IR3843AMTR1PBF International Rectifier, IR3843AMTR1PBF Datasheet - Page 7

• 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

Electrical Specifications (continued)
Unless otherwise specified, these specification apply over 4.5V< V
Typical values are specified at T
Note3: Cold temperature performance is guaranteed via correlation using statistical quality control. Not tested in production.
Note4: Guaranteed by Design but not tested in production.
Parameter
Thermal Shutdown
Thermal Shutdown
Hysteresis
Power Good
Power Good upper
Threshold
Upper Threshold
Delay
Power Good lower
Threshold
Lower Threshold
Delay
Delay Comparator
Threshold
Delay Comparator
Hysteresis
PGood Voltage Low
Leakage Current
Switch Node
SW Bias Current
Rev 13.0
VPG(upper)_Dly
VPG(lower)_Dly
PG(voltage)
VPG(upper)
VPG(lower)
Delay(hys)
PG(Delay)
SYM
I
leakage
Isw
a
= 25
Note4
Note4
Fb Rising
Fb Rising
Fb Falling
Fb Falling
Relative to charge voltage, SS rising
Note4
I
SW=0V, Enable=0V
SW=0V,Enable=high,SS=3V,Vseq=0V
, Note4
PGood
o
C.
=-5mA
Test Condition
cc
<5.5V, V
0.560
Min
0.77
260
2
in
IR3843AMPbF
=12V, 0
256/Fs
256/Fs
TYP
0.805
0.595
140
20
300
2.1
0
o
C<T
MAX
0.840
0.630
340
2.3
0.5
j
10
< 125
6
PD-97509
o
C.
Units
μA
o
mV
μA
C
V
V
V
V
s
s
7