APW8871 Datasheet, PDF (13/27 Pages) Anpec Electronics Coropration – DDR4 TOTAL POWER SOLUTION (VPP/VDDQ/VTT) SYNCHRONOUS DC/DC CONVERTER for NB/MB

APW8871
Operating Waveforms
VPP Load Transient,
IVPP = 0A->1A->0A
3
2
1
CH1: I_L2 (1A/div)
CH2: VVPP (AC,500mV/div)
CH3: VLX2 (5V/div)
Time: 20µs/div
Short Circuit Test to VPP Terminal
4
3
2
1
CH1: IL2 (2A/div)
CH2: V_VTT (500mV/div)
CH3: VVDDQ (1V/div)
CH4: VVPP (2V/div)
Time: 200µs/div
Short Circuit Test to VDDQ Terminal
3
2
1
CH1: I_L1 (10Adiv)
CH2: VVDDQ (1V/div)
CH3: VVPP (2V/div)
Time: 50µs/div
C opyright © ANPEC Electronics C orp.
13
Rev. A.1 - Sep., 2015
www.anpec.com.tw