XRP7708EVB Exar Corporation, XRP7708EVB Datasheet - Page 3

• Manufacturer Part Number: XRP7708EVB
• Description: EVAL BOARD FOR XRP7708
• Manufacturer: Exar Corporation
• Type: PMIC Solutionsr

Specifications of XRP7708EVB

• Main Purpose: DC/DC, Step Down
• Outputs And Type: *
• Voltage - Output: *
• Current - Output: *
• Voltage - Input: *
• Regulator Topology: Buck
• Frequency - Switching: *
• Board Type: Fully Populated
• Utilized Ic / Part: XRP7708
• Board Size: 6 mm x 6 mm x 0.8 mm
• Interface Type: I2C
• Maximum Operating Temperature: + 125 C
• Operating Supply Voltage: 6.5 V to 20 V
• Product: Power Management Development Tools
• Sense Voltage (max): 5 mV
• Dimensions: 6 mm x 6 mm x 0.8 mm
• Silicon Manufacturer: Exar
• Silicon Core Number: XRP7708
• Kit Application Type: Power Management - Voltage Regulator
• Application Sub Type: Step Down DC/DC Controller
• For Use With/related Products: XRP7708
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Power - Output: -
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 1016-1346

Part
Number
XRP7713
XRP7714
XRP7704
XRP7708
XRP7740
Applications
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Power
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Consumer - Set-Top Box (STB), IP Camera, Plasma
Display Panel (PDP)
Computing - Server, Storage Systems
Industrial - Automatic Test Equipment, Point of Sale
Medical Equipment
Networking and Telecommunications Equipment,
Ethernet Adapter cards
Three to four switching buck (step-down) controllers
each with internal FET drivers
Output voltages programmable from 0.9V to 5.1V
Up to 6 (re)configurable GPIO pins
Fully programmable via I²C interface
Independent Digital Pulse Width Modulator (DPWM)
channels with five coefficient PID control
High Integration: elimination of external circuits and
components required for compensation, parameter
adjustment and interface
Programmable DPWM frequency range (300 kHz
to 1.5 MHz) enables efficiency and component size
optimization
Complete power monitoring and reporting
Independently controlled start-up delay and ramp for
each regulator
Independently controlled soft-stop delay and ramp for
each regulator with a programmable stop voltage
Over-temperature protection (OTP) and Under Voltage
Lockout (UVLO); per-channel over-current protection
(OCP) and over-voltage protection (OVP)
Built-in LDO (configurable to 3.3V or 5V) with over-
current protection
Non-volatile memory for system
XR
Channels
Family Features
3
4
4
4
4
Current
Output
2 x 15A
3 x 5A
4 x 5A
2 x 5A
2 x 8A
2 x 5A
5A
4.75V
4.75V
Min.
6.5V
6.5V
6.5V
Operating
Voltage
Max.
25V
25V
20V
20V
20V
Voltage
Output
Min.
0.9V
0.9V
0.9V
0.9V
0.9V
Quiescent
Current
9mA
9mA
9mA
9mA
9mA
GPIO
Frequency
Vin
I²C
0.3MHz to
0.3MHz to
0.3MHz to
0.3MHz to
0.3MHz to
1.5MHz
1.5MHz
1.5MHz
1.5MHz
1.5MHz
Prog.
Prog.
Prog.
Prog.
Prog.
Interface
Lockout
Voltage
Internal LDO
Under
GPIO
Soft Start/Stop Voltage Ramp and Timing Control
Ports
I²C
DPWM Switching Controller #4
DPWM Switching Controller #2
DPWM Switching Controller #3
DPWM Switching Controller #1
Power
Package Features
TQFN-40
TQFN-40
TQFN-40
TQFN-40
TQFN-32
XR
Monitor
Power-
Good
Vref
Configuration
Architecture Overview
Registers
DPWM Controller
I²C (re)configurable
Built-in 3.3V/5V LDO - Integrated Drivers
Full protection
DPWM Controller
I²C (re)configurable
Built-in 3.3V/5V LDO - Integrated Drivers
Full protection
DPWM Controller
I²C (re)configurable
Built-in 3.3V/5V LDO - Integrated Drivers
Full protection
DPWM Controller
I²C (re)configurable
Built-in 3.3V/5V LDO - Integrated Drivers
Full protection
DPWM Controller
I²C (re)configurable
Built-in 3.3V/5V LDO - Integrated Drivers
Full protection
Linear Voltage Regulator
Monitor
Over-
Temp
Configurable LDO
Memory
Handling
OTP
Fault
Driver
Driver
Driver
Driver
FET
FET
FET
FET
LDO
Vin1
Vin2
Vin3
Vin4
Vout1t
Vout2
Vout3
Vout4
3