LM3822MM-1.0/NOPB National Semiconductor, LM3822MM-1.0/NOPB Datasheet - Page 7

• Manufacturer Part Number: LM3822MM-1.0/NOPB
• Description: IC CURRENT GAUGE PREC 8-MSOP
• Manufacturer: National Semiconductor
• Type: Battery Chargerr

Specifications of LM3822MM-1.0/NOPB

• Function: Current Gauge
• Sensing Method: High-Side
• Accuracy: ±2%
• Voltage - Input: 2 ~ 5.5 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 8-TSSOP, 8-MSOP (0.118", 3.00mm Width)
• Operating Supply Voltage (min): 2V
• Operating Supply Voltage (max): 5.25V
• Operating Temp Range: -40C to 85C
• Package Type: MSOP
• Mounting: Surface Mount
• Pin Count: 8
• Operating Temperature Classification: Industrial
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Current - Output: -
• Lead Free Status / Rohs Status: Compliant
• Other names: LM3822MM-1.0; LM3822MM-1.0TR

Typical Application Circuits
is used for bypassing, and the 0.1 µF ceramic capacitor between pins 3 and 4 is used for filtering. Shutdown (SD) is tied to
V
DD
through a 10 kΩ resistor.
where D
Please refer to the Product Operation section for more information.
FIGURE 2. Paralleling LM3822 for Higher Load Current
1
is the duty cycle of PWM1 and D
I
TOTAL
In the application circuits, the 0.1 µF ceramic capacitor between pins 1 and 2
= 2.2(D
FIGURE 1. High Side Sense
1
−0.5)I
MAX
7
+ 2.2(D
2
is the duty cycle of PWM2.
2
−0.5)I
MAX
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