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參數(shù)資料
| 型號： | TB62731FUG |
| 廠商： | Toshiba Corporation |
| 元件分類： | LED驅(qū)動器 |
| 英文描述： | Step-up DC-DC Converter for White LED Driver |
| 中文描述： | 升壓型DC - DC轉(zhuǎn)換器，用于白光LED驅(qū)動器 |
| 文件頁數(shù)： | 3/20頁 |
| 文件大小： | 250K |
| 代理商： | TB62731FUG |
TB62731FUG
2006-06-14
3
Absolute Maximum Ratings
(unless otherwise specified, T
opr
=
25°C)
Characteristics
Symbol
Rating
Unit
Supply voltage
V
CC
V
IN
0.3~
+
6.0
V
Input voltage
0.3~
+
V
CC
+
0.3
V
Pin A (anode) current
I
o
(A)
+
270
mA
Pin A voltage
V
o
(A)
0.3~
+
28
V
0.41 (IC only)
Power dissipation
P
D
0.47 (IC mounted on PCB)
(Note)
W
R
th (j-a)
1
300 (IC only)
Saturation thermal resistance
R
th (j-a)
2
260 (IC mounted on PCB)
°C/W
Operating temperature range
T
opr
40~
+
85
°C
Storage temperature range
T
stg
40~
+
150
°C
Maximum junction temperature
T
j
125
°C
Note: The power dissipation is derated by 3.8 mW/
°
C from the Absolute maximum rating for every 1°C exceeding
the ambient temperature of 25
°
C (when the IC is mounted on a PCB).
Recommended Operating Conditions (unless otherwise specified,
T
opr
=
40~85°C)
Characteristics
Symbol
Test
circuit
Test condition
Min
Typ.
Max
Unit
Supply voltage
V
CC
3.0
4.3
V
SHDN pin high-level input voltage
V
IH
V
CC
0.5
V
CC
V
SHDN pin low-level input voltage
V
IL
0
0.5
V
SHDN pin high-level input pulse width
tpw SHDN
500
μ
s
Set LED current (mean)
I
o
V
o
(A)
=
V
IN
3.0 V, V
OUT
16 V
5
20
mA
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| TB62732FU | 制造商:TOSHIBA 制造商全稱:Toshiba Semiconductor 功能描述:The step up type DC-DC converter only for white LED driver lighting |
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