Performance Summary - Linear Technology DC2194A Demo Manual

DEMO MANUAL DC2194A

performance summary

PARAMETER
Dual Phase Dual Output Configuration (Default)
Input Voltage Range
Input Voltage Range
Default Output Voltage
V
OUT1
V
OUT2
Default Switching Frequency
Maximum Continuous Output Current I
(Dual Phase Dual Outputs)
Output Voltage Ripples
(Peak-to-Peak)
V
OUT1,P-P
V
OUT2,P-P
(Dual Phase Dual Outputs)
Dynamic Load Transient Response
V
OUT1,P-P
V
OUT2,P-P
(Dual Phase Dual Outputs)
Efficiency
(Dual Phase Dual Outputs)
Thermal Performance
(Dual Phase Dual Outputs)
2
Specifications are at T
CONDITIONS
V = 4.5V to 20V
IN
I = 0A to 4A
LOAD
f = 800kHz
SW
Programmed Frequency with an External Resistor
from FREQ Pin to SGND
per Channel V = 4.5V to 20V
OUT IN
f = 800kHz
SW
V = 12V
IN
f = 800kHz
SW
V = 1.8V at I
OUT1
V = 1.2V at I
OUT2
C = 1x150µF + 1x22µF per Channel
OUT
V = 12V
IN
f = 800kHz
SW
Mode = CCM
V = 1.8V, I
OUT1
V = 1.2V, I
OUT2
C = 1x150µF + 1x22µF per Channel
OUT
V = 12V
IN
f = 800kHz
SW
V = 1.8V at I
OUT1
V = 1.2V at I
OUT2
V = 12V
IN
f = 800kHz
SW
V = 1.8V at I
OUT1
V = 1.2V at I
OUT2
T = 25°C, No Forced Airflow/Heat Sink
A
= 25°C
A
= 4A
OUT1
= 4A
OUT2
= 2A to 4A
OUT_STEP
= 2A to 4A
OUT_STEP
= 4A
OUT1
= 4A
OUT2
= 4A
OUT1
= 4A
OUT2
VALUE
4.5V to 20V
2.5V to 20V
(with External CPWR Bias Supply)
1.8V ±1.5%
1.2V ±1.5%
800kHz ±10%
V , = 27mV (Figure 8a)
OUT1 P-P
V , = 17mV (Figure 8b)
OUT2 P-P
V , = 86mV (Figure 7a)
OUT1 P-P
V , = 67mV (Figure 7b)
OUT2 P-P
Channel 1: 87.8% (Figure 4)
Channel 2: 84.2% (Figure 4)
57.2°C Peak Temperature
(Figure 11a)
dc2194af
4A