IR3899MTRPBF International Rectifier, IR3899MTRPBF Datasheet - Page 36
IR3899MTRPBF
Manufacturer Part Number
IR3899MTRPBF
Description
9A Highly Integrated Single-Input Voltage, Synchronous Buck Regulator in a PQFN package.
Manufacturer
International Rectifier
Datasheet
1.IR3899MTR1PBF.pdf
(42 pages)
Specifications of IR3899MTRPBF
Part Status
Active and Preferred
Package
PQFN / 4 x 5
Circuit
Single Output
Iout (a)
9
Switch Freq (khz)
0 - 1500
Input Range (v)
1.0 - 16
Output Range (v)
0.5 - 12
Pbf
PbF Option Available
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
IR3899MTRPBF
Manufacturer:
ALTERA
Quantity:
301
Part Number:
IR3899MTRPBF
Manufacturer:
IR
Quantity:
20 000
TYPICAL OPERATING WAVEFORMS
Vin = 12V, Vo = 1.2V, Iout = 0‐9A, Room Temperature, No Air Flow
Figure 40: Feed Forward for Vin change from 7 to 16V
800KHz from free running 600KHz, Ch
Figure 42: External Frequency Synchronization to
Figure 44: Voltage Margining using Vref Pin,
36
and back to 7V, Ch
Ch
2
‐Vout, Ch
FEBRUARY 02, 2012 |DATA SHEET | 3.3
Ch
4
‐Rt/Sync Voltage
3
‐Vref, Ch
2
‐Vout, Ch
4
‐PGood
Single‐Input Voltage, Synchronous Buck Regulator
1
3
‐LX, Ch
‐Vin
2
‐Vout,
- 36 -
9A Highly Integrated SupIRBuck
Figure 41: Start/Stop using S‐Ctrl Pin, Ch
Figure 45: Voltage Tracking using Vp Pin,
Figure 43: Over Voltage protection,
Ch
Ch
2
2
‐Vout, Ch
‐Vout, Ch
Ch
2
‐Vout, Ch
3
3
‐Vp, Ch
‐S_Ctrl, Ch
TM
3
‐PGood
4
‐PGood
4
‐EN
IR3899
1
‐PGood,
PD‐97661