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| 型号： | TL1466IPMRG4 |
| 厂商： | TEXAS INSTRUMENTS INC |
| 元件分类： | 稳压器 |
| 英文描述： | 0.5 A SWITCHING CONTROLLER, 800 kHz SWITCHING FREQ-MAX, PQFP64 |
| 封装： | GREEN, PLASTIC, LQFP-64 |
| 文件页数： | 7/26页 |
| 文件大小： | 538K |
| 代理商： | TL1466IPMRG4 |
TL1466I
HIGHSPEED/PRECISION SIX CHANNEL
SWITCHING REGULATOR CONTROLLER
SLVS262 FEBRUARY 2000
15
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
TYPICAL CHARACTERISTICS
R(BIAS) Bias Resistance k
0
5
10
15
20
25
30
0
5
10
15
20
25
30
TA = 65 °C
OUTPUT SINK CURRENT
vs
BIAS RESISTANCE
I
(SINK)
Output
Sink
Current
mA
VCC = 3 V
VCC = 6 V
VCC = 10 V
Figure 12
TA Free-Air Temperature °C
0
2
4
6
8
10
12
50
0
50
100
150
OUTPUT SINK CURRENT
vs
FREE-AIR TEMPERATURE
I
(SINK)
Output
Sink
Current
mA
R(BIAS) = 6.8 k
VCC = 6 V
R(BIAS) = 10 k
Figure 13
Dead-Time Input Voltage V
0
25
50
75
100
125
0.0
0.5
1.0
1.5
OUTPUT ON DUTY CYCLE
vs
DEAD-TIME INPUT VOLTAGE
VCC = 6 V
TA = 65 °C
Duty
Output”On”
Dity
Cycle
%
Figure 14
R(DUTY) Resistance k
0
25
50
75
0
255075
MOSFET ON DUTY CYCLE
vs
RESISTANCE
This Graph
is Simulation
Data
D(MOS)(%)=ton(MOS)/T
D
(MOS)
MOSFET
”ON”
Dity
Cycle
%
PNP Transistor
Collector
Waveform
(Assuming duty
cycle = 50%)
ton(MOS)
T
Figure 15
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