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MAX8903NETI+T 数据表(PDF) 9 Page - Maxim Integrated Products

部件名 MAX8903NETI+T
功能描述  2A 1-Cell Li DC-DC Chargers for USB and Adapter Power
PDF  30 Pages
Scroll/Zoom Zoom In 100%  Zoom Out
制造商  MAXIM [Maxim Integrated Products]
网页  https://www.maximintegrated.com/en.html
标志 MAXIM - Maxim Integrated Products

MAX8903NETI+T 数据表(HTML) 9 Page - Maxim Integrated Products

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MAX8903A–E/G/H/J/N/Y
2A 1-Cell Li+ DC-DC Chargers
for USB and Adapter Power
9
Maxim Integrated
MAX8903A/B/C/G/H
CHARGE PROFILE—1400mAh BATTERY
USB INPUT—500mA CHARGE
TIME (min)
180
160
120 140
40 60 80 100
20
0.5
1.0
1.5
2.0
2.5
3.0
3.5
4.0
4.5
5.0
0
0.05
0.10
0.15
0.20
0.25
0.30
0.35
0.40
0.45
0.50
0
0
200
VBAT
IBAT
MAX8903A toc18
MAX8903A/MAX8903B/MAX8903C
IUSB SET TO 500mA
IBAT SET TO 2A
200ns/div
MAX8903A/B/C/D/E/H/J/N/Y DC SWITCHING
WAVEFORMS—LIGHT LOAD
20mV/div
AC-COUPLED
MAX8903A toc19
500mA/div
0A
5V/div
0V
VOUT
VLX
ILX
RSYS = 44
Ω
MAX8903G DC SWITCHING
WAVEFORMS—LIGHT LOAD
MAX8903A toc19a
10V/div
0A
50mV/div
AC-COUPLED
0V
1A/div
VSYS
VLX
ILX
1µs/div
VDC = 9V, L = 2.2µH
CSYS = 22µF,
RSYS = 44
I
MAX8903A/B/C/D/E/H/J/N/Y DC SWITCHING
WAVEFORMS—HEAVY LOAD
MAX8903A toc20
200ns/div
VLX
VOUT
ILX
5V/div
0V
20mV/div
AC-COUPLED
500mA/div
0A
RSYS = 5
Ω
MAX8903G DC SWITCHING
WAVEFORMS—HEAVY LOAD
MAX8903A toc20a
10V/div
0A
50mV/div
AC-COUPLED
0V
1A/div
VSYS
VLX
ILX
1µs/div
VDC = 9V, L = 2.2µH
CSYS = 22µF, RSYS = 5
I
CEN = 1
DC CONNECT WITH
USB CONNECTED (RSYS = 25
Ω)
MAX8903A toc21
200
µs/div
IDC
VSYS
IUSB
IBAT
2V/div
500mA/div
500mA/div
500mA/div
0A
3.6V
347mA
-IBAT = CHARGING
475mA
-335mA
Typical Operating Characteristics (continued)
(TA = +25°C, unless otherwise noted.)



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