Datasheet

MAX8903A–E/G/H/J/N/Y
2A 1-Cell Li+ DC-DC Chargers
for USB and Adapter Power
24
Maxim Integrated
DC INPUT
VOLTAGE
RANGE
DC STEP-DOWN
OUTPUT
CURRENT LIMIT
(I
SDMAX
)
PART NUMBER,
SWITCHING
FREQUENCY*
RECOMMENDED INDUCTOR
5V ±10% 2A MAX8903H/J/N/Y, 4MHz
1.0µH, IFSC1008ABER1R0M01, Vishay
2.5mm x 2mm x 1.2mm, 43mΩ (max), 2.6A
or 1.0µH, LQH32PN1R0-NN0, Murata,
3.2mm x 2.5mm x 1.55mm, 54mΩ (max), 2.3A
5V ±10% 1A MAX8903H/J/N/Y, 4MHz
1.5µH inductor, MDT2520-CN1R5M, TOKO
2.5mm x 2.0mm x 1.2mm, 123.5mΩ (max), 1.25A
or 1.5uH Inductor, IFSC1008ABER1R5M01, Vishay
2.5mm x 2mm x 1.2mm, 72mΩ (max), 2.2A
5V ±10% 2A
MAX8903A/B/C/D/E,
4MHz
2.2µH inductor, DFE322512C-2R2N, TOKO
3.2mm x 2.5mm x 1.2mm, 91mΩ (max), 2.4A
or 2.2µH inductor, IFSC1515AHER2R2M01, Vishay
3.8mm x 3.8mm x 1.8mm, 45mΩ (max), 3A
5V ±10% 1A
MAX8903A/B/C/D/E,
4MHz
2.2µH inductor, IFSC1008ABER2R2M01, Vishay
2.5mm x 2mm x 1.2mm, 90mΩ (max), 2.15A
or 2.2µH Inductor, LQH32PN2R2-NN0, Murata
3.2mm x 2.5mm x 1.55mm, 91mΩ (max), 1.55A
9V ±10% 2A MAX8903H/J/N/Y, 4MHz
1.5uH inductor, IFSC1008ABER1R5M01, Vishay
2.5mm x 2mm x 1.2mm, 72mW (max), 2.2A
or 1.5µH Inductor, VLS4012ET-1R5N, TDK
4mm x 4mm x 1.2mm, 72mW (max), 2.1A
9V ±10% 1A MAX8903H/J/N/Y, 4MHz
2.2µH inductor, IFSC1008ABER2R2M01, Vishay
2.5mm x 2mm x 1.2mm, 90mΩ (max), 2.15A
or 2.2µH inductor, LQH3NPN2R2NJ0, Murata
3mm x 3mm x 1.1mm, 83mΩ (max), 1.15A
Table 5. Recommended Inductor Examples