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參數(shù)資料
| 型號(hào)： | LC410591FN |
| 廠商： | Sanyo Electric Co.,Ltd. |
| 英文描述： | CMOS IC Power Supply IC with Built-in White LED Charge Pump |
| 中文描述： | CMOS集成電路電源集成電路內(nèi)置電荷泵白光LED |
| 文件頁數(shù)： | 2/11頁 |
| 文件大?。?/td> | 94K |
| 代理商： | LC410591FN |
LC410591FN
No.A0089-2/11
Specifications
Absolute Maximum Ratings
at Ta = 25
°
C
Parameter
Symbol
Conditions
Ratings
Unit
Maximum supply voltage
VDD
VSS
Tstg
-0.3 to +7.2
V
Maximum supply voltage
-0.3 to +0.3
V
Storage Temperature
-55 to +125
°
C
Allowable Operating Range
at Ta=-40
°
C to 85
°
C (unless otherwise specified, Ta=25
°
C)
Supply voltage (VIN)=3.6V, RSET=3.2k
, LED forward voltage (VF)=3.2V,
input bypass capacitor (CIN)=2.2
μ
F, output smoothing capacitor (CCP)=2.2
μ
F
Ratings
Parameter
Symbol
Conditions
min
typ
max
Unit
Supply voltage
VIN
2.7
5.5
V
Maximum output current
Ta=25
°
C
105
mA
Ta=25
°
C, 4 LEDs lit
26
mA
Maximum LED current (per 1 LED)
Ta=25
°
C, 3 LEDs lit
35
mA
VIN=4.1 to 5.5V (
×
1 mode)
VIN=2.7 to 4.1V (
×
1.5 mode)
2
mA
No-load supply current
(
100% ILED
)
5
mA
Charge pump frequency
600
kHz
Charge pump mode-switching
supply voltage
Charge pump mode-switching
supply voltage hysteresis
Reference voltage output
When switching from
×
1 to
×
1.5
4.1
V
0.5
V
1.2
V
ISET bias
1.2
V
LED current absolute accuracy
±
3
%
LED to LED current matching
±
1.5
%
Shutdown time supply current
VIN=2.7 to 5.5V,Ta=25
°
C
BRGT input
1
μ
A
Input signal frequency (PWM)
100
50k
Hz
Ta=25
°
C,VIN=4.5 to 5.5V
Ta=25
°
C,VIN=2.7 to 4.5V
Ta=25
°
C,VIN=2.7 to 5.5V
Ta=25
°
C
3
V
BRGT signal high threshold value
2.5
V
BRGT signal low threshold value
0.5
V
BRGT input current (H level)
1
μ
A
BRGT input current (L level)
(Note 1) Electrical characteristics at Ta=-40
°
C indicate design guaranteed values.
Ta=25
°
C
-1
μ
A
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