Rainbow Electronics MAX1715 - Manual (Page 7)

300
200
250
150
100
50
0
-40 0 -20 40 20 60 80
MAX1715-12
TEMPERATURE ( °C)
FREQUENCY (kHz)
FREQUENCY vs. TEMPERATURE
(2.5V, 4A COMPONENTS, SKIP = HIGH)
C
A
B
MAX1715-16
A = V OUT , 2V/div
B = INDUCTOR CURRENT, 2A/div
C = DL, 10V/div
START-UP WAVEFORM
(2.5V, 4A COMPONENTS, ACTIVE LOAD)
700
500
600
400
300
100
200
0
0 10 5 20 15 25 30
MAX1715-13
INPUT VOLTAGE (V)
SUPPLY CURRENT (
µ
A)
NO-LOAD SUPPLY CURRENT vs. INPUT VOLTAGE
(OUT1 = 1.8V, 4A COMPONENTS;
OUT2 = 2.5V, 4A COMPONENTS; SKIP = GND)
I DD
I CC
I BATT
12
8
10
6
4
2
0
0 10 5 20 15 25 30
MAX1715-14
INPUT VOLTAGE (V)
SUPPLY CURRENT (mA)
NO-LOAD SUPPLY CURRENT vs. INPUT VOLTAGE
(OUT1 = 1.8V, 4A COMPONENTS;
OUT2 = 2.5V, 4A COMPONENTS; SKIP = V CC )
I DD
I CC
I IN
C
A
B
MAX1715-17
A = V OUT , AC-COUPLED, 100mV/div
B = INDUCTOR CURRENT, 5A/div
C = DL, 10V/div
LOAD-TRANSIENT RESPONSE
(1.3V, 8A COMPONENTS, SKIP = GND)
MAX1715
Ultra-High Efficiency, Dual Step-Down
Controller for Notebook Computers
_______________________________________________________________________________________ 7
_____________________________Typical Operating Characteristics (continued)
(Circuit of Figure 1, components from Table 1, V
IN
= +15V, SKIP = AGND, TON = unconnected, T A = +25°C, unless otherwise noted.)
C
A
B
MAX1715-19
A = V
OUT
, 2V/div
B = INDUCTOR CURRENT, 5A/div
C = DL, 10V/div
SHUTDOWN WAVEFORM
(2.5V, 4A COMPONENTS, SKIP = GND)
C
A
B
MAX1715-18
A = V OUT , 2V/div
B = INDUCTOR CURRENT, 5A/div
C = DL, 10V/div
OUTPUT OVERLOAD WAVEFORM
(2.5V, 4A COMPONENTS, SKIP = GND)
C
A
B
MAX1715-15
A = V OUT , AC-COUPLED, 100mV/div
B = INDUCTOR CURRENT, 2A/div
C = DL, 10V/div
LOAD-TRANSIENT RESPONSE
(2.5V, 4A COMPONENTS, SKIP = GND)