead-time control section (see Figure 1) (see Note 4)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
Input bias current (DTC)
VI = 0 to 5.25 V
2
10
A
Maximum duty cycle, each output
DTC = 0 V
0.45
Input threshold voltage (DTC)
Zero duty cycle
3
3.3
V
Input threshold voltage (DTC)
Maximum duty cycle
0
V
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
MIN
TYP
MAX
UNIT
Input threshold voltage (FEEDBACK)
DTC = 0 V
3.75
4.5
V
Input sink current (FEEDBACK)
V(FEEDBACK) = 0.5 V
0.3
0.7
mA
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.
total device (see Figure 1) (see Note 4)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
Standby supply current
RT = Vref,
All other inputs and outputs open
VCC = 15 V
15
21
mA
Standby supply current
RT = Vref,
All other inputs and outputs open
VCC = 40 V
20
26
mA
Average supply current
DTC = 2 V
15
mA
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.
switching characteristics, TA = 25°C (see Note 4)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
Output-voltage rise time
CL = 1500 pF,
VC = 15 V,
VCC = 15 V,
See Figure 2
60
150
ns
Output-voltage fall time
CL = 1500 pF,
VC = 15 V,
VCC = 15 V,
See Figure 2
35
75
ns
NOTE 4. Pulse-testing techniques must be used that maintain the junction temperature as close to the ambient temperature as possible.
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