IP1837TRPBF International Rectifier, IP1837TRPBF Datasheet - Page 35

• Manufacturer Part Number: IP1837TRPBF
• Description: IC DC-DC REG SYNC BUCK LGA
• Manufacturer: International Rectifier
• Series: iPOWIR™r
• Type: Step-Down (Buck), PWM - Voltage Moder

Specifications of IP1837TRPBF

• Internal Switch(s): Yes
• Synchronous Rectifier: Yes
• Number Of Outputs: 1
• Voltage - Output: 0.6 V ~ 12 V
• Current - Output: 35A
• Frequency - Switching: 250kHz ~ 1.5MHz
• Voltage - Input: 1.5 V ~ 16 V
• Operating Temperature: -40°C ~ 125°C
• Mounting Type: *
• Package / Case: *
• Package: LGA - 7.7 x 7.7
• Circuit: Single Output
• Iout (a): 35
• Switch Freq (khz): 250 - 1500
• Input Range (v): 1.5 - 16
• Output Range (v): 0.6 - 0.75*Vin
• Internal Bias Ldo: Yes
• Ocp Otp Uvlo Pre-bias Soft Start And: Remote Sense + Body Tracking + Temp Comp OCP
• Pbf: PbF Option Available
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Figure 35c: IRDC1837 demoboard layout considerations –
Figure 35e: IRDC1837 demoboard layout considerations –
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March 3, 2011 | V1.24
AGND
Mid Layer 1
Mid Layer 3
PGND
PGND
Figure 35b: IRDC1837 demoboard layout considerations – Bottom Layer
SW
GND
LGND
Vin
GND
Highly Integrated 35A Single‐input Voltage,
Vin
AGnd
PGND
Vin
Synchronous Buck Regulator
SW
Figure 35d: IRDC1837 demoboard layout considerations –
Figure 35f: IRDC1837 demoboard layout considerations –
VOUT
PGnd GND
PGND
Vin
Vout
PGND
Mid Layer 2
Mid Layer 4
Remote sense traces, tapped
at a low impedance node,
such as across a capacitor,
shielded by PGND layer are
routed very close to each other
and away from SW node
All bypass caps
(Marked in Cyan)
should be placed
as close as possible to
their connecting pins
SW
SW
VOUT
iP1837
GND
GND
97600