MAX1715 Maxim, MAX1715 Datasheet - Page 7

• Manufacturer Part Number: MAX1715
• Description: Ultra-High Efficiency / Dual Step-Down Controller for Notebook Computers
• Manufacturer: Maxim

(Circuit of Figure 1, components from Table 1, V
_____________________________Typical Operating Characteristics (continued)
300
250
200
150
100
50
0
-40
C
A
B
(2.5V, 4A COMPONENTS, SKIP = HIGH)
A = V
B = INDUCTOR CURRENT, 2A/div
C = DL, 10V/div
(2.5V, 4A COMPONENTS, SKIP = GND)
FREQUENCY vs. TEMPERATURE
-20
OUT
LOAD-TRANSIENT RESPONSE
, AC-COUPLED, 100mV/div
TEMPERATURE (°C)
0
A
B
C
_______________________________________________________________________________________
20
A = V
B = INDUCTOR CURRENT, 5A/div
C = DL, 10V/div
(2.5V, 4A COMPONENTS, SKIP = GND)
OUTPUT OVERLOAD WAVEFORM
OUT
40
Ultra-High Efficiency, Dual Step-Down
, 2V/div
60
Controller for Notebook Computers
80
700
600
300
500
400
200
100
NO-LOAD SUPPLY CURRENT vs. INPUT VOLTAGE
IN
A
B
C
OUT2 = 2.5V, 4A COMPONENTS; SKIP = GND)
0
(2.5V, 4A COMPONENTS, ACTIVE LOAD)
0
= +15V, SKIP = AGND, TON = unconnected, T
A = V
B = INDUCTOR CURRENT, 2A/div
C = DL, 10V/div
(OUT1 = 1.8V, 4A COMPONENTS;
OUT
5
, 2V/div
START-UP WAVEFORM
INPUT VOLTAGE (V)
10
I
CC
15
C
A
B
I
BATT
A = V
B = INDUCTOR CURRENT, 5A/div
C = DL, 10V/div
(2.5V, 4A COMPONENTS, SKIP = GND)
20
OUT
, 2V/div
SHUTDOWN WAVEFORM
25
I
DD
30
NO-LOAD SUPPLY CURRENT vs. INPUT VOLTAGE
12
10
A
B
C
8
6
0
OUT2 = 2.5V, 4A COMPONENTS; SKIP = V
4
2
0
A = V
B = INDUCTOR CURRENT, 5A/div
C = DL, 10V/div
A
(1.3V, 8A COMPONENTS, SKIP = GND)
= +25°C, unless otherwise noted.)
(OUT1 = 1.8V, 4A COMPONENTS;
OUT
LOAD-TRANSIENT RESPONSE
5
, AC-COUPLED, 100mV/div
INPUT VOLTAGE (V)
10
15
20
I
IN
I
I
DD
CC
25
30
CC
)
7