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datdatee 07/07/2014
pagepage 1 of 61 of 6
SERIES: PQMC3-S DESCRIPTION: DC-DC CONVERTER
FEATURES
3 W isolated output
smaller package
single/dual regulated output
1,500 Vdc isolation
continuous short circuit
temperature range (-40~105C)
high efficiency at light load
efficiency up to 84%
input output output output ripple efficiency
MODEL
1
voltage voltage current power and noise
typ range min max max max typ
(Vdc) (Vdc) (Vdc) (mA) (mA) (W) (mVp-p) (%)
PQMC3-D5-S5-S 5 4.5~9 5 25 500 2.5 75 73
PQMC3-D5-S9-S 5 4.5~9 9 14 278 2.5 75 74
PQMC3-D5-S12-S 5 4.5~9 12 10 208 2.5 75 77
PQMC3-D5-S15-S 5 4.5~9 15 8 167 2.5 75 74
PQMC3-D5-D5-S 5 4.5~9 5 13 250 2.5 75 74
PQMC3-D5-D12-S 5 4.5~9 12 5 104 2.5 75 77
PQMC3-D5-D15-S 5 4.5~9 15 4 83 2.5 75 77
PQMC3-D12-S3-S 12 9~18 3.3 38 758 2.5 75 75
PQMC3-D12-S5-S 12 9~18 5 30 600 3 75 76
PQMC3-D12-S9-S 12 9~18 9 17 333 3 75 79
PQMC3-D12-S12-S 12 9~18 12 13 250 3 75 82
PQMC3-D12-S15-S 12 9~18 15 10 200 3 75 83
PQMC3-D12-S24-S 12 9~18 24 6 125 3 75 81
PQMC3-D12-D5-S 12 9~18 5 15 300 3 75 78
PQMC3-D12-D12-S 12 9~18 12 6 125 3 75 79
PQMC3-D12-D15-S 12 9~18 15 5 100 3 75 80
PQMC3-D24-S3-S 24 18~36 3.3 38 758 2.5 75 74
PQMC3-D24-S5-S 24 18~36 5 30 600 3 75 81
PQMC3-D24-S9-S 24 18~36 9 17 333 3 75 83
PQMC3-D24-S12-S 24 18~36 12 13 250 3 75 83
PQMC3-D24-S15-S 24 18~36 15 10 200 3 75 83
PQMC3-D24-S24-S 24 18~36 24 6 125 3 75 83
PQMC3-D24-D5-S 24 18~36 5 15 300 3 75 79
PQMC3-D24-D9-S 24 18~36 9 8 167 3 75 81
PQMC3-D24-D12-S 24 18~36 12 6 125 3 75 83
PQMC3-D24-D15-S 24 18~36 15 5 100 3 75 83
PQMC3-D48-S3-S 48 36~75 3.3 38 758 2.5 75 75
PQMC3-D48-S5-S 48 36~75 5 30 600 3 75 76
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CUI Inc SERIES: PQMC3-S DESCRIPTION: DC-DC CONVERTER date 07/07/2014 page 2 of 6
input output output output ripple efficiency
MODEL
1
voltage voltage current power and noise
typ range min max max typ typ
(CONTINUED)
(Vdc) (Vdc) (Vdc) (mA) (mA) (W) (mVp-p) (%)
PQMC3-D48-S12-S 48 36~75 12 13 250 3 75 80
PQMC3-D48-S15-S 48 36~75 15 10 200 3 75 84
PQMC3-D48-S24-S 48 36~75 24 6 125 3 75 82
PQMC3-D48-D5-S 48 36~75 5 15 300 3 75 79
PQMC3-D48-D12-S 48 36~75 12 6 125 3 75 82
PQMC3-D48-D15-S 48 36~75 15 5 100 3 75 82
Notes: 1. ripple and noise are measured at 20 MHz BW by parallel cable method with 1 F ceramic and 10 F electrolytic capacitors on the output.
PART NUMBER KEY
PQMC3 - DXX - XXX -S
Base Number
Packaging Style
Output Output Voltage
Input Voltage
SIP
S = single
D = dual
INPUT
parameter conditions/description min typ max units
5 Vdc input models 4.5 5 9 Vdc
12 Vdc input models 9 12 18 Vdc
operating input voltage
24 Vdc input models 18 24 36 Vdc
48 Vdc input models 36 48 75 Vdc
5 Vdc input models 3.5 4 4.5 Vdc
12 Vdc input models 4.5 8 9 Vdc
start-up voltage
24 Vdc input models 11 16 18 Vdc
48 Vdc input models 24 33 36 Vdc
for maximum of 1 second
5 Vdc input models -0.7 12 Vdc
surge voltage 12 Vdc input models -0.7 25 Vdc
24 Vdc input models -0.7 50 Vdc
48 Vdc input models -0.7 100 Vdc
filter capacitance filter
models ON (CTRL open or insulated)
2
CTRL
models OFF (connect voltage, current into CTRL is
5~10mA)
Notes: 2. See application notes on page 6.
OUTPUT
parameter conditions/description min typ max units
line regulation full load, input voltage from low to high 0.2 0.5 %
load regulation 5% to 100% load 0.6 1 %
voltage accuracy 5% to 100% load 1 3 %
PQMC3-D12-S3-S & PQMC3-D48-S3-S 8 %
no-load voltage accuracy
all other models 1.5 5 %
3
voltage balance dual output, balanced loads 0.5 1 %
switching frequency 100% load, nominal input voltage, PFM mode 250 kHz
transient recovery time 25% load step change 0.5 3 ms
transient response deviation 25% load step change 2.5 5 %
temperature coeffecient 100% load 0.02 0.03 %/C
Notes: 3. For dual output models, unbalanced loads should not exceed 5%. If 5% is exceeded, it may not meet all specifications.
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