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International Rectifier Electronic Components Datasheet

IR3596 Datasheet

Digital Multi-Phase Memory/Mobile Controller

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  Digital Multi-Phase Memory/Mobile Controller
IR3596
FEATURES
Ultra Low Power single loop PWM Controller
with 3 PWMs configurable as 1, 2, 3 phase
systems
Compliant with Intel VR12.5 Rev 1.3/VR12.6
Rev1.0 specifications
Intel® VR12.5/VR12.6 SVID or I2C controlled
regulation
Optimized for 3 phase DDR memory solution
when paired with IR3548 and IR355x
PowIRstage
~50mW @ Maximum Performance
Compatible with Active Tri Level (ATL)
Industry Standard Tri-state Drivers
Dynamic Phase Control and Automatic Power
State Switching with Active Diode Emulation
for Very Light Loads
I2C system interface for telemetry of
Temperature, Voltage, Input and Output
Current & Power
Fault Protection: Output OVP, UVP, OC
Warn, OCP, OT Warn, OTP
IR Adaptive Transient Algorithm (ATA)
minimizes output bulk capacitors and system
cost
8 Time Programming (MTP) with integrated
charge pump for easy custom configuration
200kHz to 2MHz switching frequency per
phase
+3.3V supply voltage; -40°C to 85°C ambient
operation
Pb-Free, RoHS, 4x4mm, 28-pin, 0.4mm pitch
QFN
DESCRIPTION
The IR3596 is a flexible single loop digital multi-phase
buck controller that can be configured as a 1, 2 or 3
phase system when combined with IR Dual 6x8mm
IR3548 or IR355x powIRstages.
Power consumption is minimized while maintaining full
digital capability and flexibility. Digital non-linear transient
control allows lower frequency operation to achieve the
highest efficiency possible while providing minimal all
ceramic output capacitor solutions. The IR3596 includes
IR’s Efficiency Shaping Technology to automatically
deliver exceptional efficiency at minimum cost across the
entire load range and can be configured to enter 1-phase
operation and active diode emulation mode automatically
or by command. The IR3596 may also shut down
connected drivers/PowIRstage to minimize the quiescent
current consumption in the system to maximize battery
life on next gen VR12.5/VR12.6 notebooks/Ultrabooks.
IR’s unique Adaptive Transient Algorithm (ATA), based
on proprietary non-linear digital PWM algorithms,
minimizes output bulk capacitors, and improves transient
response and form factor.
Device configuration and fault parameters are easily
defined using the IR Digital Power Design Center (DPDC)
GUI and stored in on-chip MTP. MTP storage saves pins
and enables a small package size. Fault protection
includes output OV, UV and OC protection, thermistor or
NTC based OT protection sensing with a VRHOT signal
output and a Over Current warning flag.
APPLICATIONS
DDR3/LV DDR3/ DDR4 Memory Controller
VR12.5/VR12.6 Mobile Controller
ORDERING INFORMATION
Base Part
Number
Package Type
Standard Pack
Form
Quantity
Orderable
Part Number
Programming
IR3596
QFN 4 mm x 4 mm
Tape and Reel
3000
IR3596MTRPBF
Default
IR3596
QFN 4 mm x 4 mm
Tape and Reel
3000
IR3596MxxyyTRP 1
Customer Configuration
Notes:
1. Customer Specific Configuration File, where xx = Customer ID and yy = Configuration File (Codes assigned by IR Marketing).
  1 www.irf.com | © 2014 International Rectifier
June 6, 2014 | V1.3


International Rectifier Electronic Components Datasheet

IR3596 Datasheet

Digital Multi-Phase Memory/Mobile Controller

No Preview Available !

  Digital Multi-Phase Memory/Mobile Controller
ORDERING INFORMATION
 
 
 
 
 
 
 
PIN DIAGRAM 
IR3596M          
P/PBF – LEAD FREE
TR – Tape and Reel
yy – Configuration File ID
xx – Customer ID
Package Type (QFN)
 
IR3596
28 27 26 25 24 23 22
VINSEN 1
TSEN 2
LGND 3
CFILT 4
VRDY 5
SVADDR 6
SV_ALERT# 7
IR3596
28 Pin 4x4 QFN
Top View
PAD
21 ISEN3
20 VCC
19 VSEN
18 VRTN
17
PSI#_ADDR-
PROT
16 PWM3
15 PWM2
8 9 10 11 12 13 14
Figure 1: IR3596 Pin Diagram1
Notes:
1. Center pad is electrically isolated. Pad should be always connected to ground.
  2 www.irf.com | © 2014 International Rectifier
 
June 6, 2014 | V1.3


Part Number IR3596
Description Digital Multi-Phase Memory/Mobile Controller
Maker International Rectifier
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IR3596 Datasheet PDF






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