Typical operating characteristics (continued) – Rainbow Electronics MAX17480 User Manual
Page 12
MAX17480
AMD 2-/3-Output Mobile Serial
VID Controller
12
______________________________________________________________________________________
Typical Operating Characteristics (continued)
(
Circuit of Figure 2, V
IN
= 12V, V
DD
= V
CC
= 5V, V
DDIO
= 2.5V, T
A
= +25
°C, unless otherwise noted
.)
MAXIMUM INDUCTOR CURRENT
vs. INPUT VOLTAGE
MAX17480 toc10
INPUT VOLTAGE (V)
INDUCTOR CURRENT (A)
20.0
17.5
12.5
15.0
10.0
7.5
23
25
27
29
31
21
5.0
V
OUT
= 1.2V
PEAK CURRENT
DC CURRENT
NO-LOAD SUPPLY CURRENT
vs. INPUT VOLTAGE
MAX17480 toc11
INPUT VOLTAGE (V)
SUPPLY CURRENT (mA)
24
21
18
15
12
9
6
0.1
1
10
100
0.01
3
SKIP MODE
PWM MODE
I
IN
I
IN
I
CC
+ I
DD
I
CC
+ I
DD
V
OUT
= 1.2V
CORE SMPS VID = 1.2V
OUTPUT VOLTAGE DISTRIBUTION
MAX17480 toc12
OUTPUT VOLTAGE (V)
SAMPLE PERCENTAGE (%)
10
20
30
40
50
60
90
80
70
0
1.195
1.196
1.197
1.198
1.199
1.200
1.201
1.202
1.203
1.204
1.205
T
A
= +85
°C
T
A
= +25
°C
SAMPLE SIZE = 100
NB SMPS VID = 1.2V
OUTPUT VOLTAGE DISTRIBUTION
MAX17480 toc13
OUTPUT VOLTAGE (V)
SAMPLE PERCENTAGE (%)
10
20
30
40
50
70
60
0
1.195
1.196
1.197
1.198
1.199
1.200
1.201
1.202
1.203
1.204
1.205
SAMPLE SIZE = 100
T
A
= +85
°C
T
A
= +25
°C
G
m(FBAC)
TRANSCONDUCTANCE
DISTRIBUTION
MAX17480 toc14
TRANSCONDUCTANCE (
µS)
SAMPLE PERCENTAGE (%)
5
10
15
20
25
30
0
1985
1988
1991
1994
1997
2000
2003
2006
2009
2012
2015
SAMPLE SIZE = 100
+85
°C
+25
°C
NB SMPS PEAK
CURRENT-LIMIT DISTRIBUTION
MAX17480 toc15
PEAK CURRENT LIMIT (A)
SAMPLE PERCENTAGE (%)
5
15
10
20
25
30
0
5.00
5.05
5.10
5.15
5.20
5.25
5.30
5.40
5.35
5.45
5.50
SAMPLE SIZE = 100
ILIM3 = V
CC
T
A
= +85
°C
T
A
= +25
°C