參數(shù)資料
型號： MAX1549ETL+
廠商： MAXIM INTEGRATED PRODUCTS INC
元件分類： 穩(wěn)壓器
英文描述： Dual, Interleaved, Fixed-Frequency Step-Down Controller with a Dynamically Adjustable Output
中文描述： DUAL SWITCHING CONTROLLER, 450 kHz SWITCHING FREQ-MAX, PQCC40
封裝： 6 X 6 MM, 0.8 MM HEIGHT, MO220WJJD-2, QFN-40
文件頁數(shù)： 2/35頁
文件大?。?/td> 504K
代理商： MAX1549ETL+
MAX1549
Dual, Interleaved, Fixed-Frequency Step-Down
Controller with a Dynamically Adjustable Output
10
______________________________________________________________________________________
Typical Operating Characteristics (continued)
(MAX1549 circuit of Figure 1, VIN = 12V, VDD = VCC = 5V, SKIP = GND, FSEL = open, TA = +25°C, unless otherwise noted.)
2.5V OUTPUT LOAD TRANSIENT
(FORCED PWM)
MAX1549 toc19
4A
12V
2.50V
B
D
C
A
40
s/div
0
4A
A: IOUT2 = 0 TO 4A, 5A/div
B: VOUT2 = 2.5V, 100mV/div
SKIP = VCC
C: INDUCTOR CURRENT, 5A/div
D: LX2, 10V/div
0
2.45V
2.55V
2.5V OUTPUT LOAD TRANSIENT
(PULSE SKIPPING)
MAX1549 toc20
4A
12V
2.50V
B
D
C
A
20
s/div
0
4A
A: IOUT2 = 0.2A TO 4A, 5A/div
B: VOUT2 = 2.5V, 50mV/div
SKIP = GND
C: INDUCTOR CURRENT, 5A/div
D: LX2, 10V/div
0
2.55V
OUTPUT OVERLOAD
(UVP ENABLED)
MAX1549 toc21
5V
0
B
D
C
A
40
s/div
0
5A
A: PGOOD2, 5V/div
B: LOAD (2.5A TO 10A), 10A/div
C: 2.5V OUTPUT, 2V/div
D: INDUCTOR CURRENT, 5A/div
E: DL2, 5V/div
0
10A
E
2.5V
0
MAX1549 DYNAMIC OUTPUT VOLTAGE
TRANSITION (CREFIN = 100pF)
MAX1549 toc22
3.3V
5A
1.0V
B
D
C
A
40
s/div
0
12V
A: GATE, 5V/div
B: REFIN1, 0.5V/div
C: OUT1 (1.0V TO 1.5V), 0.5V/div
200mA LOAD, SKIP = GND
D: LX1, 10V/div
E: INDUCTOR CURRENT, 10A/div
0
1.5V
E
1.5V
1.0V
-5A
MAX1549 DYNAMIC OUTPUT VOLTAGE
TRANSITION (CREFIN = 1nF)
MAX1549 toc23
3.3V
2.5A
1.0V
B
D
C
A
100
s/div
0
12V
A: GATE, 5V/div
B: REFIN1, 0.5V/div
C: OUT1 (1.0V TO 1.5V), 0.5V/div
200mA LOAD, SKIP = GND
D: LX1, 10V/div
E: INDUCTOR CURRENT, 5A/div
0
1.5V
E
1.5V
1.0V
-2.5A
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MAX1549ETL+ 功能描述:DC/DC 開關(guān)控制器 RoHS:否 制造商:Texas Instruments 輸入電壓:6 V to 100 V 開關(guān)頻率: 輸出電壓:1.215 V to 80 V 輸出電流:3.5 A 輸出端數(shù)量:1 最大工作溫度:+ 125 C 安裝風(fēng)格: 封裝 / 箱體:CPAK
MAX1549ETL+T 功能描述:DC/DC 開關(guān)控制器 RoHS:否 制造商:Texas Instruments 輸入電壓:6 V to 100 V 開關(guān)頻率: 輸出電壓:1.215 V to 80 V 輸出電流:3.5 A 輸出端數(shù)量:1 最大工作溫度:+ 125 C 安裝風(fēng)格: 封裝 / 箱體:CPAK
MAX1549ETL-T 功能描述:DC/DC 開關(guān)控制器 RoHS:否 制造商:Texas Instruments 輸入電壓:6 V to 100 V 開關(guān)頻率: 輸出電壓:1.215 V to 80 V 輸出電流:3.5 A 輸出端數(shù)量:1 最大工作溫度:+ 125 C 安裝風(fēng)格: 封裝 / 箱體:CPAK
MAX1549EVKIT 功能描述:電源管理IC開發(fā)工具 RoHS:否 制造商:Maxim Integrated 產(chǎn)品:Evaluation Kits 類型:Battery Management 工具用于評估:MAX17710GB 輸入電壓: 輸出電壓:1.8 V
MAX154ACAG 功能描述:模數(shù)轉(zhuǎn)換器 - ADC RoHS:否 制造商:Texas Instruments 通道數(shù)量:2 結(jié)構(gòu):Sigma-Delta 轉(zhuǎn)換速率:125 SPs to 8 KSPs 分辨率:24 bit 輸入類型:Differential 信噪比:107 dB 接口類型:SPI 工作電源電壓:1.7 V to 3.6 V, 2.7 V to 5.25 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-32
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