MAX1715EEI(2000) Просмотр технического описания (PDF) - Maxim Integrated
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MAX1715EEI
(Rev.:2000)
(Rev.:2000)
Maxim Integrated
MAX1715EEI Datasheet PDF : 28 Pages
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Ultra-High Efficiency, Dual Step-Down
Controller for Notebook Computers
_____________________________Typical Operating Characteristics (continued)
(Circuit of Figure 1, components from Table 1, VIN = +15V, SKIP = AGND, TON = unconnected, TA = +25°C, unless otherwise noted.)
FREQUENCY vs. TEMPERATURE
(2.5V, 4A COMPONENTS, SKIP = HIGH)
300
NO-LOAD SUPPLY CURRENT vs. INPUT VOLTAGE
(OUT1 = 1.8V, 4A COMPONENTS;
OUT2 = 2.5V, 4A COMPONENTS; SKIP = GND)
700
NO-LOAD SUPPLY CURRENT vs. INPUT VOLTAGE
(OUT1 = 1.8V, 4A COMPONENTS;
OUT2 = 2.5V, 4A COMPONENTS; SKIP = VCC)
12
250
200
150
100
50
0
-40 -20 0
20 40 60 80
TEMPERATURE (°C)
600
500
400
300
200
100
0
0
ICC
IDD
IBATT
5 10 15 20 25 30
INPUT VOLTAGE (V)
10
IIN
8
6
IDD
4
2
ICC
0
0
5 10 15 20 25 30
INPUT VOLTAGE (V)
LOAD-TRANSIENT RESPONSE
(2.5V, 4A COMPONENTS, SKIP = GND)
START-UP WAVEFORM
(2.5V, 4A COMPONENTS, ACTIVE LOAD)
LOAD-TRANSIENT RESPONSE
(1.3V, 8A COMPONENTS, SKIP = GND)
A
A
A
B
B
B
C
C
C
A = VOUT, AC-COUPLED, 100mV/div
B = INDUCTOR CURRENT, 2A/div
C = DL, 10V/div
A = VOUT, 2V/div
B = INDUCTOR CURRENT, 2A/div
C = DL, 10V/div
A = VOUT, AC-COUPLED, 100mV/div
B = INDUCTOR CURRENT, 5A/div
C = DL, 10V/div
OUTPUT OVERLOAD WAVEFORM
(2.5V, 4A COMPONENTS, SKIP = GND)
SHUTDOWN WAVEFORM
(2.5V, 4A COMPONENTS, SKIP = GND)
A
A
B
B
C
C
A = VOUT, 2V/div
B = INDUCTOR CURRENT, 5A/div
C = DL, 10V/div
A = VOUT, 2V/div
B = INDUCTOR CURRENT, 5A/div
C = DL, 10V/div
_______________________________________________________________________________________ 7
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