MAX17000A Maxim Integrated Products, MAX17000A Datasheet - Page 8

• Manufacturer Part Number: MAX17000A
• Description: Complete DDR2 and DDR3 Memory Power-Management Solution
• Manufacturer: Maxim Integrated Products

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Complete DDR2 and DDR3 Memory
Power-Management Solution
(MAX17000A Circuit of Figure 1, V
8
1.51
1.50
1.49
100
_______________________________________________________________________________________
90
80
70
60
50
40
30
20
10
0.001
0.01
STDBY = HIGH
STDBY = LOW
SKIP MODE
SKIP MODE
PWM MODE
SMPS 1.5V OUTPUT VOLTAGE
SKIP MODE
SMPS 1.5V EFFICIENCY
0.01
vs. LOAD CURRENT
vs. LOAD CURRENT
LOAD CURRENT (A)
0.1
LOAD CURRENT (A)
0.01
100
0.1
10
1
STDBY = HIGH OR LOW
0.1
4
STDBY = HIGH, SKIP MODE, I
STDBY = LOW, SKIP MODE, I
PWM MODE
1
NO-LOAD SUPPLY CURRENT
8
1
PWM MODE, I
V
vs. INPUT VOLTAGE
IN
V
PWM MODE, I
IN
INPUT VOLTAGE (V)
SKIP MODE, I
= 12V
IN
12
= 7V
= 12V, V
10
10
16
CC
+ I
IN
IN
DD
CC
CC
DD
20
+ I
+ I
350
300
250
200
150
100
DD
= V
100
DD
50
90
80
70
60
50
40
30
20
10
NO LOAD
0
24
0.01
CC
0
STDBY = LOW
SKIP MODE
STDBY = HIGH
PWM MODE
= 5V, SKIP = GND, T
SKIP MODE
SKIP MODE
SMPS SWITCHING FREQUENCY
28
2
SMPS 1.5V EFFICIENCY
vs. LOAD CURRENT
vs. LOAD CURRENT
LOAD CURRENT (A)
0.1
LOAD CURRENT (A)
4
STDBY = HIGH OR LOW
Typical Operating Characteristics
PWM MODE
6
1
A
V
V
IN
OUT
50
40
30
20
10
V
= +25°C, unless otherwise noted.)
8
0
IN
= 12V
= 1.5V
= 12V
1.490
SAMPLE SIZE = 150
10
10
VOLTAGE DISTRIBUTION
1.495
PRESET 1.5V OUTPUT
OUTPUT VOLTAGE (V)
10.50
10.25
10.00
9.75
9.50
100
90
80
70
60
50
40
30
20
10
1.500
0.01
4
R
STDBY = LOW
SENSE
STDBY = HIGH
SKIP MODE
SKIP MODE
SMPS VALLEY-CURRENT LIMIT
T
T
8
1.505
A
A
= 2mΩ
= +85°C
= +25°C
SMPS 1.5V EFFICIENCY
vs. INPUT VOLTAGE
vs. LOAD CURRENT
INPUT VOLTAGE (V)
0.1
LOAD CURRENT (A)
12
1.510
16
STDBY = HIGH OR LOW
PWM MODE
20
1
V
IN
24
= 20V
28
10