Datasheet > MAX38801

MAX38801

更新时间： 2024-02-03 03:32:58

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

Typical Operating Characteristics

= 12V, V

= 1.8V, f

Setting #6, 900kHz, C

= 15 x 22µF, unless otherwise noted. L

= 680nH for V ≥ 2.5V,

OUT

DDH

OUT

= 200nH for V

≤ 1.8V)

OUT

Efficiency vs. Load Current – Full-Scale

Efficiency vs. Load Current – Light-Load

98%

96%

94%

92%

90%

88%

86%

84%

82%

80%

78%

76%

74%

72%

70%

98%

96%

94%

92%

90%

88%

86%

84%

82%

80%

78%

76%

74%

72%

70%

Solid Line: DCM Enabled

Dotted Line: DCM Disabled

V_OUT= 5V

V_OUT= 3.3V

V_OUT= 2.5V

V_OUT= 1.8V

V_OUT= 1.05V

V_OUT= 0.6V

V_OUT= 3.3V

V_OUT= 2.5V

V_OUT= 1.8V

V_OUT= 1.05V

Solid Line: DCM Enabled

Dotted Line: DCM Disabled

V_OUT= 0.6V

0.1

10 11 12 13 14 15

Load Current (A)

Power Dissipation vs. Load Current – Full-Scale

Power Dissipation vs. Load Current – Light-Load

7.0

6.0

5.0

4.0

3.0

2.0

1.0

0.0

V_OUT= 5V

V_OUT= 3.3V

V_OUT= 2.5V

V_OUT= 1.8V

V_OUT= 1.05V

V_OUT= 0.6V

V_OUT= 5V

V_OUT= 3.3V

V_OUT= 2.5V

V_OUT= 1.8V

V_OUT= 1.05V

V_OUT= 0.6V

Solid Line: DCM Enabled

Dotted Line: DCM Disabled

Solid Line: DCM Enabled

Dotted Line: DCM Disabled

0.1

10 11 12 13 14 15

Load Current (A)

Safe Operating Area (SOA)

Load Regulation

0.3%

0.2%

0.1%

= 5V

OUT

= 3.3V

= 2.5V

= 1.8V

= 1.05V

= 0.6V

-0.1%

-0.2%

-0.3%

= 25°C / 250LFM / No Heatsink

= 25°C / 0LFM / No Heatsink

= 55°C / 250LFM / No Heatsink

= 55°C / 0LFM / No Heatsink

0.5

1.5

2.5

3.5

(V)

4.5

5.5

10 11 12 13 14 15

Load Current (A)

OUT

Maxim Integrated

│ 7

www.maximintegrated.com

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