IR3843AMTR1PBF International Rectifier, IR3843AMTR1PBF Datasheet - Page 2

• Manufacturer Part Number: IR3843AMTR1PBF
• Description: IC REG SYNC BUCK 3A 15-QFN
• Manufacturer: International Rectifier
• Series: SupIRBuck™r
• Type: Step-Down (Buck)r

Specifications of IR3843AMTR1PBF

• Internal Switch(s): Yes
• Synchronous Rectifier: Yes
• Number Of Outputs: 1
• Voltage - Output: 0.7 ~ 18.9 V
• Current - Output: 3A
• Frequency - Switching: 225kHz ~ 1.32MHz
• Voltage - Input: 1.5 ~ 21 V
• Operating Temperature: -40°C ~ 125°C
• Mounting Type: Surface Mount
• Package / Case: 15-PowerVQFN
• Power - Output: 682mW
• Part Status: Active
• Package: PQFN / 5 x 6
• Circuit: Single Output
• Iout (a): 3
• Switch Freq (khz): 250 - 1200
• Input Range (v): 1.5 - 21
• Output Range (v): 0.7 - 0.9*Vin
• Ocp Otp Uvlo Pre-bias Soft Start And: PGOOD + EN + SEQ
• Digital Home Media: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: IR3843AMTR1PBFTR

ORDERING INFORMATION
ABSOLUTE MAXIMUM RATINGS
(Voltages referenced to GND unless otherwise specified)
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Rev 13.0
PACKAGE INFORMATION
Note1:
Note2:
Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the
5mm x 6mm POWER QFN
Vin ……………………………………………………. -0.3V to 25V
Vcc ……………….….…………….……..……….…… -0.3V to 8V (Note2)
Boot
SW
Boot to SW
OCSet
Input / output Pins
PGND to GND ……………...………………………….. -0.3V to +0.3V
Storage Temperature Range ................................... -55°C To 150°C
Junction Temperature Range ................................... -40°C To 150°C (Note2)
ESD Classification …………………………… ……… JEDEC Class 1C
Moisture sensitivity level………………...………………JEDEC Level 3@260 °C
device. These are stress ratings only and functional operation of the device at these or any other
conditions beyond those indicated in the operational sections of the specifications are not implied.
Must not exceed 8V
Vcc must not exceed 7.5V for Junction Temperature between -10
…………………………………………..……… -0.3V to 25V(DC), -4V to 25V(AC, 100ns)
……………………………………..……….…. -0.3V to 33V
………………………………………….……. -0.3V to 30V, 30mA
DESIGNATOR
……..…………………………….…..….. -0.3V to Vcc+0.3V (Note1)
PACKAGE
M
M
……………………………….. ... -0.3V to Vcc+0.3V (Note1)
Enable
Boot
V
IN
Seq
IR3843AMTR1PbF
IR3843AMTRPbF
1
DESCRIPTION
12
PACKAGE
FB COMP Gnd Rt
2
13
14
3
Gnd
15
4
SW
11
5
6
SS OCSet
COUNT
PIN
15
15
10
8
9
7
PGnd
PGood
V
CC
o
IR3843AMPbF
C and -40
PARTS PER
REEL
4000
750
θ
θ
JA
J
-
PCB
o
=
C
35
=
PD-97509
2
o
C
o
C
/
/
W
W
2