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參數(shù)資料
| 型號： | TPS60230RGTT |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | 0.2 A SWITCHED CAPACITOR REGULATOR, 1250 kHz SWITCHING FREQ-MAX, PQCC16 |
| 封裝： | 3 X 3 MM, GREEN, PLASTIC, QFN-16 |
| 文件頁數(shù)： | 18/20頁 |
| 文件大小： | 640K |
| 代理商： | TPS60230RGTT |
www.ti.com
0
0.05
0.10
0.15
0.20
0.25
0.30
0.35
0.40
2.7
3.1
3.5
3.9
4.3
4.7 5.1
5.5
5.9
6.3 6.5
VLED = 3.2 V
VLED = 3.4 V
VLED = 3.6 V
VLED = 3.8 V
I O(max)
Maximum
Output
Current
A
VI Input Voltage V
TA = 255C
VLED = 3 V
980
990
1000
1010
1020
1030
1040
40 30 20 10
0
10 20 30 40 50
60 70 80
TA Free-Air Temperature 5C
Switching
Frequency
kHz
VI = 3.6 V
1
mA/div
500
mV/div
VI
ILED(D1)
3.6 V
AC
EN1 = 1, EN2 = 1, VI = 3.6 V to 4.2 V,
ILED = 20 mA, 5 LEDs Connected,
ILED(D1) Measured With 1 W Resistor,
TA = 255C
100 ms/div
0
5
10
15
20
25
0
10
20
30
40
50
60
70
80
90
100
Duty Cycle %
I LED(D1)
D1
LED
Current
mA
f = 32 kHz
f = 1 kHz
VI = 3.6 V,
ILED max = 20 mA
TPS60230
SLVS516A – MAY 2004 – REVISED JUNE 2004
MAXIMUM OUTPUT CURRENT
SWITCHING FREQUENCY
vs
INPUT VOLTAGE
FREE-AIR TEMPERATURE
Figure 5.
Figure 6.
D1 LED CURRENT
LINE TRANSIENT
vs
DUTY CYCLE
Figure 7.
Figure 8.
7
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