LG KG800 - El Driver IC

3. TECHNICAL BRIEF
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3.13 EL DRIVER IC (D381B, KEY PCB U202)
EL OFF
EL DRIVER IC
2012 1/4W
EL ONHIGH
LOW
1608
EL PAD
N_ALEN_CLE
820uH
L201
6800p
C225
C224
47p
ZD201
KDZ100VW
1u
C223
R215
33
2200p
C226
2
CLF
3
E
4
GND
L+
7
L-
5
8
V+
VOUT
6
U202 D381B
CHF
1
R214
68K
VBAT
EL_KEY_BACKLIGHT
Figure 3-30. KEY BACK LIGHT, OLED