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International Rectifier Electronic Components Datasheet

IP1202PBF Datasheet

PWM Control & Passives

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PD-97111
iP1202PbF
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Features
• 5.5V to 13.2V input voltage
• 0.8V to 5V 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 Capable
• Overvoltage protection
• Individual soft start per outputs
• Over Temperature protection
• Internal features minimize layout sensitivity *
• Ease of layout
• Very small outline 15.5mm x 9.25mm x 2.6mm
Description
Dual Output Full Function 2 Phase
Synchronous Buck Power Block
Integrated Power Semiconductors,
PWM Control & Passives
iP1202PbF Power Block
The iP1202PbF is a fully optimized solution for medium current synchronous buck applications requiring up to
15A or 30A. The iP1202PbF 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.
iP1202PbF 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. 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
8/16/06
1


International Rectifier Electronic Components Datasheet

IP1202PBF Datasheet

PWM Control & Passives

No Preview Available !

iP1202PbF All specifications @ 25°C (unless otherwise specified)
Absolute Maximum Ratings
Parameter
VIN
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Output Overvoltage Sense
PGOOD
ENABLE
Soft Start
Vp-ref
HICCUP
SYNC
Symbol
VIN
VFB1/VFB2
VFB1S/VFB2S
SS1/SS2
HICCUP
Output RMS Current Per Channel
IoutVSW
Block Temperature
TBLK
Min
-0.3
-0.3
-0.3
-0.3
-0.3
-0.3
-0.3
-0.3
-0.3
-
-40
Typ
-
-
-
-
-
-
-
-
-
-
-
Max
15
6
6
15
15
6
6
15
6
15
125
Units Conditions
V
A 2 Independent outputs. See Fig. 3
°C
Capable of start up over full temperature
range. See Note 1.
Recommended Operating Conditions
Parameter
Symbol
Input Voltage Range
VIN
Output RMS Current Per Channel
IoutVSW
Output Voltage Range
VOUT
Electrical Specifications @ VIN = 12V
Parameter
Symbol
Power Loss
PLOSS
Over Current Shutdown
IOC
HICCUP duty cycle
Soft Start Time
Reference Voltage
VOUT Accuracy
DHICCUP
tSS
VREF
VOUT_ACC1
VOUT_ACC2
Error Amplifier 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
2
VOS2
IBFB
IERR
gm1, gm2
OVP
tOVP
VTh_PGOOD
VLO_PGOOD
Min
5.5
-
-
0.8
0.8
Typ
-
-
-
-
-
Max
13.2
15
11
5.0
3.3
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 = 12V
For VIN = 5.5V
Min Typ Max
- 7.0 8.75
- 25 -
- 5-
5
- 0.8 -
-3 - 3
-2.5 - 2.5
-4 - 4
- -0.1 -
- 60 -
-
2000
-
-
1.15 x VOUT
-
- 25 -
- 0.85 x VOUT
- 0.25 -
Units
W
A
%
ms
V
%
mV
µA
µA
Conditions
fSW = 300kHz, VIN = 12V, TBLK= 25°C
VOUT1 = VOUT2 = 1.5V, IOUT1 = IOUT2= 15A
VIN = 12V, VOUT = 1.5V
fSW = 300KHz, ROCSET = 51.1k
HICCUP pin pulled Low
HICCUP pin pulled high, output short
circuited.
VIN = 12V, VOUT = 1.5V,
CSS1= CSS2=0.1µF
TBLK = -40°C to 125°C, See Note 1.
VIN= 12V, VOUT = 1.5V
TBLK = 0°C to 125°C, See Note 1.
VIN= 12V, VOUT = 1.5V
VIN = 12V, VOUT = 1.5V, specified for
current share accuracy in parallel
configuration. Rshunt1 = Rshunt2 =5m,
Iout= 30A. See Fig. 15
µmho
V
µs
V
V
See OVP note in Design Guidelines
Output forced to 1.125Vref
FB1 or FB2 ramping down
ISINK=2mA
www.irf.com


Part Number IP1202PBF
Description PWM Control & Passives
Maker International Rectifier
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IP1202PBF Datasheet PDF






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