PI1004-1 Datasheet, PDF (11/16 Pages) Vicor Corporation – Programmable Point-of-Load Controller with 6-bit VID

Time: 400 ns/div
Figure 5 - Error Amp Output (EAO) and Adaptive Voltage
Positioning (AVP) response to negative step. Error amp
unity gain. ISN grounded, RAVP=1 K, RG=4 K
CH1: ISP 200 mV/div
CH3: EAO 200 mV/div
CH2: RG 200 mV/div
CH4: EAIP 200 mV/div
Time: 400 ns/div
Figure 6 - Error Amp Output (EAO) and Adaptive Voltage
Positioning (AVP) response to positive step. Error amp
unity gain. ISN grounded, RAVP=1 K, RG=4 K
CH1: ISP 200 mV/div
CH3: EAO 200 mV/div
CH2: RG 200 mV/div
CH4: EAIP 200 mV/div
Time: 20µs/div
Figure 7 - REFOUT settling time
CH1: VID4, 5 V/div
CH2: REFOUT; 100 mV/div
Figure 8 - REFOUT blanking time
CH1: VID5, 5 V/div
CH2: REFOUT; 100 mV/div
Time: 1.0µs/div
Time: 40 ns/div
Figure 9 - Unity Gain Error Amp slew rate
CH1: EAIP; 500 mV/div
CH2: EAO; 500 mV/div
Picor Corporation • picorpower.com
Time: 40 µs/div
Figure 10 - Startup, Fast Vcc RAMP
CH1: VCC; 2 V/div
CH3: PWRGD; 2 V/div
CH2: EAO; 1 V/div
CH4: SS; 1 V/div
PI1004 Data Sheet Rev. 2.5 Page 11 of 16