Diodes AP3433 Manuel d'utilisateur télécharger pdf (Page 7)

Preliminary Datasheet

3A, 2MHz High Performance Synchronous Buck Converter AP3433

Jul. 2012 Rev. 1. 1 BCD Semiconductor Manufacturing Limited

Typical Performance Characteristics

Figure 4. Supply Current vs. Input Voltage Figure 5. Supply Current vs. Temperature

Figure 6. Efficiency vs. Output Current Figure 7.UVLO Threshold vs. Temperature

2.7 3.0 3.3 3.6 3.9 4.2 4.5 4.8 5.1 5.4 5.7

360

365

370

375

380

385

390

395

400

405

410

415

420

425

430

Supply Current (µA)

Input Voltage (V)

-50 -25 0 25 50 75 100 125 150

370

380

390

400

410

420

430

440

450

460

470

=5V

=0.9V

Supply Current (µA)

Temperature (

0 300 600 900 1200 1500 1800 2100 2400 2700 3000

100

Efficiency (%)

Output Current (mA)

OUT

=1.8V

=3.3V

=5V

-50 -25 0 25 50 75 100 125 150

2.10

2.15

2.20

2.25

2.30

2.35

2.40

2.45

2.50

2.55

2.60

UVLO Threshold (V)

Temperature (

Start Switching

Stop Switching

1 2 3 4 5 6 7 8 9 10 11 12 13

Pin Configuration 2
Pin Description 2
3
Electrical Characteristics 5
=2.95 to 5.5V, T 6
Supply Current (µA) 7
Input Voltage (V) 7
Switching Frequency (kHz) 8
RT Resistance (kΩ) 8

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Diodes AP3433 Manuel d'utilisateur Page 7

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