ml4836 Microsemi Corporation, ml4836 Datasheet - Page 2

• Manufacturer Part Number: ml4836
• Description: Compact Fluorescent Electronic Dimming Ballast Controller
• Manufacturer: Microsemi Corporation

ML4836
PIN CONFIGURATION
PIN DESCRIPTION
PIN
1
2
2
3
4
5
6
NAME
REF
LAMP FB
LEAO
R
R
R
SET
T2
T
/C
T
FUNCTION
Buffered output for the 7.5V reference
Inverting input of the lamp error
amplifier, used to sense and regulate
lamp arc current. Also the input node
for dimmable control.
Output of the lamp current error
transconductance amplifier used for
lamp current loop compensation
External resistor which SETS oscillator
F
Oscillator timing component to set
start frequency
Oscillator timing components
MAX
, and R
X
/C
X
charging current
INTERRUPT
LAMP FB
R T /C T
LEAO
R SET
R T2
REF
14-Pin SOIC (S14)
14-Pin DIP (P14)
TOP VIEW
ML4836
1
2
3
4
5
6
7
PIN
7
8
9
10
11
12
13
14
14
13
12
11
10
9
8
NAME
INTERRUPT Input used for lamp-out detection and
R
PWDET
AGND
PGND
OUT B
OUT A
V
X
CC
V CC
OUTA
OUT B
PGND
AGND
PWDET
R X /C X
/C
X
FUNCTION
restart. A voltage less than 1V will reset
the IC and cause a restart after a
programmable interval.
Sets the timing for preheat and
interrupt.
Lamp output power detection
Analog ground
Power ground.
Ballast MOSFET driver output
Ballast MOSFET driver output
Positive supply voltage