IR3871MTR1PBF International Rectifier, IR3871MTR1PBF Datasheet - Page 6

• Manufacturer Part Number: IR3871MTR1PBF
• Description: IC REG SYNC BUCK 8A 17-QFN
• Manufacturer: International Rectifier
• Series: SupIRBuck™r
• Type: Step-Down (Buck)r

Specifications of IR3871MTR1PBF

• Internal Switch(s): Yes
• Synchronous Rectifier: Yes
• Number Of Outputs: 1
• Voltage - Output: 0.5 ~ 5 V
• Current - Output: 8A
• Frequency - Switching: Adj to 1MHz
• Voltage - Input: 3 ~ 26 V
• Operating Temperature: 0°C ~ 125°C
• Mounting Type: Surface Mount
• Package / Case: 17-PowerVQFN
• Part Status: Active
• Package: PQFN / 5 x 6
• Circuit: Single Output
• Iout (a): 8
• Switch Freq (khz): 0 - 1000
• Input Range (v): 3.0 - 26
• Output Range (v): 0.5 - 12
• Ocp Otp Uvlo Pre-bias Soft Start And: Constant On-Time + OVP no OTP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Power - Output: -
• Other names: IR3871MTR1PBFTR

Electrical Specifications (continued)
Unless otherwise specified, these specification apply over VIN = 12V, VCC = 5V, 0
Note1: Guaranteed by design, not tested in production.
Dead Time
Forward Voltage
Static Drain-to-Source On-
Resistance
Static Drain-to-Source On-
Resistance
EN High Logic Level
EN Low Logic Level
EN Input Current
PGOOD Pull Down
Resistance
GATE DRIVE
BOOTSTRAP PFET
UPPER MOSFET
LOWER MOSFET
LOGIC INPUT AND OUTPUT
PARAMETER
NOTE
1
Monitor body diode conduction
on PHASE pin
I(BOOT) = 10mA
VCC = 5V, I
VCC = 5V, I
EN = 3.3V
TEST CONDITION
D
D
= 7A, T
= 9A, T
J
J
= 25
= 25
o
o
C
C
14.5
MIN
100
5
8
2
-
IR3871MPBF
o
C ≤ T
TYP
20.8
200
10
11
25
-
-
J
≤ 125
MAX
25.5
12.5
300
0.6
30
50
-
o
C.
UNIT
mV
mΩ
mΩ
µA
ns
Ω
V
V
6