Datasheet

MAX16977
36V, 2A, 2.2MHz Step-Down Converter
with Low Operating Current
7Maxim Integrated
Typical Operating Characteristics (continued)
(V
SUP
= V
SUPSW
= 14V, V
EN
= 14V, V
OUT
= 5V, V
FSYNC
= 0V, R
FOSC
= 12.1kHz, T
A
= +25NC, unless otherwise noted.)
V
OUT
vs. TEMPERATURE
(5V/2.2MHz)
V
OUT
(V)
4.92
4.94
4.96
4.98
5.02
5.04
5.06
5.08
5.10
4.90
MAX16977 toc16
5.00
TEMPERATURE (°C)
1109580655035205-10-25-40 125
I
LOAD
= 3A
I
LOAD
= 0A
V
IN
= 14V
V
OUT
LINE REGULATION
(5V/2.2MHz)
MAX16977 toc18
SUPPLY VOLTAGE (V)
V
OUT
(V)
302418126
4.92
4.94
4.96
4.98
5.00
5.02
5.04
5.06
5.08
5.10
4.90
03
6
I
LOAD
= 0A
181612 144 6 8 102
02
0
BIAS LOAD REGULATION
(5V/2.2MHz)
MAX16977 toc19
I
BIAS
(mA)
V
BIAS
(V)
4.92
4.94
4.96
4.98
5.00
5.02
5.04
5.06
5.08
5.10
4.90
T
A
= +125°C
T
A
= -40°C
T
A
= +25°C
V
OUT
LINE REGULATION
(5V/2.2MHz)
MAX16977 toc17
SUPPLY VOLTAGE (V)
V
OUT
(V)
161412108
4.92
4.94
4.96
4.98
5.00
5.02
5.04
5.06
5.08
5.10
4.90
61
8
I
LOAD
= 2A
V
OUT
LOAD REGULATION
(5V/2.2MHz)
MAX16977 toc15
I
LOAD
(A)
V
OUT
(V)
1.61.20.80.4
4.92
4.94
4.96
4.98
5.00
5.02
5.04
5.06
5.08
5.10
4.90
0 2.0
V
IN
= 14V
SHORT CIRCUIT TO GROUND TEST
(5V/2.2MHz)
MAX16977 toc14
10ms/div
2V/div
5V/div
0V
0V
10A/div
0A
V
PGOOD
I
LX
V
OUT