Datasheet > MPQ4415MGQB

MPQ4415MGQB

更新时间： 2022-02-26 11:44:54

品牌	Logo	应用领域
芯源 - MPS		/
页数	文件大小	规格书
22页	1819K
描述
1.5A, 36V, 2.2MHz, High-Efficiency, Synchronous, Step-Down Converter AEC-Q100 Qualified

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MPQ4415MGQB 数据手册

MPQ4415M – 36V, 1.5A, 2.2MHz, SYNCHRONOUS, STEP-DOWN CONVERTER

ELECTRICAL CHARACTERISTICS

V_IN= 12V, V_EN= 2V, T_J= -40°C to +125°C, unless otherwise noted, typical values are at T_J= +25°C.

Parameter

Symbol

Condition

Min

Typ

Max

Units

Supply current (shutdown)

I_SHDN

V_EN= 0V

μA

V_EN= 2V, V_FB= 1V,

no switching

Supply current (quiescent)

I_Q

0.6

0.8

HS switch on resistance

LS switch on resistance

Switch leakage

R_{ON HS}

R_{ON LS}

I_SW

V_BST-SW= 5V

155

105

mΩ

μA

V_CC= 5V

LKG

V_EN= 0V, V_SW= 12V

20% duty cycle

Current limit ⁽⁵⁾

I_LIMIT

2.4

1.7

4.0

2.5

6.0

3.5

Low-side valley current limit

Reverse current limit

Oscillator frequency

1.2

f_SW

f_FB

V_FB= 700mV

V_FB= 200mV

V_FB= 700mV

1800

2200

2600

kHz

Foldback frequency during soft

start ⁽⁵⁾

0.2

f_SW

Maximum duty cycle

Minimum on time ⁽⁵⁾

D_MAX

τ_{ON MIN}

Synchronous frequency range

f_SYNC

V_FB

I_FB

450

795

790

2200

819

824

kHz

T_J= +25°C

807

1.45

Feedback voltage

T_J= -40°C to +125°C

V_FB= 820mV

Feedback current

EN/SYNC rising threshold

EN/SYNC falling threshold

EN/SYNC threshold hysteresis

V_{EN RISING}

1.1

0.7

1.8

VEN_FALLING

1.3

V_{EN HYS}

450

μA

μs

V_EN= 2V

V_EN= 0V

EN/SYNC input current

EN turn off delay

I_EN

0.2

V_INunder-voltage lockout

threshold rising

INUV_RISING

INUV_HYS

3.5

3.8

V_INunder-voltage lockout

threshold hysteresis

330

PG rising threshold

PG falling threshold

PG threshold hysteresis

PG rising delay

PG_{Vth RISING}

PG_{Vth FALLING}

PG_{Vth HYS}

PG_{TD RISING}

PG_{TD FALLING}

V_PG

I_{PG LKG}

V_CC

As a percentage of V_FB

160

0.4

100

5.2

μs

PG falling delay

PG sink current capability

PG leakage current

VCC regulator

Sink 4mA

4.9

1.5

170

I_CC= 0mA

4.6

VCC load regulation

I_CC= 5mA

Soft-start time

t_SS

V_OUTfrom 10% to 90%

0.45

°C

Thermal shutdown ⁽⁵⁾

Thermal hysteresis ⁽⁵⁾

NOTE:

5) Derived from bench characterization. Not tested in production.

MPQ4415M Rev. 1.01

9/30/2017

www.MonolithicPower.com

MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited.

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