LPM/LMM409

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BCD.00365_AB3

Turn-On Time

Time required for output within regulation after initial

application of AC input

1.5

s

Time required for output within regulation after

removing inhibit

100

ms

Hold-up Time

Vo is required to stay within 95% regulation after AC is

removed. Measured from the last AC peak, VAC min

and full load.

10

ms

Total compensation for cable losses

250

500

mV

Over-current Protection

Automatic recovery (Hiccup by K-N modules)

130 (180

for K-N)

%

1

the E module dynamic deviation is less than 6%, the E, K, M module ripple is less than 2%

2

the K and M module dynamic deviation is less than 7% and response time is below 1000us

3

except K-N modules

7.3. Input - Signals, Features and Indicators Description

SIGNAL NAME

PIN

DESCRIPTION

Auxiliary Output

- 5V -

1,2 vs 3,4

(RTN_D)

Output is available when the AC input is over 85VAC. The output nominal output voltage is

5.0V at maximum current rating of 1.0A. Over current protection occurs above 1.5A. The

output is referenced to logic return, RTN_D.

Input AC Indication

- PFAIL -

5

Open Collector output with 20mA pull-down capability referenced to logic return RTN_D.

PFAIL open or High state indicates the warning that the input is out of limits (the input

voltage falls below 85Vac or rises over 264Vac ) 5 ms before the output goes below the

lower regulation limit. PFAIL will turn-off the green Input OK LED.

PFAIL LOW state indicates that the input voltage is within the operating range.

Fan Fail / OTP Indication

- FAN_FAIL -

6

Open Collector output pin with 20mA pull-down capability referenced to logic return

RTN_D.

FAN_FAIL OPEN OR HIGH state indicates a fan failure/over temperature protection (OTP)

condition min. 100 ms before the unit shuts-down. A fan failure/OTP condition will turn-off

the green FAN OK LED.

FAN_FAIL LOW state indicates normal fan operation and no OTP condition.

7.4. Output - Signals, Features and Indicators Description

7.4.1.Modules E, F, G, H, J

SIGNAL NAME

PIN

DESCRIPTION

Positive Sense Wire

- VS+ -

1

Output voltage sense wire. Internally connected to Vout+ via 51

Ω. It is recommended to

connect sense wire at positive load point.

Negative Sense Wire

- VS- -

2

Output voltage sense wire. Internally connected to Vout- via 51

Ω. It is recommended to

connect sense wire at negative load point.

Current Share

- CSH -

3

Common wire for parallel connected modules to achieve proper current sharing between

the modules. Referenced to the Common pin. Interconnect CS pin on all parallel working

modules. Active current share pin enables control of output voltage. Pulling-up this pin to

5V is possible to increase the output voltage. Pull-down of this pin has no effect. Voltage on

this pin is 3.5V at nominal module current.

Common

4

Reference pin to CSH

N/C

5

N/C

6

Output Good Indication

- PG_HI -

7

Open collector output with 20mA pull-down capability, max. 15V

(recommended Rpull-up = 1k, Vcc = 5V). Referenced to PG_LO.

PG_HI OPEN OR HIGH state indicates that the module output voltage is below lower

regulation limit. A PG_HI fail state turns the GREEN DC OK LED to RED.

PG_HI LOW state indicates the module output voltage is within normal operation limits.

- PG_LO -

8

Reference pin to PG_HI

Output Inhibit Function

- INH_HI -

9

An opto-isolated input with 2-10mA current capability. Apply +(3-15)V on INH_HI and RTN

on INH_LO (e.g. from the Auxiliary Output 5V) to activate the inhibit function.

INH_HI OPEN OR LOW state ENABLES the module output.

INH_HI HIGH state INHIBITES the module output.

- INH_LO -

10

Reference pin to INH_HI