IR3553MTRPBF International Rectifier, IR3553MTRPBF Datasheet - Page 11
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IR3553MTRPBF
Manufacturer Part Number
IR3553MTRPBF
Description
The IR3553 integrated PowIRstage is a synchronous buck gate driver IC with co‐packed control and synchronous MOSFETs and Schottky diode.
Manufacturer
International Rectifier
Datasheet
1.IR3553MTRPBF.pdf
(22 pages)
Specifications of IR3553MTRPBF
Package
PQFN / 4 x 6
Iout (a)
40
Switch Freq (khz)
up to 1.0MHz
Input Range (v)
4.5 - 15
Output Range (v)
0.25 - (VCC -2.5)
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
IR3553MTRPBF
Manufacturer:
IR
Quantity:
4 300
Part Number:
IR3553MTRPBF
Manufacturer:
INFINEON/英飞凌
Quantity:
20 000
TYPICAL OPERATING CHARACTERISTICS (CONTINUED)
Circuit of Figure 32, V
8-layer PCB board of 3.7” (L) x 2.6” (W), no PWM controller loss, no inductor loss, unless specified otherwise.
Figure 20: PWM Tri-state Delays, I
Figure 21: PWM Tri-state Delays, I
11
Figure 19: Body-Braking® Delays
March 12, 2012 | FINAL DATASHEET
IN
=12V, V
40ns/div
100ns/div
100ns/div
OUT
=1.2V, ƒ
SW
OUT
OUT
= 400kHz, L=150nH (0.29mΩ), VCC=7V, T
= 10A
= 10A
BBRK#
5V/div
PWM
5V/div
GATEL
5V/div
40A Integrated PowIRstage®
PWM
2V/div
SW
5V/div
PWM
2V/div
SW
5V/div
Figure 24: Diode Emulation Setup through BBRK# Capacitor
Figure 22: Diode Emulation Mode, I
Figure 23: Body-Braking® Mode, I
AMBIENT
400ns/div
400ns/div
2ms/div
= 25°C, no heat sink, no air flow,
IR3553
OUT
OUT
= 3A
= 3A
PWM
2V/div
SW
5V/div
GATEL
10V/div
PWM
2V/div
SW
5V/div
GAETL
10V/div
VCC
2V/div
BBRK#
1V/div
SW
10V/div