MAX8561 查看數據表（PDF） - Maxim Integrated
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MAX8561 Datasheet PDF : 12 Pages
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4MHz, 500mA Synchronous Step-Down
DC-DC Converters in Thin SOT and TDFN
Typical Operating Characteristics (continued)
(VIN = 3.6V, VOUT = 1.2V, L = 1µH (LQH32CN1R0M53), COUT = 2.2µF, TA = +25°C, unless otherwise noted.)
LIGHT-LOAD SOFT-START WAVEFORMS
MAX8560 toc12
100Ω LOAD
VOUT
1V/div
IIN
200mA/div
HEAVY-LOAD SOFT-START WAVEFORMS
MAX8560 toc13
3Ω LOAD
VOUT
1V/div
IIN
200mA/div
20µs/div
IL
200mA/div
0
VSHDN
2V/div
20µs/div
IL
200mA/div
0
VSHDN
2V/div
LINE-TRANSIENT RESPONSE
MAX8560 toc14
5Ω LOAD
VOUT
20mV/div
VIN = 4.0V
VIN = 3.5V
IL
200mA/div
0
VIN
500mV/div
2µs/div
LOAD-TRANSIENT RESPONSE
MAX8560 toc15
VOUT
50mV/div
OUTPUT-VOLTAGE TRANSIENT RESPONSE
(MAX8561)
MAX8560 toc16
VOUT = 1.5V
VOUT = 1.0V
VOUT
500mV/div
500mA LOAD
20mA LOAD
IL
500mA/div
0
ILOAD
500mA/div
20mA LOAD
7.5Ω LOAD, L = 2.2µH
IL
200mA/div
0
VODI
2V/div
2µs/div
40µs/div
BYPASS-FET TRANSIENT RESPONSE
(MAX8562)
MAX8560 toc17
VOUT = VIN
VOUT = 1.2V
VOUT
2V/div
0
IL
500mA/div
0
7.5Ω LOAD
20µs/div
VODI
2V/div
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