MAX1797EUA+T

更新时间： 2024-02-05 02:09:58

品牌	Logo	应用领域
美信 - MAXIM		转换器
页数	文件大小	规格书
13页	398K
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中文翻译

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数据手册
替代型号

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MAX1797EUA+T 数据手册

Low Supply Current, Step-Up DC-DC Converters

with True-Shutdown

Typical Operating Characteristics (continued)

(L = 22µH, C = 47µF, C

= 47µF, T = +25°C, unless otherwise noted.)

OUT

MAX1795

MAXIMUM OUTPUT CURRENT

vs. BATT INPUT VOLTAGE

LOW-BATTERY INPUT THRESHOLD

vs. TEMPERATURE

LOW-BATTERY INPUT THRESHOLD

vs. INPUT BATT VOLTAGE

0.950

0.925

0.900

0.875

0.850

0.825

0.800

0.950

0.925

0.900

0.875

0.850

0.825

0.800

250

200

150

100

= +3.6V

BATT

= +3.3V

OUT

INCREASING V

DECREASING V

LBI

INCREASING V

LBI

= +5.0V

OUT

LBI

DECREASING V

LBI

-40

-15

0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5

BATT VOLTAGE (V)

0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5

BATT VOLTAGE (V)

TEMPERATURE (°C)

MAX1797

MAX1796

MAXIMUM OUTPUT CURRENT

vs. BATT INPUT VOLTAGE

MAXIMUM OUTPUT CURRENT

vs. BATT INPUT VOLTAGE

1000

500

400

300

200

100

800

600

400

200

= +3.3V

OUT

= +3.3V

OUT

= +5.0V

OUT

0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5

BATT VOLTAGE (V)

0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5

BATT VOLTAGE (V)

OUT LEAKAGE CURRENT

vs. OUTPUT VOLTAGE

HEAVY-LOAD SWITCHING WAVEFORMS

MAX1795/96/97 toc16

2.0

1.6

1.2

0.8

0.4

SHDN = BATT

= +5V

5V/div

OUT

BATT

= +2.4V

INDUCTOR

500mA/div

OUT

(AC-COUPLED)

OUT BIASED WITH

EXTERNAL VOLTAGE

SOURCE

100mV/div

4.00µs/div

0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5

OUTPUT VOLTAGE (V)

= +3.6V

= +5.0V

OUT

LOAD

= 400mA

_______________________________________________________________________________________

1...3 4 567 8 9...13

中文翻译

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MAX1797EUA+T 替代型号

型号	品牌	替代类型	描述	数据表
MAX1797EUA+	MAXIM	功能相似	Switching Regulator, Voltage-mode, 1.5A, 500kHz Switching Freq-Max, BICMOS, PDSO8, UMAX-8
MAX1797EUA	MAXIM	功能相似	Low Supply Current, Step-Up DC-DC Converters with True-Shutdown

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