ML4876ER View Datasheet(PDF) - Micro Linear Corporation
Part Name
Description
MFG CO.
'ML4876ER' PDF : 9 Pages View PDF
ML4876
INPUT 5V to 18V
CONTRAST
VOLTAGE
D1
–20V MAX.
(ADJUSTABLE)
C1 +
22µF
25V
R2
1.6MΩ
R3
100kΩ
T3
C2 +
22µF
25V
Q1
R12
C3
1.0µF
R1
750kΩ
Q2
NOTE 1
5V REF
U2-A
D2
1N4148
D3
10V
+
C4
10µF
16V
C9
0.1µF 1N5817
T2
L1
C12, 0.1µF
T1
U2-B
Q3
C8, 0.1µF
Q4
Q5
C11
0.1µF
R16
20 19 18 17 16 15 14 13 12 11
ML4876
R8
4.3kΩ
R4
200kΩ
1 2 3 4 5 6 7 8 9 10
C5
0.47µF
C6
47µF
R6
200kΩ
R5
200kΩ
C7
47pF
R7
1.6MΩ
CONTRAST
ADJUST
LON ON/OFF
BRIGHTNESS
ADJUST
C10
39pF
1kV
NOTE 1
R1, D3, Q2 ARE OPTIONAL AND ALLOWS A BATTERY
VOLTAGE RANGE FROM 7V TO 28V. REMOVING THESE
COMPONENTS AND CONNECTING DIRECTLY TO THE
INPUT VOLTAGE ALLOWS 5.0 TO 18V.
Figure 1. ML4876 Typical Application Schematic
6
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