 English |
|
|
|
|
|
|
|
| MAX1536 Datasheet, PDF (7/19 Pages) Maxim Integrated Products – 3.6A, 1.4MHz, Low-Voltage, Internal-Switch Step-Down Regulator with Dynamic Output Voltage Control | |||
| |||
| ◁ |
3.6A, 1.4MHz, Low-Voltage, Internal-Switch Step-
Down Regulator with Dynamic Output Voltage Control
Typical Operating Characteristics (continued)
(MAX1536 Circuit of Figure 1, TA = +25°C, unless otherwise noted.)
STARTUP AND SHUTDOWN
(HEAVY LOAD)
MAX1536 toc10
VSHDN
5V/div
VPGOOD
5V/div
STARTUP AND SHUTDOWN
(LIGHT LOAD)
MAX1536 toc11
VSHDN
5V/div
VPGOOD
5V/div
ILX
2A/div
VOUT
1V/div
ILX
1A/div
VOUT
1V/div
400μs/div
VIN = 3.3V, VOUT = 1.8V, RLOAD = 0.5Ω
LOAD-TRANSIENT RESPONSE
(PWM MODE)
MAX1536 toc12
IOUT
2A/div
400μs/div
VIN = 3.3V, VOUT = 1.8V, RLOAD = 3Ω
LOAD-TRANSIENT RESPONSE
(IDLE MODE)
MAX1536 toc13
IOUT
2A/div
ILX
2A/div
VOUT
50mV/div
VLX
5V/div
ILX
2A/div
VOUT
50mV/div
VLX
5V/div
20μs/div
VIN = 3.3V, VOUT = 1.8V, IOUT = 0.1A TO 3A TO 0.1A
DYNAMIC OUTPUT-VOLTAGE TRANSITION
(IDLE MODE)
MAX1536 toc14
VGATE
5V/div
VLX
5V/div
20μs/div
VIN = 3.3V, VOUT = 1.8V, IOUT = 0.1A TO 3A TO 0.1A
REFERENCE VOLTAGE
vs. TEMPERATURE
2.002
VIN = 3.3V
IREF = 0
2.001
IREF = 25μA
2.000
0
20μs/div
VIN = 3.3V, VOUT = 1.5V TO 1.8V TO 1.5V,
FBLANK = REF, ILOAD = 0.1A
VOUT
200mV/div
VREFIN
200mV/div
ILX
5A/div
1.999
1.998
1.997
IREF = 50μA
1.996
-40 -15
10
35
60
85
TEMPERATURE (°C)
_______________________________________________________________________________________ 7
|
▷ |
German
Russian
Spanish
Italian
Polish
Chinese
Japanese
Korean
French
Portuguese