ML4411 Ver la hoja de datos (PDF) - Micro Linear Corporation
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ML4411 Datasheet PDF : 14 Pages
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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 Voltage (pins 4, 25) ........................................ 14V
Output Current (pins 2, 3, 5, 9,10,11) ................. ±150mA
Logic Inputs (pins 16, 17, 18, 25) .................... –0.3 to 7V
Junction Temperature ............................................ 150°C
Storage Temperature Range ..................... –65°C to 150°C
Lead Temperature (Soldering 10 sec.) .................... 150°C
Thermal Resistance (qJA) ...................................... 60°C/W
ML4411/ML4411A
OPERATING CONDITIONS
Temperature Range ........................................ 0°C to 70°C
VCC Voltage +12V (pin 25) ........................... 12V ± 10%
+5V (pin 19) ................................................ 5V ± 10%
I(RAMP) current (Pin 21) ................................. 0 to 100µA
I Control Voltage Range (pins 27, 28) ................ 0V to 7V
ELECTRICAL CHARACTERISTICS
Unless otherwise specified, TA = Operating Temperature Range, VCC = VCC2 = 12V, RSENSE = 1ý, COTA = CVCO = 0.01µF,
COS = 0.02µF
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
Oscillator (VCO) Section (VPIN16 = 5V)
Frequency vs. VPIN 20
Frequency
Reset Voltage at CVCO
Sampling Amplifier (Note 1)
1V - VPIN20 - 10V
VVCO = 6V
VVCO = 0.5V
Mode = 0
1450
70
300
1800
140
125
2150
210
250
Hz/V
Hz
Hz
mV
VRC
IRC
VPIN21
Motor Current Control Section
State R
VPIN18 = 0V, RRAMP = 39ký
VPIN18 = 5V, State A, VPH2 = 4V
VPIN18 = 5V, State A, VPH2 = 6V
VPIN18 = 5V, State A, VPH2 = 8V
RPIN21 = 39ký to +5V
125
250
mV
70
100
130
µA
30
50
90
µA
–13
2
13
µA
–30
–50
–90
µA
1.0
1.1
1.20
V
ISENSE Gain
One Shot Off Time
VPIN27 = 5V, 0V - VPIN28 - 2.5V
4.5
5
5.5
V/V
12
25
33
µs
ICMD Transconductance Gain
ICMD, ILIM Bias Current
Power Fail Detection Circuit
VIN = 0
0.19
mmho
0
–100
–400
nA
12V Threshold
9.1
9.8
10.5
V
Hysteresis
150
mV
5V Threshold
3.8
4.25
4.5
V
Hysteresis
70
mV
Logic Inputs
Voltage High (VIH)
Voltage Low (VIL)
Current High (IIH)
Current Low (IIL)
VIN = 2.7V
VIN = 0.4V
2
V
0.8
V
–10
1
10
µA
–500
–350
–200
µA
3
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