lt3498eddb-trpbf Linear Technology Corporation, lt3498eddb-trpbf Datasheet - Page 21
lt3498eddb-trpbf
Manufacturer Part Number
lt3498eddb-trpbf
Description
20ma Led Driver And Oled Driver With Integrated Schottky In 3mm X 2mm Dfn
Manufacturer
Linear Technology Corporation
Datasheet
1.LT3498EDDB-TRPBF.pdf
(24 pages)
- Current page: 21 of 24
- Download datasheet (450Kb)
TYPICAL APPLICATIONS
C
C1: TAIYO YUDEN GMK212BJ105KG
C3: TAIYO YUDEN TMK316BJ106ML
L1: MURATA LQH32CN150K53
L2: MURATA LQH32CN100K53
IN
, C2: X5R OR X7R WITH SUFFICIENT VOLTAGE RATING
C1
1 F
R
10
SENSE1
20mA
Li-Ion to Four White LEDs and OLED/LCD Bias
80
50
75
70
65
60
55
CAP1
LED1
0
V
IN
SHUTDOWN
SW1
DIMMING
CONTROL
OFF
= 3V TO 5V
CTRL1
AND
V
15 H
ON
5
L1
IN
LED Effi ciency
LED CURRENT (mA)
= 3.6V, 4 LEDs
GND1
3498 TA05
V
IN
10
LT3498
10 H
GND2
L2
C
4.7 F
IN
SW2
SHUTDOWN
CONTROL
OFF
15
CTRL2
AND
ON
3498 TA05b
CAP2
20
V
FB2
OUT2
C2
0.47 F
R
2.21M
FB2
C3
10 F
16V
24mA
LT3498
21
3498f
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