IP1827TRPBF International Rectifier, IP1827TRPBF Datasheet - Page 4

• Manufacturer Part Number: IP1827TRPBF
• Description: IC DC-DC REG SYNC BUCK LGA
• Manufacturer: International Rectifier
• Series: iPOWIR™r
• Type: Step-Down (Buck), PWM - Voltage Moder

Specifications of IP1827TRPBF

• Internal Switch(s): Yes
• Synchronous Rectifier: Yes
• Number Of Outputs: 1
• Voltage - Output: 0.6 V ~ 12 V
• Current - Output: 25A
• Frequency - Switching: 225kHz ~ 1.65MHz
• Voltage - Input: 1.5 V ~ 16 V
• Operating Temperature: -40°C ~ 125°C
• Mounting Type: *
• Package / Case: *
• Package: LGA - 7.7 x 7.7
• Circuit: Single Output
• Iout (a): 25
• Switch Freq (khz): 250 - 1500
• Input Range (v): 1.5 - 16
• Output Range (v): 0.6 - 0.75*Vin
• Internal Bias Ldo: Yes
• Ocp Otp Uvlo Pre-bias Soft Start And: Remote Sense + Body Tracking + Temp Comp OCP
• Pbf: PbF Option Available
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

TYPICAL APPLICATION DIAGRAM
PGood
VCC=3.3V
36.5 K
10 K
R
R
4
Vin=12V
PG
t
0.1 uF
C
SS
C
4.7uF
January 24, 2011 | V1.2
Figure 5: iP1827 Application Circuit Diagram for a 12V to 1.8V, 25A Point of Load Converter
PVCC
PVCC
PGD
LGnd
Rt
SS
10uF
C
VCC
BiasGnd
VCC
iP1827
7.5k
R
2
49.9 K
En
R
Highly Integrated 25A Single‐input Voltage,
PGnd
1
Vin
OCSet
Vosm
Comp
Vosp
Voso
SW
Fb
8.2 nF
Synchronous Buck Regulator
C4
20.5 K
R
OCSet
2.2nF
120 pF
C7
C3
4.22 K
R3
C
+ 5X22uF/1206/
in
=1X330uF/25V
7.5 K
R8
X5R/16V
57.6
R10
0.3uH
Lo
R
402
comp
1.21K
R
R
604
top
bot
iP1827
0805/X5R/6.3V
C
o
=10X22uF/
Vo
97599