PRM48BH480T200B00

PRM® Regulator

Page 4 of 22

Rev 1.1

7/2015

vicorpower.com

800 927. 9474

 

 

Temperature Monitor

TM

• The TM pin monitors the internal temperature of the PRM analog control IC.

• "Power Good" flag to verify that the PRM is operating

Signal Type

State

Attribute

Symbol

Conditions / Notes

Min

Typ

Max

Unit

 

 

Analog Output

 

Regular

Operation

TM Voltage

Full temperature range

2.12

4.04

V

TM Voltage reference

2.94

3.00

3.06

V

TM Voltage Ripple

powertrain in burst mode

350

mV

TM Available Current

100

µA

TM Gain

10

mV/°C

Digital Output [Fault Flag]

Fault or

Standby

TM Disabled Current

I

DC state with TM Voltage +/- 0.5V. This is a high

impedance state.

 

0.0

 

mA

 

 

 

 

 

 

 

 

 

 

 

TM_DIS

 

 

Signal Ground

SG

• All control signals must be referenced to this pin, with the exception of VC

• SG is internally connected to -IN and -OUT

Signal Type

State

Attribute

Symbol

Conditions / Notes

Min

Typ

Max

Unit

Analog Input / Output

Any

Maximum Allowable Current

-100

100

mA

 

VTM Control

VC

• Pulsed voltage source used to power and synchronize start up of downstream VTM

• If not used, must be resistively terminated to -OUT

Signal Type

State

Attribute

Symbol

Conditions / Notes

Min

Typ

Max

Unit

 

Analog Output

 

Startup

VC Voltage

13

V

VC Current Limit

200

500

mA

VC duration

7

10

16

ms

VC Slew Rate

dVC/dt

20

V/µs