Typical operating characteristics (continued) – Rainbow Electronics MAX17083 User Manual
Page 6
MAX17083
Low-Voltage, Internal Switch,
Step-Down Regulator
6
_______________________________________________________________________________________
Typical Operating Characteristics (continued)
(Circuit of Figure 1, V
IN
= 5V, V
OUT
= 1.1V, FREQ = open. T
A
= +25°C, unless otherwise noted.)
REGULATOR SHUTDOWN WAVEFORM
MAX17083 toc08
100
μs/div
IL
OUT
POK
EN
LX
EN: 5V/div
OUT: 1V/div
POK: 2V/div
R
LOAD
= 0.55
Ω
I
L
: 2A/div
LX: 5V/div
REGULATOR LOAD TRANSIENT
MAX17083 toc09
20
μs/div
IL
OUT
I
OUT
LX
EN = high, V
IN
= V
BIAS
= 5V,
V
OUT
= 1.1V, 750kHz,
LOAD TRANSIENT IS FROM 1A TO 4A
LX: 5V/div
I
L
: 2A/div
I
OUT
: 2A/div
OUTPUT VOLTAGE DISTRIBUTION
SET = GND (FB = 0.754V)
MAX17083 toc10
OUTPUT VOLTAGE (V)
SAMPLE PERCENTAGE (%)
30
35
40
25
20
15
10
5
0
0.750
0.751
0.752
0.753
0.754
0.755
0.756
0.757
0.758
0.759
0.760
T
A
= +85
°C
T
A
= +25
°C
SAMPLE SIZE = 100
LOAD REGULATION DISTRIBUTION
MAX17083 toc11
LOAD REGULATION (mV/A)
SAMPLE PERCENTAGE (%)
30
35
40
25
20
15
10
5
0
2.0
2.4
2.8
3.2
3.6
4.0
4.4
4.8
5.2
5.6
6.0
T
A
= +85
°C
T
A
= +25
°C
SAMPLE SIZE = 100
PEAK CURRENT-LIMIT DISTRIBUTION
MAX17083 toc12
PEAK CURRENT LIMIT (A)
SAMPLE PERCENTAGE (%)
25
20
15
10
5
0
5.50
5.70
5.90
6.10
6.30
6.50
6.70
6.90
7.10
7.30
7.50
T
A
= +85
°C
T
A
= +25
°C
SAMPLE SIZE = 100