IR3473MTRPBF International Rectifier, IR3473MTRPBF Datasheet - Page 8

• Manufacturer Part Number: IR3473MTRPBF
• Description: IC BUCK SYNC ADJ 6A PQFN
• Manufacturer: International Rectifier
• Series: SupIRBuck™r
• Type: Step-Down (Buck), PWM - Current Moder

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