AME9003AETH AME, AME9003AETH Datasheet - Page 12

• Manufacturer Part Number: AME9003AETH
• Description: CCFL Inverters & Accessories Backlight Controller
• Manufacturer: AME

Specifications of AME9003AETH

• Function: Backlight Controller
• Input Voltage: 3.5 V
• Output Voltage: 5.35 V
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

AME9003
12
V
are the inverse
Signals OUTC
of each other.
and OUTAPB
BATT
F = fosc/2
OUTAPB
Vhi = 5V
Vlo = 0V
D=50%
Power Stage Single Tube Components
(Same component designations used throughout)
Vlo = Vbatt-7.5V
D = 0-100%
Vhi = Vbatt
F = fosc
AME, Inc.
OUTA
Q3-1
Q3-1 Gate
Q3-2 Gate
(OUTAPB)
Q2 Gate
(OUTA)
(OUTC)
Figure 4.
D5
Q2
T1
R9+R10
Figure 3. Idealized Gate Drive Waveforms
D4
CCFL
Q3-2
To Control
Circuitry
F = fosc/2
Vhi = 5V
Vlo = 0V
D=50%
OUTC
are the inverse
Signals OUTC
of each other.
and OUTAPB
V
F = fosc/2
OUTAPB
BATT
Vhi = 5V
Vlo = 0V
D=50%
Power Stage Single Tube Components
(Same component designations used throughout)
Vlo = Vbatt-7.5V
D = 0-100%
Vhi = Vbatt
Q3-1
F = fosc
OUTA
with parasitic elements
C
parasitic
L p
CCFL Backlight Controller
D5
Figure 5.
Q2
T1
1:N
L p
D4
R9+R10
5V
CCFL
0V
V
V
5V
0V
L leak
BATT
BATT
- 7.5V
Q3-2
To Control
Circuitry
F = fosc/2
Vhi = 5V
Vlo = 0V
D=50%
OUTC