IP2021CPBF International Rectifier, IP2021CPBF Datasheet
IP2021CPBF
Specifications of IP2021CPBF
Related parts for IP2021CPBF
IP2021CPBF Summary of contents
Page 1
... Standard applications requiring high power densities. Quantity iPOWIR 10 optimized internally for layout, heat transfer 2000 and component selection. 8/13/2009 PD-97414 iP2021CPbF Synchronous Buck technology offers designers technology solutions are an also 1 ...
Page 2
... BLK DD IN1 Min Typ Max Units 11 (Note 8/13/2009 PD-97414 iP2021CPbF Conditions V A Current per channel 14V unless otherwise IN2 Conditions 12V, DD IN1 IN2 V = 1.3V 60A (outputs OUT OUT combined 1MHz 325nH 25ºC BLK 12V, ...
Page 3
... Min Typ Max Units - µF 4.15 4.5 V 3.6 3.95 V 200 0 100 - mV - 100k - Ω 0 100 - mV - 100k - Ω 8/13/2009 PD-97414 iP2021CPbF Conditions – 14.5V DD -40ºC to 125ºC -40ºC to 125ºC -40ºC to 125ºC See Figure 8 for timing diagram 3 ...
Page 4
... BLK SOA Curve 12V 1. 1MHz 325nH www.irf.com Output Current (A) Figure 1 Power Loss Curve Case Temperature (º Safe Operating Area PCB Temperature (ºC) Figure 2 Safe Operating Area Curve 8/13/2009 PD-97414 iP2021CPbF 100 110 120 130 Tx 90 100 110 120 130 4 ...
Page 5
... BLK 0.25 0.95 0.00 -0.25 0.90 -0.50 0.85 -0.75 -1.00 0.80 0.6 0 200 Figure 6 Normalized Power Loss vs. Switching Frequency 8/13/2009 PD-97414 iP2021CPbF V = 12. 60A OUT F = 1MHz 325nH 125ºC BLK 1.0 1.3 1.5 1.8 2.5 1 1.5 2 2.5 3 3.5 4 4.5 5 5.5 6 6.5 7 ...
Page 6
... Power Loss Measurement Setup www.irf.com Figure 7 Power Loss Test Circuit 90% 10% t PDH Figure 8 Timing Diagram 8/13/2009 PD-97414 iP2021CPbF 10% 90% t PDL 6 ...
Page 7
... Draw a horizontal line from the intersection of the vertical line with the SOA curve to the Y-axis (Output Current). The point at which the horizontal line meets the Y-axis is the SOA continuous current. Figure 9 SOA Example, Continuous current 31A for T www.irf.com axis intercept to the SOA curve 100ºC & T PCB 8/13/2009 PD-97414 iP2021CPbF = 110ºC CASE 7 ...
Page 8
... Normalized power loss for input voltage 0.96 (Figure 5) Normalized power loss for output inductor 1.035 (Figure 6) Normalized power loss for switch frequency 0.93 Calculated Typical Power Loss 12W x 0.96 x 1.0 x 1.035 x 0.93 11.1W www.irf.com iP2021CPbF axis intercept in Figure 2 X Output Voltage = 1.3V 8/13/2009 ...
Page 9
... SOA current is Case Temperature (º (5) ( PCB Temperature (ºC) axis intercept to the SOA curve. X axis by adding or subtracting the SOA adjustment X intercept point. X 8/13/2009 PD-97414 iP2021CPbF 90 100 110 120 130 (2) (4) Tx (1) 90 100 110 120 130 9 ...
Page 10
... FET is on and sync FET is off. When PWM is LOW, the sync FET is on and the control FET is off. When set to logic level high, internal circuitry of the device is enabled. When set to logic level low, the control and synchronous FETs are turned off. Supply voltage for internal circuitry 8/13/2009 PD-97414 iP2021CPbF 10 ...
Page 11
... Placement of the ceramic input capacitors is critical to optimize switching performance. Place • all six ceramic capacitors (C1-C6) right underneath the iP2021C footprint (see Figure 12 Bottom Component Layer). Dedicate at least two layer for PGND only • Duplicate the Power Nodes on multiple layers (refer to AN1029). • www.irf.com iP2021CPbF , IN1 IN2 SW1 8/13/2009 PD-97414 ...
Page 12
... Figure 12 Top & Bottom Component and Via Placement (Topside, Transparent view down) www.irf.com iP2021CPbF 8/13/2009 PD-97414 12 ...
Page 13
... LAND PAD OPENINGS. 8 VSW 2 5 PRIMARY DATUM C (SEATING PLANE) IS DEFINED BY THE SOLDER RESIST OPENING. 6 BILATERAL TOLERANCE ZONE IS APPLIED TO EACH SIDE OF THE 9 10 VIN 2 PACKAGE BODY. 7 NOT TO SCALE. Figure 13 Mechanical Outline Drawing 8/13/2009 PD-97414 iP2021CPbF 5 C 1.66 [.065] 0.07 [.0027] C SIDE VIEW 13 ...
Page 14
... Figure 14 Tape and Reel Information 8/13/2009 PD-97414 iP2021CPbF 14 ...
Page 15
... Recommended Solder Paste Stencil Design The recommended reflow peak temperature is 260°C. The total furnace time is approximately 5 minutes with approximately 10 seconds at peak temperature. www.irf.com Figure 15 Solder Paste Stencil Design 8/13/2009 PD-97414 iP2021CPbF 15 ...
Page 16
... Part Marking www.irf.com Figure 16 Part Marking 8/13/2009 PD-97414 iP2021CPbF 16 ...