cui.com

date

12/23/2015

│ page 6 of 33

CUI Inc

│ MODEL: NDM3Z-90 │ DESCRIPTION: AUTO COMPENSATED, DIGITAL DC-DC POL CONVERTER

PRODUCT ELECTRICAL SPECIFICATION (CONTINUED)

parameter

conditions/description

min

typ

max

units

power good delay (PG)

From VO reaching target to PG assertion

2

ms

power good delay range (PG)

PMBus configurable

POWER_GOOD_DELAY

0

5000

ms

input under voltage protection

threshold (IUVP)

6.4

V

input under voltage protection

threshold range (IUVP)

PMBus configurable

VIN_UV_FAULT_LIMIT

6.4~14

V

input under voltage protection

hysteresis (IUVP)

0.5

V

input under voltage protection

hysteresis range (IUVP)

PMBus configurable

VIN_UV_WARN_LIMIT

0~7.6

V

input under voltage protection

set point accuracy (IUVP)

280

mV

input under voltage protection

response delay (IUVP)

100

μs

input under voltage protection

shutdown, automatic restart

VIN_UV_FAULT_RESPONSE

280

ms

input over voltage protection

threshold (IOVP)

16

V

input over voltage protection

threshold range (IOVP)

PMBus configurable

VIN_OV_FAULT_LIMIT

6.9~16

V

input over voltage protection

hysteresis (IOVP)

1V

input over voltage protection

hysteresis range (IOVP)

PMBus configurable

VIN_OV_WARN_LIMIT

0~9.1

V

input over voltage protection

set point accuracy (IOVP)

280

mV

input over voltage protection

response delay (IOVP)

100

μs

input over voltage protection

shutdown, automatic restart

VIN_OV_FAULT_RESPONSE

280

ms

output under voltage protection

threshold (UVP)

85

%V

O

output under voltage protection

threshold range (UVP)

PMBus configurable

VOUT_UV_FAULT_LIMIT

0~100

%V

O

output over voltage protection

threshold (OVP)

115

%V

O

output over voltage protection

threshold range (OVP)

PMBus configurable

VOUT_OV_FAULT_LIMIT

100~115

%V

O

output over/under

voltage protection response

time (UVP/OVP)

10

μs

output over/under

voltage protection fault

shutdown, automatic restart

VOUT_UV_FAULT_RESPONSE

VOUT_OV_FAULT_RESPONSE

280

ms

Notes:

1. Automatic restart ~280 ms after fault if the fault is no longer present. Continuous restart attempts if the fault reappear after restart. See Operating Information

for other fault response options.

For more information, please visit the product page.