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HV861 Datasheet(PDF) 8 Page - Microchip Technology

Part # HV861
Description  Low-Noise Dimmable Dual EL Lamp Driver
PDF  17 Pages
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Manufacturer  MICROCHIP [Microchip Technology]
Direct Link  http://www.microchip.com
Logo MICROCHIP - Microchip Technology

HV861 Datasheet(HTML) 8 Page - Microchip Technology

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HV861
DS20005911B-page 8
2023-2026 Microchip Technology Inc. and its subsidiaries
3.0
APPLICATION INFORMATION
FIGURE 3-1:
Test Circuit.
TABLE 3-1:
TYPICAL PERFORMANCE (EL1 LAMP SIZE = EL2 LAMP SIZE = 3.6 IN2)
EN1
EN2
EL1
EL2
COM1
COM2
IC
0
0
High Z
High Z
High Z
High Z
OFF
0
1
High Z
ON
High Z
ON
ON
1
0
ON
High Z
ON
High Z
ON
1
1
ON
ON
ON
ON
ON
100μH
3.3MΩ
2.0MΩ
825kΩ
V
DD = 3.0V
0.1μF
2.2μF
Input Logic Control:
ON = 1.5 to V
DD
OFF = 0 to 0.2V
GND
EN1
VDD
1
2
3
4
8
7
6
5
9
10
11
12
14
15
16
13
PWM
VREF
EN2
RSW-Osc
REL-Osc
VREG
VOUT
LX
CS
EL1
COM1
EL2
COM2
HV861
EL1
EL2
3.3nF
100V NPO
1N4148
4.7μF
V
IN = 3.2 to 4.2V
TABLE 3-2:
TRUTH FUNCTION TABLE
VDD
(V)
VIN
(V)
Lamp
IIN
(mA)
VCS
(VPEAK)
fEL
(Hz)
Lamp Brightness
(cd/m2)
EL1
EL2
3
4
EL1 ON
16.5
93
188
14
—
EL2 ON
16.5
—
14
EL1 and EL2 ON
29.8
14
14



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