HV858 Ver la hoja de datos (PDF) - Supertex Inc
Número de pieza
componentes Descripción
Fabricante
HV858 Datasheet PDF : 7 Pages
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HV858
Ordering Information
Device
Package Options
HV858
DFN/MLP-10
HV858K7-G
MSOP-10
HV858MG HV858MG-G
-G indicates the package is RoHS compliant - “Green”
Pin Configuration
HV858K7
Lx 1
GND 2
VDD 3
SDI 4
SCK 5
10 CS
9 COM
8 EL3
7 EL2
6 EL1
DFN/MLP-10
(top view)
Lx 1
GND 2
VDD 3
SDI 4
SCK 5
HV858MG
10 CS
9 COM
8 EL3
7 EL2
6 EL1
MSOP-10
(top view)
Recommended Operating Conditions
Absolute Maximum Ratings
VDD
SDI, SCK
-0.5 to +7V
-0.5 to +7V
ISW
VCS
Power dissipation
0.7A peak
0.5 to +110V
250mW
Storage temperature
-65ºC to +150ºC
Operating temperature
-40ºC to +85ºC
Symbol Parameter
Min Typ Max Unit Conditions
VDD Supply voltage
1.8
6.5
V
ISW(pk) Peak switch current
0.4
A
TA
Operating temperature
-40
85
ºC
Specifications (unless otherwise specified: TA = 25ºC, VDD = 2.6V to 5.5V)
Symbol Parameter
Min Typ. Max Unit Conditions
RSW
VCS
VLAMP
IDD
ICS
IDDQ
ON resistance of switching transistor
Output voltage
85
Differential lamp voltage
170
VDD supply current
VCS supply current
VDD leakage current when disabled
0.01
10
4
95
190
0.15
50
100
6
105
210
0.25
100
150
Ω VDD = 1.8 to 6.5V, ISW = 100mA
V S1...S9 = 0, VDD = 1.8 to 6.5V, no load
V VCOM to any EL, no load, code1 = 111
mA VCS = 20V, no load, PWR_ON = 1
µΑ VCS = 75V, no load
nA S1...S9 = 0, SCK and SDI can be tied to VDD
or GROUND
fSW Inductor switching frequency
fEL
Lamp frequency
108.8 128 147.2 kHz See Figure 1
425 500 575 Hz For all codes except code1 = 000
VLOW Logic pin input Low level
-0.5
0 0.2 VDD V
VHIGH Logic pin input High level
0.8 VDD VDD VDD +
V
0.5
ILOGIC
IDD
VCS
fEL
DMAX
fCLK
TSU
TH
Logic pin input current
Inductor current
Output voltage
Lamp frequency
Maximum PWM switch duty cycle
SCK speed
SDI setup time before SCK rises
SDI hold time before SCK rises
-0.1
0
0.1
µΑ 0 < VDD< 7V
56
70 mA See Figure 1.
82.5
V
VDD = VIN = 3V, total lamp size = 3.0in2
(1.0in2 each), 10-bit SDI serial code = 1111111111
500
Hz
80
88
94
% VCS = 20V, RLOAD = 20Ω
1 MHz
30
ns
30
ns
Note 1: Code refers to the 3-bit Brightness Control Code for the respective EL Lamp
2
A011706
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