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International Rectifier Electronic Components Datasheet

IP1201PBF Datasheet

Dual Output Full Function 2 Phase Synchronous Buck Power Block Integrated Power Semiconductors

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PD-97109
Features
• 3.14V to 5.5V input voltage
• 0.8V to 3.3V output voltage
• 2 Phase Synchronous Buck Power Block
• 180° out of phase operation
• Single or Dual output capability
• Dual 15A maximum load capability
• Single 2 phase 30A maximum load capability
• 200-400kHz per channel nominal switching frequency
• Over Current Hiccup or Over Current Latch
• External Synchronization capability
• Overvoltage protection
• Independent soft start per output
• Over Temperature protection
• Internal features minimize layout sensitivity *
• Very small outline 15.5mm x 9.25mm x 2.6mm
iP1201PbF
Dual Output Full Function 2 Phase
Synchronous Buck Power Block
Integrated Power Semiconductors,
PWM Control & Passives
iP1201PbF Power Block
Description
The iP1201PbF is a fully optimized solution for medium current synchronous buck applications requiring up to 15A
orwww.DataSheet4U.com 30A. The iP1201PbF is optimized for 2 phase single output applications up to 30A or dual output, each up to
15A with interleaved input. It includes full function PWM control, with optimized power semiconductor chip-sets and
associated passives, achieving high power density. Very few external components are required to create a complete
synchronous buck power supply.
iPOWIR technology offers designers an innovative space-saving solution for applications requiring high power
densities. iPOWIR technology eases design for applications where component integration offers benefits in
performance and functionality. iPOWIR technology solutions are also optimized internally for layout, heat
transfer and component selection.
iP1201PbF Configurations
Channel 1
V IN
V OUT
V IN
V OUT
Channel 2
V OUT
Single Output
Dual Output
* Although, all of the difficult PCB layout and bypassing issues have been addressed with the internal design of the iPOWIR block, proper layout techniques should be applied
for the design of the power supply board. There are no concerns about unwanted shutdowns common to switching power supplies, if operated as specified. The iPOWIR block
will function normally, but not optimally without any additional input decoupling capacitors. Input decoupling capacitors should be added at Vin pin for stable and reliable long
term operation. See layout guidelines in datasheet for more detailed information.
www.irf.com
8/11/06
1


International Rectifier Electronic Components Datasheet

IP1201PBF Datasheet

Dual Output Full Function 2 Phase Synchronous Buck Power Block Integrated Power Semiconductors

No Preview Available !

iP1201PbF All specifications @ 25°C (unless otherwise specified)
Absolute Maximum Ratings
Parameter
VIN
Feedback
Output Overvoltage Sense
PGOOD
ENABLE
Soft Start
Vp-ref
HICCUP
SYNC
Symbol Min Typ Max Units Conditions
VIN -0.3 - 5.8
VFB1/VFB2
-0.3
-
6
VFB1S/VFB2S
-0.3
-
6
-0.3 -
6
-0.3 -
5.8 V
SS1/SS2
-0.3
-
6
-0.3 -
6
HICCUP
-0.3
-
6
-0.3 -
6
Output RMS Current Per Channel
IoutVSW
-
- 15 A 2 Independent outputs. See Fig. 3
Block Temperature
TBLK
-40
-
125
°C
Capable of start up over full
temperature range. See Note 1.
Recommended Operating Conditions
Parameter
Input Voltage Range
Output RMS Current Per Channel
Symbol
VIN
IoutVSW
Output Voltage Range
VOUT
Min
3.14
-
-
0.8
0.8
Typ
-
-
-
-
-
Max
5.5
15
11.5
3.3
2.5
Units Conditions
A
2 Independent outputs
TPCB = TCASE = 90°C. See Fig. 3
2 Independent outputs
A TPCB = 90°C, TCASE = no airflow, no
heatsink. See Fig. 3
V For VIN = 5V
For VIN = 3.3V
Electrical Specifications @ VIN = 5V
Parameter
Symbol
Power Loss
PLOSS
Over Current Shutdown
IOC
HICCUP duty cycle
Soft Start Time
Reference Voltage
VOUT Accuracy
Error Ampifier 1 & 2 input offset
voltage
FB1 / FB2 Input bias current
Error Amplifier
source/sink Current
Error Amplifier
Transconductance
Output Overvoltage Shutdown
Threshold
OVP Fault Propagation Delay
PGOOD Trip Threshold
PGOOD Output Low Voltage
DHICCUP
tSS
VREF
VOUT_ACC1
VOUT_ACC2
VOS1, VOS2
IB1, IB2
IERR
gm1, gm2
OVP
tOVP
VTh_PGOOD
VLo_PGOOD
Min Typ Max
- 6.7 8.4
- 20 -
-5-
-5-
- 0.80 -
-3 - 3
-2.5 - 2.5
-4 -
- -0.1
- 60
4
-
-
- 2000 -
- 1.15 x VOUT -
- 25 -
- 0.85 x VOUT -
- 0.25 -
Units
W
A
%
ms
V
%
mV
µA
µA
Conditions
fSW = 300kHz, VIN = 5V, VOUT = 1.5V,
IOUT = 15A
VIN = 5V, VOUT = 1.5V,
fSW = 300KHz, HICCUP pin pulled
Low
HICCUP pin pulled high, output
short circuited.
VIN = 5V, VOUT = 1.5V,
CSS1 = CSS2 = 0.1µF
IOUT = 2A
TBLK = -40°C to 125°C, See Note 1.
VIN = 5V, VOUT = 1.5V
TBLK = 0°C to 125°C, See Note 1.
VIN = 5V, VOUT = 1.5V
VIN = 5V, VOUT = 1.5V
µmho
V
µs
V
V
See OVP note in Design Guidelines
Output forced to 1.125Vref
FB1 or FB2 ramping down
ISINK = 2mA
2 www.irf.com


Part Number IP1201PBF
Description Dual Output Full Function 2 Phase Synchronous Buck Power Block Integrated Power Semiconductors
Maker International Rectifier
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