IR3856MTRPBF International Rectifier, IR3856MTRPBF Datasheet - Page 5

• 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

* Note: SW node should not exceed 25V
Electrical Specifications
Unless otherwise specified, these specification apply over 4.5V< V
Typical values are specified at T
Recommended Operating Conditions
V
V
Boot to SW
V
I
Fs
T
Power Losses
Top Switch
Bottom Switch
Deadband Time
Bootstrap Diode Forward
Voltage
SW leakage Current
V
V
Feedback Voltage
Accuracy
Soft Start Current
Soft Start Clamp Voltage
Shutdown Output Threshold
o
Rev2.0
j
CC
CC
in
cc
o
Symbol
Supply Current (Dyn)
Supply Current (Standby)
REFERENCE VOLTAGE
SOFT START / SD
SUPPLY CURRENT
POWER STAGE
PARAMETER
Input Voltage
Supply Voltage
Supply Voltage
Output Voltage
Output Current
Switching Frequency
Junction Temperature
Definition
Vss(clamp)
a
SYMBOL
R
I
R
CC(Standby)
= 25
I
ds(on)_Top
ds(on)_Bot
CC(Dy n)
VFB
P
ISS
Isw
T
SD
loss
db
o
C.
Vcc=5V, V
I
Note4
V
V
Note4
I(Boot)= 30mA
SW=0V, Enable=0V
SW=0V, Enable=high, SS=3V,
Vseq=0V, Note4
SS=0V, Vcc=5V, Enable low ,
No Switching
SS=3V, Vcc=5V, Enable high,
Fs=500kHz
0
-40
Source
o
B oot
cc
o
=6A, Fs=600kHz, L=1.0uH,
C<Tj<125
=5V, I
o
C<Tj<125
-V
TEST CONDITION
sw
D
=5V, I
=6A, T
in
Min
225
-40
=12V, V
1.5
4.5
4.5
0.7
o
C
0
o
D
C, Note3
=6A, Tj=25
j
=25
o
C
o
=1.8V,
cc
o
<5.5V, V
C
0.9*Vin
1650
Max
125
21*
5.5
5.5
MIN
-1.0
-2.0
180
in
2.7
6
14
5
=12V, 0
IR3856MPbF
TYP
1.11
13.4
9.25
260
0.7
3.0
20
22
10
o
C<T
j
< 125
500
PD-97528
MAX
+1.0
470
3.3
0.3
Units
29
19
30
26
-2.0
6
kHz
o
V
A
C
o
C.
UNIT
mΩ
mV
mA
uA
uA
W
ns
uA
V
%
V
5