Datasheet > LM25005MH/NOPB

LM25005MH/NOPB

更新时间： 2023-09-03 20:27:56

品牌	Logo	应用领域
德州仪器 - TI		稳压器
页数	文件大小	规格书
29页	1099K
描述
7V 至 42V 宽输入电压、2.5A 电流模式非同步降压稳压器 \| PWP \| 20 \| -40 to 125

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LM25005MH/NOPB 数据手册

LM25005

SNVS411C –JANUARY 2006–REVISED MARCH 2013

www.ti.com

Electrical Characteristics

Specifications with standard typeface are for T_J= 25°C, and those with boldface type apply over full Operating Junction

Temperature range. V_IN= 24V, R_T= 32.4kΩ unless otherwise stated.⁽¹⁾

Symbol

Parameter

Conditions

Min

Typ

Max

Units

STARTUP REGULATOR

VccReg

Vcc Regulator Output

Vcc LDO Mode turn-off

6.85

7.15

7.45

Vcc Current Limit

Vcc = 0V

VCC SUPPLY

Vcc UVLO Threshold

Vcc Undervoltage Hysteresis

Bias Current (Iin)

(Vcc increasing)

5.95

6.35

6.75

FB = 1.3V

SD = 0V

4.5

µA

Shutdown Current (Iin)

SHUTDOWN THRESHOLDS

Shutdown Threshold

(SD Increasing)

0.5

0.7

0.1

0.9

Shutdown Hysteresis

Standby Threshold

(Standby Increasing)

1.18

1.225

0.1

1.27

Standby Hysteresis

SD Pull-up Current Source

µA

SWITCH CHARACTERSICS

Buck Switch Rds(on)

BOOST UVLO

160

3.8

320

mΩ

BOOST UVLO Hysteresis

Pre-charge Switch Rds(on)

Pre-charge Switch on-time

0.56

Ω

275

CURRENT LIMIT

Cycle by Cycle Current Limit

RAMP = 0V

3.5

4.25

Cycle by Cycle Current Limit Delay

RAMP = 2.5V

100

SOFT-START

OSCILLATOR

SS Current Source

µA

Frequency1

180

425

200

485

220

525

KHz

kΩ

Ω

Frequency2

RT = 11kΩ

SYNC Source Impedance

SYNC Sink Impedance

SYNC Threshold (falling)

Upper SYNC Frequency

SYNC Pulse Width Minimum

160

1.4

550

KHz

RAMP GENERATOR

Ramp Current 1

Ramp Current 2

PWM COMPARATOR

Vin = 36V, Vout=10V

Vin = 10V, Vout=10V

136

160

184

µA

Forced Off-time

500

Min On-time

COMP to PWM Comparator Offset

0.7

(1) Min and Max limits are 100% production tested at 25°C. Limits over the operating temperature range are ensured through correlation

using Statistical Quality Control (SQC) methods. Limits are used to calculate Average Outgoing Quality Level (AOQL).

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LM25005MH/NOPB 替代型号

型号	品牌	替代类型	描述	数据表
LM25005MHX/NOPB	TI	类似代替	7V 至 42V 宽输入电压、2.5A 电流模式非同步降压稳压器 \| PWP \| 20 \|

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