Datasheet

LTM4622
6
Rev. G
For more information www.analog.com
3.3V Output Transient Response
5V Output Transient Response
Start-Up with No Load Current
Applied
Start-Up with 2.5A Load Current
Applied
Recover from Short-Circuit with
No Load Current Applied
Short-Circuit with No Load
Current Applied
Short-Circuit with 2.5A Load
Current Applied
Steady-State Output Voltage
Ripple
Start-Up into Pre-Biased Output
TYPICAL PERFORMANCE CHARACTERISTICS
V
OUT
100mV/DIV
AC-COUPLED
LOAD STEP
1A/DIV
V
IN
= 12V
V
OUT
= 3.3V
F
S
= 2MHz
OUTPUT CAPACITOR = 1 × 47µF CERAMIC
LOAD STEP = 1.25A TO 2.5A
20µs/DIV
4622 G09
V
OUT
100mV/DIV
AC-COUPLED
LOAD STEP
1A/DIV
V
IN
= 12V
V
OUT
= 5V
F
S
= 2.5MHz
OUTPUT CAPACITOR = 1 × 47µF CERAMIC
LOAD STEP = 1.25A TO 2.5A
20µs/DIV
4622 G10
SW
10V/DIV
V
OUT
1V/DIV
RUN
10V/DIV
V
IN
= 12V
V
OUT
= 1.8V
F
S
= 1MHz
INPUT CAPACITOR = 1 × 22µF
OUTPUT CAPACITOR = 1 × 22µF + 1 × 47µF CERAMIC
SOFT-START CAP = 0.1µF
20ms/DIV
4622 G11
SW
10V/DIV
V
OUT
1V/DIV
RUN
10V/DIV
V
IN
= 12V
V
OUT
= 1.8V
F
S
= 1MHz
INPUT CAPACITOR = 1 × 22µF
OUTPUT CAPACITOR = 1 × 22µF + 1 × 47µF CERAMIC
SOFT-START CAP = 0.1µF
200ms/DIV
4622 G12
SW
10V/DIV
V
OUT
1V/DIV
I
IN
2A/DIV
V
IN
= 12V
V
OUT
= 1.8V
F
S
= 1MHz
INPUT CAPACITOR = 1 × 22µF
OUTPUT CAPACITOR = 1 × 22µF + 1 × 47µF CERAMIC
20µs/DIV
4622 G13
SW
10V/DIV
V
OUT
1V/DIV
I
IN
2A/DIV
V
IN
= 12V
V
OUT
= 1.8V
F
S
= 1MHz
INPUT CAPACITOR = 1 × 22µF
OUTPUT CAPACITOR = 1 × 22µF + 1 × 47µF CERAMIC
20µs/DIV
4622 G15
V
OUT
10mV/DIV
AC-COUPLED
SW
5V/DIV
V
IN
= 12V
V
OUT
= 1.8V
F
S
= 1MHz
INPUT CAPACITOR = 1 × 22µF
OUTPUT CAPACITOR = 1 × 22µF + 1 × 47µF CERAMIC
1µs/DIV
4622 G16
SW
10V/DIV
V
OUT
1V/DIV
I
IN
500mA/DIV
V
IN
= 12V
V
OUT
= 1.8V
F
S
= 1MHz
INPUT CAPACITOR = 1 × 22µF
OUTPUT CAPACITOR = 1 × 22µF + 1 × 47µF CERAMIC
20µs/DIV
4622 G14
SW
10V/DIV
V
OUT
1V/DIV
RUN
10V/DIV
V
IN
= 12V
V
OUT
= 1.8V
F
S
= 1MHz
INPUT CAPACITOR = 1 × 22µF
OUTPUT CAPACITOR = 1 × 22µF + 1 × 47µF CERAMIC
50ms/DIV
4622 G17
Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.Downloaded from Arrow.com.