IR3473MTRPBF International Rectifier, IR3473MTRPBF Datasheet - Page 4

• Manufacturer Part Number: IR3473MTRPBF
• Description: IC BUCK SYNC ADJ 6A PQFN
• Manufacturer: International Rectifier
• Series: SupIRBuck™r
• Type: Step-Down (Buck), PWM - Current Moder

Specifications of IR3473MTRPBF

• Internal Switch(s): Yes
• Synchronous Rectifier: Yes
• Number Of Outputs: 1
• Voltage - Output: 0.5 V ~ 12 V
• Current - Output: 6A
• Frequency - Switching: Up to 750kHz
• Voltage - Input: 3 V ~ 27 V
• Operating Temperature: -40°C ~ 125°C
• Mounting Type: *
• Package / Case: *
• Primary Input Voltage: 27V
• No. Of Outputs: 1
• Output Voltage: 12V
• 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): 0 - 750
• Input Range (v): 3.0 - 27
• 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
• Industrial 24v Input: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

TYPICAL APPLICATION
DEMOBOARD BILL OF MATERIALS
SW1
EN / FCCM
TP4
EN
QTY
VCC
3
1
2
1
1
1
1
1
1
3
1
1
1
1
1
1
1
R2
10K
TP11
PGOOD
+3.3V
REFERENCE DESIGNATOR
4
VSW
+3.3V
R5
10K
R1
10K
TP13
SS
TP14
+3.3V
TP26
AGND
TP16
VCC
TP17
PGND
C1, C21, C25
R1, R2, R5
February 16, 2011 | ADVANCED DATASHEET | V1.9 | PD97601
C12, C20
R4
15.8K
SW1
C10
R11
R12
U1
C2
C3
C4
C9
L1
R4
R3
R7
R8
+3.3V
VCC
EN
C23
open
FCCM
ISET
PGOOD
FB
SS
C20
0.1uF
Figure 4: Demoboard Schematic for VOUT = 1.05V, F
1
2
3
4
5
6
7
FCCM
ISET
PGOOD
GND1
FB
SS
NC1
C21
1uF
R12
4.99
TP28
VID
0.100uF
VALUE
IR3473
1.00uF
22.0uF
0.22uF
IR3473
150uF
2.2uH
15.8K
10.0K
2.80K
2.55K
47uF
68uF
200K
SPST
4.99
20
R3
200K
TP27
A
C25
1uF
R11
20
R10
open
PHASE
U1
IR3473
C22
open
TP25
B
capacitor, tantalum polymer, 150uF, 6.3V, 20%,
inductor, ferrite, 2.2uH, 8.0A, 11.2mOhm, SMT
C4
0.22uF
12
resistor, thick film, 10.0K, 1/10W, 0.01, 0603
resistor, thick film, 2.55K, 1/10W, 0.01, 0603
resistor, thick film, 15.8K, 1/10W, 0.01, 603
resistor, thick film, 2.80K, 1/10W, 0.01, 603
capacitor, electrolytic, 68uF, 25V, 0.2, SMD
resistor, thick film, 200K, 1/10W, 0.01, 603
resistor, thick film, 4.99, 1/8W, 0.01, 603
resistor, thick film, 20, 1/10W, 0.01, 603
1
capacitor, X5R, 22.0uF, 16V, 20%, 1206
capacitor, X7R, 1.00uF, 25V, 0.1, 0603
capacitor, X7R, 0.100uF, 25V, 0.1, 603
capacitor, X5R, 0.22uF, 10V, 0.1, 0603
switch, DIP, SPST, 2 position, SMT
6A Highly Integrated SupIRBuck
capacitor, 47uF, 6.3V, 805
R9
open
Q1
open
VIN
VSW
4mm X 5mm QFN
DESCRIPTION
R6
open
L1
2.2uH
C14
open
7343
C13
open
R13
open
C24
open
C1
1uF
R7
2.80K
R8
2.55K
C2
22uF
+
S
= 300kHz
C3
68uF
C6
open
C15
open
MANUFACTURER
C&K Components
C7
open
C16
open
Taiyo Yuden
Panasonic
Murata
TP1
VINS
TP6
PGNDS
Cyntec
Sanyo
KOA
KOA
KOA
KOA
KOA
KOA
KOA
TDK
TDK
TDK
IRF
C8
open
C17
open
TM
TP2
VIN
TP5
PGND
C9
150uF
C18
open
C10
47uF
C19
open
GRM188R71E105KA12D
IR3473
EMK316BJ226ML‐T
PCMB065T‐2R2MS
RK73H1JLTD1582F
RK73H1JLTD20R0F
RK73H1JLTD2003F
RK73H1JLTD2801F
C11
open
C26
open
C2012X5R0J476M
C1608X5R1A224K
PART NUMBER
C1608X7R1E104K
IR3473MTRPBF
RK73H1J1002F
RK73H1J4R99F
RK73H1J2551F
EEV‐FK1E680P
6TPC150M
SD02H0SK
VOUT
C12
0.1uF
C27
open
TP23
VOUTS
TP24
PGNDS
TP18
VOLTAGE SENSE
TP7
VOUT
TP10
PGND