AMS4106 データシートの表示（PDF） - Advanced Monolithic Systems Inc

部品番号

コンポーネント説明

メーカー

AMS4106

5A SYNCHRONUS PWM BUCK CONVERTER

Advanced Monolithic Systems Inc 

AMS4106

ELECTRICAL CHARACTERISTICS (continued)

Electrical Characteristics at TJ = -40 °C to 125 °C and Vin = 4.5V (unless otherwise noted)

PARAMETER

TEST CONDITIONS

Min.

AMS4106

Typ.

Max.

Soft Start (SS)

2.22

Internal soft start (10% to 90%)

f = 250 kHz

4.6

f = 500 kHz

2.3

POWER GOOD (PWRGD PIN)

Power good threshold

Rising edge delay

PWR

GD

Output saturation voltage

Output saturation voltage

Open collector leakage

Rising voltage

f = 250 kHz

f = 500 kHz

Isink = 1 mA, VIN > 4.5 V

Isink = 1 µA, VIN = 0 V

Voltage on PWRGD = 6 V

95%

4

2

0.05

0.075

2

CURRENT LIMIT

Current limit

Current limit Hiccup Time

VIN = 12

f = 500 kHz

6.1

6.5

7.5

4.5

THERMAL SHUTDOWN

Thermal shutdown trip point

145

Thermal shutdown hysteresis (1)

10

LOW SIDE EXTERNAL FET DRIVE

Turn on rise time, (10%/90%) (1)

VIN = 4.5V, Capacitive load = 1000 pF

15

Deadtime (1)

VIN = 8 V, Capacitive load = 1000 pF

12

VIN = 12 V

60

Driver ON resistance

VIN = 4.5 V sink/ source

7.5

VIN = 12 V sink/ source

5

OUTPUT POWER MOSFETS (LX PIN)

Lx node voltage when disabled

DC conditions and no load, EN = 0 V

Voltage drop, low side FET and

VIN = 4.5 V, Idc = 100 mA

diode

VIN = 12 V, Idc = 100 mA

rDS (ON) High side power switch

VIN = 4.5 V, BST-LX = 4.5 V, Io = 0.5 A

VIN = 12 V, BST-LX = 8 V, Io = 0.5 A

0.5

1.13 1.42

1.08 1.38

60

40

(1) Specified by design, not production tested.

Units

µA

ms

ms

V

V

µA

A

ms

°C

°C

ns

ns

Ω

V

V

mΩ

Advanced Monolithic Systems, Inc. www.advanced-monolithic.com Phone (925) 443-0722 Fax (925) 443-0723

Share Link: