IR3856MTRPBF International Rectifier, IR3856MTRPBF Datasheet - Page 2

• Manufacturer Part Number: IR3856MTRPBF
• Description: IC BUCK SYNC ADJ 6A 17PQFN
• Manufacturer: International Rectifier
• Series: SupIRBuck™r
• Type: Step-Down (Buck)r

Specifications of IR3856MTRPBF

• Internal Switch(s): Yes
• Synchronous Rectifier: Yes
• Number Of Outputs: 1
• Voltage - Output: 0.7 ~ 18.9 V
• Current - Output: 6A
• Frequency - Switching: 250kHz ~ 1.5MHz
• Voltage - Input: 1.5 ~ 21 V
• Operating Temperature: -40°C ~ 125°C
• Mounting Type: Surface Mount
• Package / Case: 17-PowerVQFN
• Power - Output: 1.11W
• Primary Input Voltage: 21V
• No. Of Outputs: 1
• Output Voltage: 18.9V
• Output Current: 6A
• No. Of Pins: 17
• Operating Temperature Range: -40°C To +125°C
• Peak Reflow Compatible (260 C): Yes
• Rohs Compliant: Yes
• Leaded Process Compatible: Yes
• Part Status: Preferred
• Package: PQFN / 4 x 5
• Circuit: Single Output
• Iout (a): 6
• Switch Freq (khz): 250 - 1500
• 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 + OVP + SYNC
• Design Tool: Yes
• Server Storage: Yes
• Routers Switches: Yes
• Base Station Telecom: Yes
• Digital Home Media: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

ORDERING INFORMATION
ABSOLUTE MAXIMUM RATINGS
(Voltages referenced to GND unless otherwise specified)
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Rev2.0
PACKAGE INFORMATION
Note1:
Note2:
Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the
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.
4mm x 5mm POWER QFN
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 (Max 30mA)
DESIGNATOR
……..…………………………….…..….. -0.3V to Vcc+0.3V (Note1)
PACKAGE
Enable
……………………………….. ... -0.3V to Vcc+0.3V (Note1)
M
M
Boot
Seq
Fb Vsns COMP Gnd Rt
15
16
1
14
V
13
IN
2
IR3856MTR1PbF
IR3856MTRPbF
DESCRIPTION
3
PACKAGE
Gnd
17
4
SW
12
5
SS OCSet
6
10
8
11
9
7
PIN COUNT
PGnd
Vcc
PGood
Sync
15
15
θ
θ
θ
*
are connected to copper
pads of a 4-layer (2 oz.) PCB
Exposed pads on underside
JA
JA
J
o
-
C and -40
PCB
(
(
Sync
Ctrl
IR3856MPbF
_
_
FET
=
FET
2
)
PARTS PER
)
o
=
=
C
o
REEL
C
45
4000
45
750
/
W
o
PD-97528
o
C
C
/
/
W
W
*
*
2