Datasheet > NJW4150A

NJW4150A

更新时间： 2022-02-26 13:22:25

品牌	Logo	应用领域
NJRC		/
页数	文件大小	规格书
9页	240K
描述
Internal 40V MOSFET Switching Regulator IC for Buck Converter

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数据手册

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NJW4150A 数据手册

NJW4150A

ELECTRICALCHARACTERISTICS (V⁺=V_ON/OFF=24V, Ta=25 C)

PARAMETER

SYMBOL

TESTCONDITION

MIN.

TYP.

MAX.

UNIT

Under Voltage Lockout Block

ON Threshold Voltage

OFF Threshold Voltage

Hysteresis Voltage

V_{T_ON}

V_{T_OFF}

V_HYS

V⁺= L→ H

V⁺= H → L

5.6

5.4

5.9

5.7

6.2

6.0

–

150

200

Soft Start Block

Soft StartTime

t_SS

V_B=0.95V

Oscillator Block

Aversion

V_IN-=0.9V, V_FB=0.5V

Oscillating Frequency

f_OSC

f_{OSC_LIM}

f_DV

900

–

1,000

333

1,100

kHz

Oscillating Frequency

OCP operates

Oscillating Frequency deviation

(Supply voltage)

Oscillating Frequency deviation

(Temperature)

V_IN-=0V, V_FB=0.5V

V⁺=6.2V to 40V

–

f_DT

–

Ta=-40 C to +85 C

ErrorAmplifier Block

Reference Voltage

Input Bias Current

V_B

I_B

-1.0%

-0.1

1.00

–

+1.0%

0.1

PWM Comparator Block

Maximum Duty Cycle

M_AXD_UTYV_IN-=0.9V

100

–

Output Block

Output ON Resistance

Switching Current Limit

R_ON

I_LIM

I_SW=300mA

–

1.0

1.45

750

450

600

V_ON/OFF=0V, V⁺=40V,

V_SW=0V

SW Leak Current

I_LEAK

–

ON/OFF Block

ON Control Voltage

OFF Control Voltage

V_ON

V_ON/OFF= L→ H

V_ON/OFF= H → L

1.6

–

V⁺

V_OFF

0.3

General Characteristic

Quiescent Current

Standby Current

R_L=no load,

V_IN-= 0.9V, V_FB=0.5V

V_ON/OFF=0V

I_DD

–

2.75

–

3.1

I_{DD_STB}

Ver.2015-07-29

- 4 -

1 2 345 6 7...9

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