Datasheet > MAX38800

MAX38800

更新时间： 2023-12-20 18:44:52

品牌	Logo	应用领域
亚德诺 - ADI		开关稳压器
页数	文件大小	规格书
28页	1908K
描述
具有可选应用配置的集成降压型开关稳压器

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MAX38800 数据手册

MAX38800

Integrated, Step-Down Switching Regulator With

Selectable Applications Conﬁgurations

Electrical Characteristics (continued)

= 1.8V ±5%, V

= 12V unless otherwise specified. Limits are 100% tested at T = +25°C and T = +85°C. Limits over the

DDH A A

operating temperature range and relevant supply voltage range are guaranteed by design and characterization.)

PARAMETER

PGM PIN

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNITS

Capacitor Range

Three options

820

+20

C_SEL Capacitor Accuracy

-20

C_SEL

Load and stray capacitance in

addition to C_SEL

External Capacitance

SYSTEM SPECIFICATIONS (NOTE 7)

Peak-to-Peak Output Ripple

Voltage, DCM Disabled

-0.5

-1

+0.5

OUT-RIPL

Peak-to-Peak Input Ripple

Voltage

= 10.8V - 13.2V

IN-RIPL

DDH

Line Regulation

0.15

+0.5

DDH

Load Regulation (Static)

= 0 - IMAX

-0.5

-3

OUT

= 10.8V - 13.2V, I

DDH

OUT

Step 5.8A at 20A/µs, 1kHz to

1MHz repetition rate, 10% to

90% Duty Cycle

Load Regulation (Dynamic)

Note 4: To calculate the total V

tolerance over a temperature variation of ΔT:

REF

= V

+ ∆T × V

REF(TOL_TOT)

REF(TOL) REF(T_COEFF)

Note 5: Min/max limits are ≥ 4σ about the mean.

Note 6: The OCP hysteresis is for positive current OCP only, negative current OCP hysteresis is always 0.

Note 7: Tested using circuit of Reference Schematic with C = 15 x 22µF. V = 1.05V. Not guaranteed; for reference only.

OUT

Note 8: Denotes specifications that apply over the temperature range of T = 0°C to 125°C. Otherwise, specifications are for T = 32°C.

Note 9: Denotes parameters that are programmable.

Maxim Integrated

│ 6

www.maximintegrated.com

1...3 4 567 8 9...28

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