IR3843WMTR1PBF International Rectifier, IR3843WMTR1PBF Datasheet - Page 6

• Manufacturer Part Number: IR3843WMTR1PBF
• Description: IC REG SYNC BUCK 2A 15-QFN
• Manufacturer: International Rectifier
• Series: SupIRBuck™r
• Type: Step-Down (Buck)r

Specifications of IR3843WMTR1PBF

• Internal Switch(s): Yes
• Synchronous Rectifier: Yes
• Number Of Outputs: 1
• Voltage - Output: 0.7 ~ 14.4 V
• Current - Output: 2A
• Frequency - Switching: 225kHz ~ 1.65MHz
• Voltage - Input: 1.5 ~ 16 V
• Operating Temperature: -40°C ~ 125°C
• Mounting Type: Surface Mount
• Package / Case: 15-PowerVQFN
• Power - Output: 394mW
• Primary Input Voltage: 16V
• No. Of Outputs: 1
• Output Voltage: 14.4V
• Output Current: 2A
• No. Of Pins: 15
• Operating Temperature Range: -40°C To +125°C
• Output Voltage Adjustable Max, Vout: 14.4V
• Rohs Compliant: Yes
• Part Status: Preferred
• Package: PQFN / 5 x 6
• Circuit: Single Output
• Iout (a): 2
• Switch Freq (khz): 250 - 1500
• Input Range (v): 1.5 - 16
• Output Range (v): 0.7 - 0.9*Vin
• Ocp Otp Uvlo Pre-bias Soft Start And: PGOOD + EN + SEQ + OVD
• Design Tool: Yes
• Server Storage: Yes
• Routers Switches: Yes
• Base Station Telecom: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: IR3843WMTR1PBFTR

Electrical Specifications (continued)
Unless otherwise specified, these specifications apply over 4.5V< V
Typical values are specified at T
Rt Voltage
Error Amplifier
Over Current Protection
OCSET Current
OC Comp Offset Voltage
SS off time
Bootstrap Diode
Forward Voltage
Deadband
Deadband time
Frequency
Oscillator
Ramp Amplitude
Ramp Offset
Min Pulse Width
Fixed Off Time
Max Duty Cycle
Input Offset Voltage
Input Bias Current
Input Bias Current
Sink Current
Source Current
Slew Rate
Gain-Bandwidth Product
DC Gain
Maximum Voltage
Minimum Voltage
Common Mode Voltage
Soft Start/SD
Soft Start Current
Soft Start Clamp Voltage
Shutdown Output Threshold
Rev 10.0
Parameter
Isource(E/A)
Ramp (os)
Vss(clamp)
SS_Hiccup
Symbol
Dmin(ctrl)
Vmax(E/A)
Isink(E/A)
Vmin(E/A)
IFb(E/A)
IVp(E/A)
V
Vramp
Dmax
GBWP
I
OCSET
OFFSET
Vos
Gain
ISS
SR
SD
F
S
a
= 25
Rt=59K
Rt=28.7K
Rt=9.31K, Note4
Note4
Note4
Note4
Note4
Fs=250kHz
o
Vfb-Vseq,
Vseq=0.8V
Note4
Note4
Note4
Vcc=4.5V
Note4
Source
Fs=250kHz
Fs=500kHz
Fs=1500kHz
Note4
I(Boot)=30mA
Note4
C.
Test Condition
0.665
1350
cc
Min
0.40
20.8
225
450
-10
136
-10
180
2.7
92
100
14
43
-1
-1
3.4
8
7
20
5
0
<5.5V, V
TYP
1500
4096
23.6
48.8
0.85
154
260
250
500
100
130
3.0
0.7
1.8
0.6
10
12
110
120
20
10
3.5
30
0
0
IR3843WMPbF
in
=12V, 0
MAX
0.735
1650
26.4
54.6
275
550
200
+10
172
+10
470
3.75
3.3
0.3
1.2
120
220
26
30
+1
+1
13
20
40
1
o
C<T
j
< 125
PD-97507
Units
Cycles
Vp-p
V/μs
kHz
MHz
mV
mA
mV
mV
ns
μA
mV
μA
μA
ns
%
V
V
dB
V
V
V
o
C.
6