ML4425CS Fairchild Semiconductor, ML4425CS Datasheet - Page 7

• Manufacturer Part Number: ML4425CS
• Description: IC BLDC MOTOR CONTROLLER 28-SOIC
• Manufacturer: Fairchild Semiconductor

Specifications of ML4425CS

• Applications: DC Motor Controller, Brushless (BLDC)
• Number Of Outputs: 1
• Current - Output: 50mA
• Voltage - Supply: 10.8 V ~ 13.2 V
• Operating Temperature: 0°C ~ 70°C
• Mounting Type: Surface Mount
• Package / Case: 28-SOIC (7.5mm Width)
• Operating Current: 50mA
• Operating Temperature Classification: Commercial
• Motor Controller Type: DC Motor Driver
• Package Type: SOIC W
• Operating Supply Voltage (min): 10.8V
• Operating Supply Voltage (max): 13.2V
• Mounting Style: SMD/SMT
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Voltage - Load: -
• Lead Free Status / Rohs Status: Compliant

PRODUCT SPECIFICATION
Current Limiting in the Power Stage
I
R
I
REV. 1.0.2 7/2/01
LIMIT
SENSE
R SENSE
FROM
SENSE
Filter
V REF
Figure 2. Current Sense Circuitry
I SENSE
I LIMIT
16k
V REF
5
8k
2.9V
0V
–
+
C IOS
STOP
START
S
R
Q
Q
ON/OFF
30 A
PWM
C
Commutation Control
IOS
460mV
0V
Figure 3. Current Sense Resistor Waveforms
(a) Without Filtering, and (b) With Filtering
(a)
C
OS
t
OFF
2.4V
50 A
(b)
ML4425
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