IR2175PBF International Rectifier, IR2175PBF Datasheet - Page 4

• Manufacturer Part Number: IR2175PBF
• Description: IC CURRENT SENSE 0.5% 8DIP
• Manufacturer: International Rectifier

Specifications of IR2175PBF

• Function: Current Sense
• Accuracy: ±0.5%
• Voltage - Input: 9.5 ~ 20 V
• Current - Output: 20mA
• Operating Temperature: -40°C ~ 125°C
• Mounting Type: Through Hole
• Package / Case: 8-DIP (0.300", 7.62mm)
• Quiescent Current: 2mA
• Bandwidth: 15kHz
• Sensor Case Style: DIP
• No. Of Pins: 8
• Supply Voltage Range: 9.5V To 20V
• Operating Temperature Range: -40°C To +125°C
• Device Type: High Side
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Sensing Method: -
• Other names: *IR2175PBF

IR2175
4
Application Hint:
Temperature drift of the output carrier frequency can be cancelled by measuring both a PWM period and the on-time
of PWM (Duty) at the same time. Since both periods vary in the same direction, computing the ratio between these
values at each PWM period gives consistent measurement of the current feedback over the temperature drift.
Timing Waveforms
(S) & (PbF)
PO
PO
Figure 1 Output waveform
Carrier Frequency =
Duty=91%
130kHz
Duty=9%
Vin+= +260mV
Vin+= -260mV
Vs = 0V
Vs = 0V
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