参数资料
型号: TPS5102IDBT
厂商: TEXAS INSTRUMENTS INC
元件分类: 稳压器
英文描述: 3 A DUAL SWITCHING CONTROLLER, 500 kHz SWITCHING FREQ-MAX, PDSO30
封装: GREEN, PLASTIC, TSSOP-30
文件页数: 34/34页
文件大小: 1182K
代理商: TPS5102IDBT
TPS5102
DUAL, HIGH-EFFICIENCY CONTROLLER FOR NOTEBOOK PC POWER
SLVS239 - SEPTEMBER 1999
9
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
electrical characteristics over recommended operating free-air temperature range, VCC = 7 V
(unless otherwise noted) (continued)
softstart
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
ICTRL
Soft-start current
1.8
2.5
3
A
Maximum discharge current
0.92
mA
VTLH
Threshold voltage (skip mode)
3.4
3.9
4.7
V
VTHL
Threshold voltage (skip mode)
1.8
2.6
3.4
V
output voltage protection (COMP)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
Threshold voltage
0.9
1.1
1.3
V
Progagation delay, 50% duty cycle,
No capacitor on COMP or OUT_u pin,
Frequency = 200 kHz
Turnon
900
ns
Turnoff (with channel on)
400
ns
The delay time in the table includes the driver delay.
PWM/SKIP
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
Threshold
High to low
0.5
V
Threshold
Low to high
2
V
Delay
High to low
550
ns
Delay
Low to high
400
ns
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