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MAX8903NETI+T 数据表(PDF) 8 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
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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) 8 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
8
Maxim Integrated
NORMALIZED CHARGE CURRENT
vs. AMBIENT TEMPERATURE
TEMPERATURE (
°C)
60
35
10
-15
0.990
0.995
1.000
1.005
1.010
1.015
0.985
-40
85
VUSB = 5V, VBAT = 4V
NORMALIZED BATTERY
REGULATION VOLTAGE
vs. AMBIENT TEMPERATURE
TEMPERATURE (
°C)
60
35
10
-15
99.6
99.7
99.8
99.9
100.0
100.1
100.2
100.3
100.4
100.5
99.5
-40
85
22ppm/
°C
0
1.5
1.0
0.5
2.5
2.0
4.5
4.0
3.5
3.0
5.0
01234567
MAX8903A/C/D/H/N/Y
SYS VOLTAGE vs. USB VOLTAGE
USB VOLTAGE (V)
VUSB FALLING
VCEN = 5V
VBAT = 0V
VDC = 0V
VUSB RISING
RSYS = 1M
Ω
0
1.0
0.5
2.0
1.5
3.0
2.5
3.5
4.5
4.0
5.0
0
468
2
1012141618
MAX8903A/C/D/H/N/Y
SYS VOLTAGE vs. DC VOLTAGE
DC VOLTAGE (V)
VDC RISING
VDC FALLING
VCEN = 5V
VBAT = 0V
VUSB = 0V
SYS VOLTAGE
vs. SYS OUTPUT CURRENT, DC INPUT
SYS OUTPUT CURRENT (A)
1.5
1.0
0.5
3.9
4.0
4.1
4.2
4.3
4.4
4.5
4.6
3.8
02.0
VUSB = 0V
MAX8903J, VDC = 5.75V
MAX8903N/Y,
VDC = 5.75V
MAX8903A /C/D/H,
VDC = 5.75V
MAX8903B/E/G,
VDC = 5.75V
MAX8903_, VDC = 0V
400
300
200
100
SYS VOLTAGE
vs. SYS OUTPUT CURRENT, USB INPUT
SYS OUTPUT CURRENT (mA)
3.9
4.0
4.1
4.2
4.3
4.4
4.5
4.6
3.8
0
500
VDC = 0V, VBATT = 4V
MAX8903J, VUSB = 5V
MAX8903N/Y,
VUSB = 5V
MAX8903A /C/D/H,
VUSB = 5V
MAX8903B/E/G,
VUSB = 5V
MAX8903_, VUSB = 0V
VL VOLTAGE vs. DC VOLTAGE
DC VOLTAGE (V)
18
16
14
12
10
8
6
4
2
1
2
3
4
5
6
0
020
VL WITH
NO LOAD AND
DCDC OFF
(VUSUS = 5V)
VL AND DCDC
WITH
FULL LOAD
(VUSUS = 0V)
VBAT = 3.6V
VUSB = 0V
CHARGE PROFILE—1400mAh BATTERY
ADAPTER INPUT—1A CHARGE
MAX8903A toc17
TIME (min)
120
100
60
80
40
20
0.5
1.0
1.5
2.0
2.5
3.0
3.5
4.0
4.5
5.0
5.5
6.0
0
0.2
0.4
0.6
0.8
1.0
1.2
0.0
0
140
VBAT
IDC SET TO 1A
IBAT SET TO 2A
IBAT
MAX8903A/B/C/G/H
Typical Operating Characteristics (continued)
(TA = +25°C, unless otherwise noted.)



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