AAT1150(2006) Ver la hoja de datos (PDF) - Advanced Analogic Technologies

Número de pieza

componentes Descripción

Fabricante

AAT1150
(Rev.:2006)

1MHz 1A Step-Down DC/DC Converter

Advanced Analogic Technologies 

AAT1150

1MHz 1A Step-Down DC/DC Converter

AAT1150 Dissipation

P = IO2 ⋅ (RDS(ON)H ⋅ VO + RDS(ON)L ⋅ (VIN -VO))

VIN

+ (tsw ⋅ FS ⋅ IO + IQ) ⋅ VIN

(0.14Ω ⋅ 1.5V + 0.145Ω ⋅ (3.6V - 1.5V))

=

+ (20nsec ⋅ 830kHz ⋅ 1.0A + 0.3mA) ⋅ 3.6V = 0.203W

3.6V

TJ(MAX) = TAMB + ΘJA ⋅ PLOSS = 85°C + 150°C/W ⋅ 0.203W = 115°C

Manufacturer

TaiyoYuden

Toko

Sumida

Sumida

MuRata

MuRata

Part Number

NPO5DB4R7M

A914BYW-3R5M-D52LC

CDRH5D28-4R2

CDRH5D18-4R1

LQH55DN4R7M03

LQH66SN4R7M03

Value

4.7μH

3.5μH

4.2μH

4.1μH

4.7μH

4.7μH

Max DC

Current

1.4A

1.34A

2.2A

1.95A

2.7A

2.2A

DCR

0.038

0.073

0.031

0.057

0.041

0.025

Table 1: Surface Mount Inductors.

Size (mm)

L×W ×H

5.9 × 6.1 × 2.8

5.0 × 5.0 × 2.0

5.7 × 5.7 × 3.0

5.7 × 5.7 × 2.0

5.0 × 5.0 × 4.7

6.3 × 6.3 × 4.7

Type

Shielded

Shielded

Shielded

Shielded

Non-Shielded

Shielded

Manufacturer

MuRata

MuRata

MuRata

MuRata

Part Number

GRM40 X5R 106K 6.3

GRM42-6 X5R 106K 6.3

GRM21BR60J226ME39L

GRM21BR60J106ME39L

Value

10μF

10μF

22μF

10μF

Voltage

6.3V

6.3V

6.3V

6.3V

Table 2: Surface Mount Capacitors.

Temp. Co.

X5R

X5R

X5R

X5R

Case

0805

1206

0805

0805

1150.2006.09.1.5

15

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