參數(shù)資料
型號: TL598Y
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, UUC
封裝: DIE
文件頁數(shù): 11/13頁
文件大?。?/td> 210K
代理商: TL598Y
TL598
PULSE-WIDTH-MODULATION CONTROL CIRCUITS
SLVS053C – FEBRUARY 1988 – REVISED JULY 1999
7
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
electrical characteristics, VCC = 15 V, TA = 25°C
dead-time control section (see Figure 1) (see Note 4)
PARAMETER
TEST CONDITIONS
TL598Y
UNIT
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
Input bias current (DTC)
VI = 0 to 5.25 V
–2
A
Input threshold voltage (DTC)
Zero duty cycle
3
V
NOTE 4. Pulse-testing techniques that maintain the junction temperature as close to the ambient temperature as possible must be used.
pwm comparator section (see Note 4)
PARAMETER
TEST CONDITIONS
TL598Y
UNIT
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
Input threshold voltage (FEEDBACK)
DTC = 0 V
3.75
V
Input sink current (FEEDBACK)
FEEDBACK = 0.5 V
0.7
mA
NOTE 4. Pulse-testing techniques that maintain the junction temperature as close to the ambient temperature as possible must be used.
total device (see Figure 1) (see Note 4)
PARAMETER
TEST CONDITIONS
TL598Y
UNIT
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
Standby supply current
RT = Vref,
VCC = 15 V
15
mA
Standby supply current
All other inputs and outputs open
VCC = 40 V
20
mA
Average supply current
DTC = 2 V
15
mA
NOTE 4. Pulse-testing techniques that maintain the junction temperature as close to the ambient temperature as possible must be used.
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