IR3865MTRPBF International Rectifier, IR3865MTRPBF Datasheet - Page 5

• Manufacturer Part Number: IR3865MTRPBF
• Description: IC BUCK SYNC ADJ 10A PQFN
• Manufacturer: International Rectifier
• Series: SupIRBuck™r
• Type: Step-Down (Buck), PWMr

Specifications of IR3865MTRPBF

• Internal Switch(s): Yes
• Synchronous Rectifier: Yes
• Number Of Outputs: 1
• Voltage - Output: 0.5 V ~ 12 V
• Current - Output: 10A
• Frequency - Switching: Up to 750kHz
• Voltage - Input: 3 V ~ 21 V
• Operating Temperature: -40°C ~ 125°C
• Mounting Type: *
• Package / Case: *
• Primary Input Voltage: 21V
• No. Of Outputs: 1
• Output Voltage: 12V
• Output Current: 10A
• No. Of Pins: 17
• Operating Temperature Range: -40°C To +125°C
• Msl: MSL 3 - 168 Hours
• Rohs Compliant: Yes
• Leaded Process Compatible: Yes
• Part Status: Preferred
• Package: PQFN / 4 x 5
• Circuit: Single Output
• Iout (a): 10
• Switch Freq (khz): 0 - 750
• Input Range (v): 3.0 - 21
• Output Range (v): 0.5 - 12
• Ocp Otp Uvlo Pre-bias Soft Start And: Constant On-Time + PGOOD + EN + Temp Comp OCP
• Digital Home Media: Yes
• Mobile Computing: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

* Note: PHASE pin must not exceed 25V.
Recommended Operating Conditions
Electrical Specifications
Unless otherwise specified, these specification apply over VIN = 12V, 4.5V<VCC<5.5V, 0
Reference Accuracy, V
On-Time Accuracy
Min Off Time
Soft-Start Current
DCM Comparator Offset
VCC Supply Current
(standby)
VCC Supply Current
(dynamic)
FF Shutdown Current
FCCM Start Threshold
FCCM Stop Threshold
VIN
VCC
V
I
Fs
T
2/16/2011 Rev2.3
OUT
J
OUT
CONTROL LOOP
SUPPLY CURRENT
FORCED CONTINUOUS CONDUCTION MODE (FCCM)
Symbol
PARAMETER
Input Voltage
Supply Voltage
Output Voltage
Output Current
Switching Frequency
Junction Temperature
REF
Definition
NOTE
V
R
EN = High
Measure at V
EN = Low, No Switching
EN = High, Fs = 300kHz
EN = Low
FB
FF
= 0.5V
= 180K, T
TEST CONDITION
PHASE
J
= 65
Min
N/A
4.5
0.5
-40
3
0
o
C
Max
750
125
21*
5.5
12
10
0.495
MIN
280
-4.5
8
2
IR3865MBF
TYP
300
500
-2.5
0.5
10
23
7
2
o
C ≤ T
0.505
MAX
320
0.6
12
Unit
0
kHz
o
V
A
J
C
≤ 125
UNIT
mV
mA
µA
µA
µA
ns
ns
V
V
V
5
o
C.