MIC2584/2585
Micrel
Turn-On Response (Hot Insert)
Power-On Reset Response
VCC1 = 5V
VCC2 = 3.3V
CL = 250µF
RL = 5Ω
22.5ms
VCC1 = 5V
VCC2 = 3.3V
RL1 =3.5Ω
CL1 = 220µF
CPOR = 47nF
TIME (5ms/div.)
TIME (5ms/div.)
Short-Circuit Crowbar Channel 1
Short-Circuit Crowbar Channel 2
(SCR enabled through a PNP from DIS pin-MIC2585-1BTS)
(SCR enabled through a PNP from DIS pin-MIC2585-1BTS)
VCC1 = 5V
VCC2 = 3.3V
4.5A peak
RL1 = 3.5Ω
RL2 = 1Ω
CL1 = CL2 = 220µF
VCC1 = 5V
VCC2 = 3.3V
RL1 = 3.5Ω
3.88A peak
RL2 = 1Ω
CL1 = CL2 = 220µF
TIME (25µs/div.)
TIME (10µs/div.)
Short-Circuit Response
VCC1 = 5V
VCC2 = 3.3V
RL1 = 1Ω
RL2 = open
CL1 = 2200µF
CL2 = 220µF
6.04A peak
TIME (25µs/div.)
March 2005
13
MIC2584/2585
MICREL [ MICREL SEMICONDUCTOR ]
