IR3473MTRPBF International Rectifier, IR3473MTRPBF Datasheet - Page 8
IR3473MTRPBF
Manufacturer Part Number
IR3473MTRPBF
Description
IC BUCK SYNC ADJ 6A PQFN
Manufacturer
International Rectifier
Series
SupIRBuck™r
Type
Step-Down (Buck), PWM - Current Moder
Datasheet
1.IR3473MTRPBF.pdf
(21 pages)
Specifications of IR3473MTRPBF
Internal Switch(s)
Yes
Synchronous Rectifier
Yes
Number Of Outputs
1
Voltage - Output
0.5 V ~ 12 V
Current - Output
6A
Frequency - Switching
Up to 750kHz
Voltage - Input
3 V ~ 27 V
Operating Temperature
-40°C ~ 125°C
Mounting Type
*
Package / Case
*
Primary Input Voltage
27V
No. Of Outputs
1
Output Voltage
12V
Output Current
6A
No. Of Pins
17
Operating Temperature Range
-40°C To +125°C
Peak Reflow Compatible (260 C)
Yes
Rohs Compliant
Yes
Leaded Process Compatible
Yes
Part Status
Preferred
Package
PQFN / 4 x 5
Circuit
Single Output
Iout (a)
6
Switch Freq (khz)
0 - 750
Input Range (v)
3.0 - 27
Output Range (v)
0.5 - 12
Ocp Otp Uvlo Pre-bias Soft Start And
Constant On-Time + PGOOD + EN + Temp Comp OCP
Digital Home Media
Yes
Mobile Computing
Yes
Industrial 24v Input
Yes
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Note:
1. Guaranteed by design but not tested in production
Fault Protection
ISET Pin Output Current
ISET Pin Output Current
Temperature Coefficient
Under Voltage Threshold
Under Voltage Hysteresis
Over Voltage Threshold
Over Voltage Hysteresis
VCC Turn‐on Threshold
VCC Turn‐off Threshold
VCC Threshold Hysteresis
EN Rising Threshold
EN Hysteresis
EN Input Current
PGOOD Pull Down Resistance
PGOOD Delay Threshold
Thermal Shutdown Threshold
Thermal Shutdown Threshold
Hysteresis
8
PARAMETER
February 16, 2011 | ADVANCED DATASHEET | V1.9 | PD97601
SYMBOL
V
SS
6A Highly Integrated SupIRBuck
On the basis of 25°C
On the basis of 25°C, Note 1
Falling V
PGOOD
Rising V
Rising V
Falling V
‐40°C to 125°C
‐40°C to 125°C
EN = 3.3V
Note 1
Note 1
FB
FB
CONDITIONS
FB
FB
, Note 1
& Monitor PGOOD
& Monitor
, Note 1
0.586
MIN
0.37
125
3.9
3.6
1.1
17
TM
0.625
4400
1.25
TYP
300
400
140
0.4
7.5
7.5
4.2
3.9
19
25
20
1
IR3473
0.655
MAX
0.43
1.45
4.5
4.2
21
15
50
ppm/
UNIT
mV
mV
mV
mV
µA
µA
°C
°C
°C
Ω
V
V
V
V
V
V