IR3856MTRPBF International Rectifier, IR3856MTRPBF Datasheet - Page 6

• 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

Electrical Specifications (continued)
Unless otherwise specified, these specifications apply over 4.5V< V
Typical values are specified at T
Frequency Range
Ramp Amplitude
Ramp Offset
Min Pulse Width
Rt Voltage
Input Offset Voltage
Input Bias Current
Input Bias Current
Sink Current
Source Current
Slew Rate
Gain-Bandwidth Product
DC Gain
Maximum Voltage
Minimum Voltage
Seq Common Mode Voltage
Max Duty Cycle
Fixed Off Time
Sync Frequency Range
Sync Pulse Duration
Sync Level Threshold
Rev2.0
ERROR AMPLIFIER
OSCILLATOR
PARAMETER
a
Isource(E/A)
= 25
IVseq(E/A)
Ramp(os)
SYMBOL
Isink(E/A)
Vmax(E/A)
Dmin(ctrl)
Vmin(E/A)
IFb(E/A)
Vramp
GBWP
Dmax
Fsync
Tsync
High
Toff
Low
Vos
Gain
SR
Vrt
F
o
C.
S
Vfb-Vseq, Vseq=0.8V
Note4
Note4
Note4
Vcc=4.5V
Note4
Rt=59K
Rt=28.7K
Rt=9.31K, Note4
Note4
Note4
Note4
Fs=250kHz
Note4
TEST CONDITION
cc
<5.5V, V
in
0.665
0.40
MIN
1350
-10
225
450
225
100
100
=12V, 0
-1
-1
3.4
20
92
8
7
0
2
IR3856MPbF
1500
TYP
0.85
o
250
500
130
200
110
120
0.7
1.8
0.6
10
12
3.5
50
30
C<T
j
PD-97528
< 125
0.735
MAX
1650
1650
+10
275
550
200
1.2
3.75
0.6
+1
+1
13
20
120
220
40
1
o
C.
UNIT
V/μs
Vp-p
6
mV
mA
MHz
kHz
kHz
μA
mV
ns
ns
ns
dB
%
V
V
V
V
V