nx2139a Microsemi Corporation, nx2139a Datasheet - Page 9

• Manufacturer Part Number: nx2139a
• Description: Single Channel Mobile Pwm And Ldo Controller
• Manufacturer: Microsemi Corporation

Demoboard Waveforms
CH3 SW PGOOD, CH4 LDO PGOOD)
Fig.6 LDO output transient with SW in PFM mode
(CH1 1.8V OUTPUT AC, CH2 1.5V LDO AC, CH4
LDO OUTPUT CURRENT)
Fig.8 Start into short (CH1 VIN, CH2 5V VCC, CH4
INDUCTOR CURRENT)
Rev. 2.3
03/19/09
Fig.4 Startup (CH1 1.8V OUTPUT, CH2 1.5V LDO,
Fig.7 SW output transient (CH1 1.8V OUTPUT AC,
CH2 1.5V LDO AC, CH4 1.8V OUTPUT CURRENT)
Fig.5 Turn off (CH1 1.8V OUTPUT, CH2 1.5V LDO,
CH3 SW PGOOD, CH4 LDO PGOOD)
Fig. 9 VOUT ripple @ VIN=12V,IOUT=4A (CH1 SW,
CH3 VOUT AC)
NX2139A
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