Datasheet

SHORT-CIRCUIT RESPONSE, V
OUT
= 3.3V
MAX16955 toc17
V
PGOOD
5V/div
I
OUT
5A/div
V
OUT
2V/div
400µs
3.3V
0V
LOAD REGULATION
MAX16955 toc18
LOAD CURRENT (A)
ERROR (%)
321
-4
-3
-2
-1
0
1
2
3
4
5
-5
04
T
A
= +125°C
FIXED-FREQUENCY MODE
T
A
= +25°C
T
A
= -40°C
LOAD REGULATION
MAX16955 toc19
LOAD CURRENT (A)
ERROR (%)
321
-4
-3
-2
-1
0
1
2
3
4
5
-5
04
T
A
= +125°C
SKIP MODE
T
A
= +25°C
T
A
= -40°C
OUTPUT-VOLTAGE ERROR
vs. TEMPERATURE
MAX16955 toc20
TEMPERATURE (°C)
ERROR (%)
1109565 80-10 5 20 35 50-25
-4
-3
-2
-1
0
1
2
3
4
5
-5
-40 125
FIXED-FREQUENCY MODE
SKIP MODE
LINE REGULATION
MAX16955 toc21
SUPPLY VOLTAGE (V)
OUTPUT VOLTAGE (V)
30241812
-2.5
-2.0
-1.5
-1.0
-0.5
0
0.5
1.0
1.5
2.0
2.5
3.0
-3.0
636
T
A
= +125°C
FIXED-FREQUENCY MODE
T
A
= +25°C
T
A
= -40°C
LINE REGULATION
MAX16955 toc22
SUPPLY VOLTAGE (V)
OUTPUT VOLTAGE (V)
30241812
-2.5
-2.0
-1.5
-1.0
-0.5
0
0.5
1.0
1.5
2.0
2.5
3.0
-3.0
636
T
A
= +125°C
SKIP MODE
T
A
= +25°C
T
A
= -40°C
BIAS VOLTAGE vs. BIAS CURRENT
MAX16955 toc23
BIAS CURRENT (mA)
BIAS VOLTAGE ERROR (%)
806020 40
-4
-3
-2
-1
0
1
2
3
4
5
-5
0 100
T
A
= +125°C
T
A
= +25°C
T
A
= -40°C
SHORT-CIRCUIT RESPONSE, V
OUT
= 5V
MAX16955 toc16
V
PGOOD
5V/div
I
OUT
5A/div
V
OUT
5V/div
400µs
5V
MAX16955
36V, 1MHz Step-Down Controller
with Low Operating Current
7
Maxim Integrated
Typical Operating Characteristics (continued)
(V
SUP
= V
EN
= 14V, C
IN
= 10μF, C
OUT
= 94μF, C
BIAS
= 2.2μF, C
BST
= 0.1μF, R
FOSC
= 66.5kΩ, f
OSC
= 468kHz, V
FB
= V
BIAS
,
V
OUT
= 5V, T
A
= +25°C, unless otherwise noted.)