SIC401A Datasheet, PDF (13/28 Pages) Vishay Siliconix – 15 A microBUCK SiC401A/B Integrated Buck Regulator with Programmable LDO

ELECTRICAL CHARACTERISTICS
SiC401A, SiC401BCD
Vishay Siliconix
(50mV/div)
VOUT RIPPLE
IOUT :0A to 11A
(2V/div)
Pgood
LX
(5V/div)
(4A/div)
Time(20µs/div)
Transient Response - FCM
(V_DD = 5 V, V_IN = 12 V, V_OUT = 1.5 V, I_OUT = 0 A to 11 A, SiC401B, dI/dt = 1 A/µs)
(100mV/div)
VOUT RIPPLE
LX
(5V/div)
Time(500µs/div)
Over Temperature Shutdown at 133.4 °C
(V_IN = 12 V, V_OUT = 1.5 V, I_OUT = 0 A, LDO Mode, SiC401B)
(100mV/div)
(4A/div)
VOUT RIPPLE
(4A/div)
IOUT:0A to 11A
LX
(5V/div)
Time(10µs/div)
Transient Response - P-Save Load Rising
(V_DD = 5 V, V_IN = 12 V, V_OUT = 1.5 V, I_OUT = 0 A to 11 A, SiC401A, dI/dt = 1 A/µs)
(5V/div)
Pgood
IOUT:0A to 11A
LX
(5V/div)
Time(20µs/div)
Transient Response - P-Save Load Falling
(V_DD = 5 V, V_IN = 12 V, V_OUT = 1.5 V, I_OUT = 11 A to 0 A, SiC401A, dI/dt = 1 A/µs)
VOUT
(500mV/div)
(5A/div)
(5V/div)
Inductor
LX
Time(100µs/div)
Over Current Protection-Under Voltage Prodection
(V_DD = 5 V, V_IN = 12 V, V_OUT = 1.5 V, SiC401B)
Document Number: 63835
For technical questions, contact: [e-mail]
www.vishay.com
S12-2109-Rev. C, 03-Sep-12
13
This document is subject to change without notice.
THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc?91000