IR3843AMTR1PBF International Rectifier, IR3843AMTR1PBF Datasheet - Page 8

• 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

TYPICAL OPERATING CHARACTERISTICS (-40
Rev 13.0
1.36
1.34
1.32
1.30
1.28
1.26
1.24
1.22
1.20
1.18
1.16
1.14
4.46
4.41
4.36
4.31
4.26
4.21
4.16
4.11
4.06
26.0
24.0
22.0
20.0
18.0
16.0
14.0
550
540
530
520
510
500
490
480
470
460
450
290
270
250
230
210
190
170
150
-40
-40
-40
-40
-40
-20
-20
-20
-20
-20
0
0
0
0
0
Enable(UVLO) Start
Vcc(UVLO) Start
20
20
20
20
20
FREQUENCY
Icc(Standby)
Temp[
Temp[
Temp[
Temp[
Temp[
ISS
40
40
40
40
40
o
o
o
o
o
C]
C]
C]
C]
C]
60
60
60
60
60
80
80
80
80
80
100
100
100
100
100
120
120
120
120
120
4.16
4.11
4.06
4.01
3.96
3.91
3.86
3.81
3.76
1.06
1.04
1.02
1.00
0.98
0.96
0.94
0.92
0.90
54.0
53.0
52.0
51.0
50.0
49.0
48.0
47.0
46.0
45.0
44.0
43.0
711
706
701
696
691
686
9.5
9.4
9.3
9.2
9.1
9.0
8.9
8.8
8.7
8.6
8.5
-40
-40
-40
-40
-40
-20
-20
-20
-20
-20
0
0
0
0
0
o
C - 125
Enable(UVLO) Stop
Vcc(UVLO) Stop
IOCSET(500kHz)
20
20
20
20
20
IR3843AMPbF
Icc(Dyn)
Temp[
Temp[
Temp[
Temp[
Temp[
Vfb
40
40
40
40
40
o
o
o
ο
o
o
C]
C]
C]
C]
C]
60
60
60
60
60
C) F
80
80
80
80
80
s
=500 kHz
PD-97509
100
100
100
100
100
120
120
120
120
120
8