NX2147CMTR Microsemi Analog Mixed Signal Group, NX2147CMTR Datasheet - Page 9

• Manufacturer Part Number: NX2147CMTR
• Description: IC PWM BUCK CONTROLLER MLPQ-16L
• Manufacturer: Microsemi Analog Mixed Signal Group

Specifications of NX2147CMTR

• Pwm Type: Controller
• Number Of Outputs: 1
• Voltage - Supply: 4.5 V ~ 24 V
• Buck: Yes
• Boost: No
• Flyback: No
• Inverting: No
• Doubler: No
• Divider: No
• Cuk: No
• Isolated: No
• Operating Temperature: -10°C ~ 100°C
• Package / Case: 16-MLPQ
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Frequency-max: -
• Duty Cycle: -

Fig.4 Start up( CH1 VOUT 1V/DIV, CH4 Output
current 5A/DIV)
Demoboard waveforms
Fig.6 Soft turn off(CH1 ENSW 2V/DIV, CH2 VOUT
0.5V/DIV)
Rev. 1.6
03/09/09
Fig.8 D1=0, D0 from low to high(CH1 D0 2V/DIV,
CH2 VOUT 0.1V/DIV 0.8V OFFSET, CH3 INDUC-
TOR CURRENT 5A/DIV, CH4 VP 0.1V/DIV 0.8V
OFFSET)
Rev. 1.8
12/28/09
Fig.5 10A step response( CH1 VOUT AC 50mV/DIV,
CH4 Output current 5A/DIV)
Fig.7 D0=0, D1 from low to high(CH1 D0 2V/DIV,
CH2 VOUT 0.1V/DIV 0.8V OFFSET, CH3 INDUC-
TOR CURRENT 5A/DIV, CH4 VP 0.1V/DIV 0.8V
OFFSET)
Fig.9 Output efficiency
95
90
85
80
75
70
65
60
55
50
10
OUTPUT EFFICIENCY (VIN=12V,VOUT=1.09V)
OUTPUT CURRENT (mA)
100
1000
NX2147
10000
9