Linear Technology LTC1736 Datasheet page 6

LTC1736
TYPICAL PERFOR A CE CHARACTERISTICS
Oscillator Frequency
vs Temperature
300
C = 47pF
OSC
290
280
270
260
250
–40 –15 10 35 60
TEMPERATURE (°C)
Start-Up
V
OUT
1V/DIV
V
RUN/SS
5V/DIV
I
L
5A/DIV
5ms/DIV
V = 15V
IN
V = 1.6V
OUT
R = 0.16Ω
LOAD
V
OUT(RIPPLE)
(Burst Mode Operation)
I = 1.5A
LOAD
V
OUT
20mV/DIV
I
L
5A/DIV
FCB = 5V 5µs/DIV
V = 15V
IN
V = 1.6V
OUT
6
Dynamic VID Change,
Burst Mode Operation Defeated
FCB = 0V
V
OUT
100mV/DIV
I
L
5A/DIV
PGOOD
5V/DIV
85 135
110
1736 G19
V
OUT(RIPPLE)
I
LOAD
V
OUT
10mV/DIV
I
L
5A/DIV
1736 G22
EXT SYNC (f = f
V = 15V
IN
V
OUT
Load Step
(Burst Mode Operation)
V
OUT
50mV/DIV
I
L
5A/DIV
1736 G25
10mA TO
11A LOAD STEP
FCB = 5V
V = 15V
IN
V
OUT
1736 G20
20µs/DIV
(Synchronized)
= 10mA
1736 G23
10µs/DIV
)
O
= 1.6V
1736 G26
10µs/DIV
= 1.6V
Dynamic VID Change,
Burst Mode Operation Enabled
FCB = PGOOD
V
OUT
100mV/DIV
I
L
5A/DIV
PGOOD
5V/DIV
20µs/DIV
V
OUT(RIPPLE)
(Burst Mode Operation)
I = 50mA
LOAD
V
OUT
20mV/DIV
I
L
5A/DIV
50µs/DIV
FCB = 5V
V = 15V
IN
V = 1.6V
OUT
Load Step (Continuous Mode)
V
OUT
50mV/DIV
I
L
5A/DIV
0A TO 10µs/DIV
11A LOAD STEP
FCB = 0V
V = 15V
IN
V = 1.6V
OUT
1736 G21
1736 G24
1736 G27