ML4836 查看數據表（PDF） - Micro Linear Corporation
零件编号
产品描述 (功能)
生产厂家
ML4836 Datasheet PDF : 15 Pages
| |||
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 (ICC) ............................................................ 50mA
Output Current, Source or Sink
(OUT A, OUT B) DC ............................................ 250mA
PIFB Input Voltage ............................................ –3V to 2V
Maximum Forced Voltage
(PEAO, LEAO) ............................................ –0.3V to 7.7V
Maximum Forced Current
(LEAO) ................................................................. ±20mA
ML4836
Junction Temperature .............................................. 150ºC
Storage Temperature Range...................... –65ºC to 150ºC
Lead Temperature (Soldering, 10 sec) ...................... 260ºC
Thermal Resistance (qJA)
ML4836CP ............................................................... C/W
ML4836CS ............................................................... C/W
OPERATING CONDITIONS
Temperature Range ........................................ 0°C to 85°C
ELECTRICAL CHARACTERISTICS
Unless otherwise specified, VCC = VCCZ –0.5V, RSET = 11.8kW, RT = 14.7kW, RT2 = 53.6kW, CT = 1.5nF,
TA = Operating Temperature Range (Note 1)
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
LAMP CURRENT AMPLIFIER (LAMP FB, LEAO)
Input Bias Current
-0.3
Small Signal Transconductance
35
75
Input Bias Voltage
-0.3
Output Low
Output High
Source Current
LAMP FB = 3V, RL = ¥
LAMP FB = 2V, RL = ¥
LAMP FB = 0V, LEAO = 6V
0.2
7.1
7.5
-80
-220
Sink Current
LAMP FB = 5V, LEAO = 0.3V
80
220
OSCILLATOR
Initial Accuracy (FMIN)
Total Variation (FMIN)
Initial Accuracy (START)
Total Variation (START)
TA = 25ºC
Line, Temperature
TA = 25ºC
Line, Temperature
39.2
40
39.2
49
50
49
Ramp Valley to Peak
2.6
Initial Accuracy (Preheat)
TA = 25ºC
60.8
64
Total Variation (Preheat)
Line, Temperature
60.8
64
CT Discharge Current
Output Drive Deadtime
REFERENCE BUFFER
VRTCT = 2.5V
CT = 1.5nF
6.0
7.5
0.7
Output Voltage
Line Regulation
Load Regulation
Temperature Stability
TA = 25ºC, IO = 0mA
VCCZ – 4V < VCC < VCCZ – 0.5V
1mA < IO < 10mA
7.4
7.5
10
2
0.4
Total Variation
Line, Load, Temperature
7.35
Long Term Stabilty
Tj = 125ºC, 1000 hrs
5
MAX UNITS
-1.0
µA
105
µ
5.0
V
0.4
V
V
µA
µA
40.8 kHz
40.8 kHz
51
kHz
51
kHz
V
67.2 kHz
67.2 kHz
9.0
mA
us
7.6
V
25
mV
15
mV
%
7.65
V
mV
3
Share Link: 