MAX8903NETI+T datasheet(25/30 Pages) MAXIM

25 / 30 page

MAX8903A–E/G/H/J/N/Y

2A 1-Cell Li+ DC-DC Chargers

for USB and Adapter Power

Maxim Integrated

DC INPUT

VOLTAGE

RANGE

DC STEP-DOWN

OUTPUT

CURRENT LIMIT

(ISDMAX)

PART NUMBER,

SWITCHING

FREQUENCY*

RECOMMENDED INDUCTOR

9V ±10%

MAX8903A/B/C/D/E,

4MHz

2.2µH inductor, DFE322512C-2R2N, TOKO

3.2mm x 2.5mm x 1.2mm, 91m

Ω (max), 2.4A

or 2.2µH Inductor, IFSC1515AHER2R2M01, Vishay

3.8mm x 3.8mm x 1.8mm, 45m

Ω (max), 3A

9V ±10%

MAX8903A/B/C/D/E,

4MHz

2.2µH Inductor, IFSC1008ABER2R2M01, Vishay

2.5mm x 2mm x 1.2mm, 90m

Ω (max), 2.15A

or 2.2µH Inductor, LQH3NPN2R2NJ0, Murata

3mm x 3mm x 1.1mm, 83m

Ω (max), 1.15A

9V ±10%

MAX8903G, 1MHz

4.3uH Inductor, DEM4518C (1235AS-H-4R3M), TOKO

4.7mm x 4.5mm x 1.8mm, 84m

Ω (max), 2.0A

or 4.7µH Inductor, IFSC1515AHER4R7M01, Vishay

3.8mm x 3.8mm x 1.8mm, 90m

Ω (max), 2.0A

9V ±10%

MAX8903G, 1MHz

4.7µH inductor, DEM2818C (1227AS-H-4R7M), TOKO

3.2mm x 2.8mm x 1.8mm, 92m

Ω (max), 1.1A

or 4.7µH inductor, IFSC1008ABER4R7M01, Vishay

2.5mm x 2mm x 1.2mm, 212m

Ω (max), 1.2A

12V ±10%

MAX8903G, 1MHz

4.3µH inductor, DEM4518C (1235AS-H-4R3M), TOKO

4.7mm x 4.5mm x 1.8mm, 84m

Ω (max), 2.0A

or 4.7µH inductor, IFSC1515AHER4R7M01, Vishay

3.8mm x 3.8mm x 1.8mm, 90m

Ω (max), 2.0A

12V ±10%

MAX8903G, 1MHz

6.8µH, IFSC1515AHER6R8M01, Vishay

3.8mm x 3.8mm x 1.8mm, 115m

Ω (max), 1.5A

or 6.8µH, LQH44PN6R8MP0, Murata

4mm x 4mm x 1.65mm, 144m

Ω (max), 1.34A

Table 5. Recommended Inductor Examples (continued)

See the Selector Guide for more information about part numbers.

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