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參數(shù)資料
| 型號： | L5100 |
| 廠商： | 友順科技股份有限公司 |
| 英文描述： | WHITE LED STEP-UP CONVERTER |
| 中文描述： | 白光LED升壓轉(zhuǎn)換器 |
| 文件頁數(shù)： | 2/7頁 |
| 文件大小： | 131K |
| 代理商： | L5100 |
L5100
LINEAR INTEGRATED CIRCUIT
PIN DES CRIPT ION
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
QW-R103-024,A
2
PIN NO.
SOT-25 SOT-363
PIN NAME
SYMBOL
FUNCTION
1
1
Switch
SW
Connect inductor/diode here. Minimize trace area at this pin to
reduce EMI.
Connect directly to local ground plane.
Reference voltage is 95mV. Connect cathode of lowest LED and
resistor here. Calculate resistor value according to the formula:
R
FB
= 95mV/I
LED
SHDN
Connect to 1.5V or higher to enable device; 0.4V or less to disable
device.
V
IN
Input Supply Pin. Must be locally bypassed.
2
2/5
Ground
GND
3
3
Feedback
FB
4
4
Shutdown
5
6
Input Supply
BLOCK DIAGRAM
5
V
REF
1.25V
3
1
2
4
95mV
V
IN
FB
Pin 5 (SOT-25)
Pin 6 (SOT-363)
-
+
A1
-
+
-
+
A2
Rc
Cc
Σ
RAMP
GENERATOR
1.2MHz
TIME CONTROL
R
S
Q
DRIVER
SW
Q1
GND
Pin 2/5 (SOT-363)
Pin 2 (SOT-25)
0.2
Ω
SHUTDOWN
Slope compensation
SHDN
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| L5100-AF5-R | WHITE LED STEP-UP CONVERTER |
| L5100-AN3-R | WHITE LED STEP-UP CONVERTER |
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| L5100L-AN3-R | WHITE LED STEP-UP CONVERTER |
| L5988 | 4A step-down switching regulator with synchronous rectification |
相關(guān)代理商/技術(shù)參數(shù) |
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|---|---|
| L5100_10 | 制造商:UTC-IC 制造商全稱:UTC-IC 功能描述:WHITE LED STEP-UP CONVERTER |
| L5100_11 | 制造商:UTC-IC 制造商全稱:UTC-IC 功能描述:WHITE LED STEP-UP CONVERTER |
| L51000 | 制造商:LAUREL ELECTRONICS 功能描述:Laureate 1/8 DIN serial input meter / remote display, low voltage power 12-30 Va |
| L51001 | 制造商:LAUREL ELECTRONICS 功能描述:Laureate 1/8 DIN serial input meter / remote display, low voltage power 12-30 Va |
| L5100-16MBS-A | 制造商:RadiSys 功能描述:BRD, 100MHX PENT, OKB L2 |
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