ML4423 查看數據表（PDF） - Micro Linear Corporation
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ML4423 Datasheet PDF : 10 Pages
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ML4423
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.
VDD .............................................................................................. 15V
Output Drive Current ........................................... ±50mA
Logic Inputs (F/R, COAST) .............................. –0.3 to 7V
Junction Temperature .............................................. 150ºC
Storage Temperature Range ...................... –65ºC to 150ºC
Lead Temperature (Soldering 10 sec) ...................... 260ºC
Thermal Resistance (qJA)
Plastic DIP ....................................................... 52ºC/W
Plastic SOIC .................................................... 75ºC/W
OPERATING CONDITIONS
Temperature Range
C Suffix ...................................................... 0ºC to 70ºC
I Suffix .................................................... –40ºC to 85ºC
VDD ........................................................... 9.6V to 14.4V
ELECTRICAL CHARACTERISTICS
Unless otherwise specified, VDD = 12V ± 20%, RSPEED = 160kW, RSENSE = 250mW, RREF = 200kW,
C0 = 0.47mF, CPWM = 220pF, RDT = 166kW, TA = Operating Temperature Range (Note 1).
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
REFERENCE
VREF Output Voltage
7.6
7.8
Line Regulation
Total Variation
Line, Temperature
DIGITAL INPUTS
VIL Input Low Voltage
VIH Input High Voltage
2
OUTPUT DRIVERS
VOL Output Low Voltage
VOH Output High Voltage
SINE WAVE GENERATOR
IOL = 20mA, 5V/12V SELECT = VDD
IOL = 2mA, 5V/12V SELECT = open
IOL = –20mA, 5V/12V SELECT = VDD
IOL = –2mA, 5V/12V SELECT = open
1
0.1
VDD – 1
5
VPP Peak Voltage
VSPEED = 4.4V
3.4
Frequency
VSPEED = 4.4V
60
Distortion
5
PWM GENERATOR
Ramp Frequency
25
CURRENT LIMIT
Threshold Voltage
0.4
0.5
UNDERVOLTAGE LOCKOUT
Threshold Voltage
7.8
8.4
Hysteresis
0.5
SUPPLY
ICC VCC Operating Current
10
14
MAX
8.2
0.8
0.6
9.2
20
UNITS
V
V
V
V
V
V
V
V
Hz
%
kHz
V
V
V
mA
Note 1: Limits are guaranteed by 100% testing, sampling, or correlation with worst-case test conditions.
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