MAX1708EEE-T 데이터 시트보기 (PDF) - Maxim Integrated
부품명
상세내역
제조사
MAX1708EEE-T Datasheet PDF : 13 Pages
| |||
High-Frequency, High-Power, Low-Noise,
Step-Up DC-DC Converter
Typical Operating Characteristics (continued)
(Circuit of Figure 1, TA = +25°C, unless otherwise noted.)
STARTUP VOLTAGE vs. LOAD CURRENT
(VOUT = 5V)
1.8
1.6
1.4
1.2 TA = -40°C
1.0 TA = +25°C
0.8 TA = +85°C
0.6
0.4
0.2
0
1
10
100
1000 10,000
LOAD CURRENT (mA)
4000
3500
3000
2500
2000
1500
1000
500
0
0.1
NOISE vs. FREQUENCY
RESOLUTION = 1kHz
1
10
FREQUENCY (MHz)
STARTUP VOLTAGE vs. LOAD CURRENT
(VOUT = 3.3V)
2.5
2.0
1.5
TA = -40°C
1.0 TA = +25°C
TA = +85°C
0.5
0
1
10
100
1000 10,000
LOAD CURRENT (mA)
SWITCH CURRENT LIMIT
vs. SS/LIM RESISTANCE
5
4
3
2
1
0
0 50 100 150 200 250 300
SS/LIM RESISTANCE (kΩ)
SWITCHING FREQUENCY
vs. TEMPERATURE
2
PLOT NORMALIZED TO 25°C
1
0
-1
VOUT = 3.3V
-2
-40 -15
10
35
60
85
TEMPERATURE (°C)
SWITCH CURRENT LIMIT
vs. TEMPERATURE
6.0
5.5
5.0
4.5
VIN = 3.3V, VOUT = 5V
4.0
-40 -15
10
35
60
85
TEMPERATURE (°C)
5V
VLX
5V/div
0
HEAVY SWITCHING WAVEFORM
MAX1708 toc11
3.5V
VIN
500mV/div 3V
LINE TRANSIENT RESPONSE
MAX1708 toc12
IL 4A
2A/div 2A
0
VOUT 5V
AC-COUPLED
50mV/div
1µs/div
VOUT 5V
AC-COUPLED
50mV/div
100µs/div
6 _______________________________________________________________________________________
Share Link: 