APW8871 Datasheet, PDF (11/27 Pages) Anpec Electronics Coropration – DDR4 TOTAL POWER SOLUTION (VPP/VDDQ/VTT) SYNCHRONOUS DC/DC CONVERTER for NB/MB

APW8871
Operating Waveforms
S5=S3 Enable, No Load
4
3
2
1
CH1: VPOK (5V/div)
CH2: V_VDDQ (1V/div)
CH3: VVPP (2V/div)
CH4: VS5 (5V/div)
Time: 200µs/div
S3 Enable
4
3
2
1
CH1: V_VTT (500mV/div)
CH2: V_LX1 (20V/div)
CH3: V_VDDQ (1V/div)
CH4: VS3 (5V/div)
Time: 20µs/div
S5=S3 Shutdown- No Load
4
3
2
1
CH1: VPOK (5V/div)
CH2: V_VDDQ (1V/div)
CH3: VVPP (2V/div)
CH4: VS5 (5V/div)
Time: 200µs/div
S3 Shutdown è HZ Mode
3
2
1
CH1: VVTT (500mV/div)
CH2: VVDDQ (1V/div)
CH3: VS3 (5V/div)
Time: 5ms/div
C opyright © ANPEC Electronics C orp.
11
Rev. A.1 - Sep., 2015
www.anpec.com.tw