![](http://datasheet.mmic.net.cn/330000/ML4832_datasheet_16440142/ML4832_3.png)
ML4832
REV. 1.0 10/12/2000
3
ELECTRICAL CHARACTERISTICS
Unless otherwise specified, R
SET
= 22.1k
, R
T
= 15.8kW, C
T
= 1.5nF, C(V
CC
) = 1μF, I
SINE
= 200μA, V
CC
= 12.5V,
T
A
= Operating Temperature Range (Note 1)
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
PFC CURRENT SENSE AMPLIFIER
Small Signal Transconductance
40
90
120
μ
Output Low
I
SINE
= 0mA, V
EA OUT
= 0V,
V
IA+
= –0.3V, R
L
=
∞
0.2
0.4
V
Output High
I
SINE
= 1.5mA,
V
EA–/OVP
= V
IA+
= 0V, R
L
=
∞
6.3
6.8
V
Source Current
I
SINE
= 1.5mA,
V
EA–/OVP
= V
IA+
= 0V,
V
IA OUT
= 6V, T
J
= 25oC
–0.05
–0.15
–0.25
mA
Sink Current
I
SINE
= 0mA, V
IA OUT
= 0.3V,
V
IA+
= –0.6V
V
EA OUT
= 0V, V
EA–/OVP
= 5V,
T
J
= 25oC
0.03
0.07
0.16
mA
PFC VOLTAGE FEEDBACK AMPLIFIER/LAMP CURRENT AMPLIFIER
Input Bias Current
–0.3
–1.0
μA
Small Signal Transconductance
30
55
90
μ
Input Voltage Range
–0.3
5.0
V
Output Low
V
LAMP FB
= V
EA–/OVP
= 3V, R
L
=
∞
0.2
0.4
V
Output High
V
LAMP FB
= V
EA–/OVP
= 2V, R
L
=
∞
7.1
7.5
7.8
V
Source Current
V
LAMP FB
= V
EA–/OVP
= 0V,
V
EA OUT
= V
LFB OUT
= 7V,
T
J
= 25oC
–0.06
–0.15
–0.30
mA
Sink Current
V
LAMP FB
= V
EA–/OVP
= 5V,
V
EA OUT
= V
LFB OUT
= 0.3V,
T
J
= 25oC
0.06
0.12
0.28
mA
ABSOLUTE MAXIMUM RATINGS
Absolute maximum ratings are those values beyond which
the device could be permanently damaged. Absolute
maximum ratings are stress ratings only and functional
device operation is not implied.
Supply Current (I
CC
) ...............................................60mA
Output Current, Source or Sink (OUT A, OUT B, PFC
OUT)
DC ...................................................................250mA
Output Energy (capacitive load per cycle)............... 1.5mJ
Gain Modulator I
SINE
Input .....................................10mA
Analog Inputs ....................................... –0.3V to V
CC
–2V
IA+ Input Voltage..............................................–3V to 2V
Maximum Forced Voltage
(EA OUT, LFB OUT)................................–0.3V to 7.7V
Maximum Forced Current
(EA OUT, IA OUT, LFB OUT) ............................±20mA
Maximum Forced Voltage
(IA OUT).................................................–0.3V to 7.5V
Junction Temperature............................................. 150°C
Storage Temperature Range...................... –65°C to 150°C
Lead Temperature (Soldering 10 sec.)..................... 260°C
Thermal Resistance (
θ
JA
)
Plastic PDIP .....................................................70°C/W
Plastic SOIC...................................................100°C/W
OPERATING CONDITIONS
Temperature Range
ML4832C ..................................................0°C to 85°C