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MAX38801

更新时间： 2024-01-24 20:16:43

品牌	Logo	应用领域
美信 - MAXIM		/
页数	文件大小	规格书
28页	2327K
描述
Integrated, Step-Down Switching Regulator With Selectable Applications Configurations

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技术参数
数据手册

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MAX38801 技术参数

是否Rohs认证：	符合	生命周期：	Active
包装说明：	,	Reach Compliance Code：	compliant
风险等级：	2.28	模拟集成电路 - 其他类型：	SWITCHING REGULATOR
峰值回流温度（摄氏度）：	NOT SPECIFIED	处于峰值回流温度下的最长时间：	NOT SPECIFIED
Base Number Matches：	1

MAX38801 数据手册

MAX38801

Integrated, Step-Down Switching Regulator With

Selectable Applications Conﬁgurations

Electrical Characteristics

= 1.8V ±5%, unless otherwise specified.)

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

1.8

MAX

UNITS

SUPPLY VOLTAGES, SUPPLY CURRENT, TEMPERATURE RANGE

12V Supply Voltage Range

1.8V Supply Voltage Range

Note 7

6.5

1.89

DDH

Note 7

1.71

CCM (Note 7)

DCM (Note 7)

Shutdown (Note 7)

µA

Supply Current

132

REF

0.6

Programmable Reference

Voltage

See Table 3 (Note 8)

T = 35°C (Note 4)

0.95

Tolerance (V

)

REF_TOL

-0.5

+0.5

REF

Tolerance Temperature

0°C < TJ < 100°C (Note 4)

0.0106

%/°C

Coefﬁcient (V

)

REFT_COEFF

FEEDBACK LOOP

1.05

2.1

GAIN

Gain

See Table 3 (Note 8)

mV/A

SENSE

SWITCHING FREQUENCY

Relative to the nominal value

(see Figure 7).

Switching Frequency Accuracy

-25

0A < I

< full load V

LOAD

±10% (Note 7)

DDH

Low f

Threshold

DCM enabled

DCM enabled. The low f

kHz

Forced Minimum f

threshold has been crossed.

INPUT PROTECTION

Rising V

UVLO Threshold

5.8

5.2

6.2

5.5

6.5

5.9

DDH

Note 7

DDH

Falling V

DDH

UVLO

Hysteresis

Rising V

700

14.8

14.3

500

1.62

1.57

OVLO Threshold

14.2

13.8

15.4

14.8

DDH

Note 7

DDH

Falling V

DDH

OVLO

Hysteresis

Rising V

UVLO Threshold

1.46

1.43

1.70

1.68

Falling V

UVLO

Hysteresis

Rising UVLO Threshold

Falling UVLO Threshold

Hysteresis

1.49

1.41

1.57

1.52

1.70

1.63

UVLO

BST

Maxim Integrated

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