參數(shù)資料
型號(hào): SM8120
廠商: Seiko NPC Corporation
元件分類: LED驅(qū)動(dòng)器
英文描述: White LED Driver IC
中文描述: 白光LED驅(qū)動(dòng)IC
文件頁(yè)數(shù): 3/14頁(yè)
文件大?。?/td> 201K
代理商: SM8120
SM8120A
NIPPON PRECISION CIRCUITS INC.—3
SPECIFICATIONS
Absolute Maximum Ratings
Electrical Characteristics
V
DD
= 3.6V, V
SS
= 0V, Ta = 25
°
C unless otherwise noted
Parameter
Symbol
Rating
Unit
Supply voltage range
V
DD
0.3 to 6.5
V
Input voltage range
V
IN
V
SS
– 0.3 to V
DD
+ 0.3
V
SW output voltage range
V
SW
–0.3 to 27
V
SW input current
I
SW
250
mA
Power dissipation
P
D
250 (Ta = 25
°
C)
mW
Operating temperature range
T
opr
–40 to 85
°
C
Storage temperature range
T
stg
55 to 125
°
C
Parameter
Pin
Symbol
Condition
Rating
Unit
min
typ
max
Supply voltage
VDD
V
DD
2.4
3.6
5.5
V
Standby current
VDD
I
STB
V
CE
= 0V
1.0
μA
Quiescent current
VDD
I
DD
V
FB
= 1.0V
80
120
μA
SW-Tr ON resister
SW
R
ON
I
SW
= 100mA, V
DD
= 3.6V
2.0
3.0
SW-Tr leak current
SW
I
LEAK
V
SW
= V
DD
1.0
μA
Maximum switching frequency
SW
f
OSC
V
FB
= 0V
450
500
550
kHz
Duty
SW
Duty
V
FB
= 0V
53
60
67
%
Input voltage
CE
V
IH
2.0
V
V
IL
0.6
V
Input current
CE
I
CE
V
CE
= 3.6V
5.0
10
μA
FB
I
FB
V
FB
= 0.5V
–1.0
1.0
μA
Soft-start time
SW
T
SS
500
μs
FB voltage
FB
V
FB
0.49
0.50
0.51
V
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