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MAX8903NETI+T 数据表(PDF) 3 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) 3 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
3
Maxim Integrated
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
No valid USB input
1
ms
DC Soft-Start Time
Valid USB input before soft-start
20
µs
DC Output Current
500mA USB Mode (Note 3)
VDCM = 0V, VIUSB = 5V
450
475
500
mA
DC Output Current
100mA USB Mode (Note 2)
VDCM = 0V, VIUSB = 0V
90
95
100
mA
SYS to DC Reverse Current
Blocking
VSYS = 5.5V, VDC = 0V
0.01
µA
USB INPUT
USB Operating Range
4.1
6.3
V
USB Standoff Voltage
8V
USB Undervoltage Threshold
When VUOK goes low, VUSB rising, 500mV hysteresis
3.95
4.0
4.05
V
USB Overvoltage Threshold
When VUOK goes high, VUSB rising, 500mV hysteresis
6.8
6.9
7.0
V
VIUSB = 0V (100mA setting)
90
95
100
USB Current Limit
VIUSB = 5V (500mA setting)
450
475
500
mA
ISYS = IBAT = 0mA, VCEN = 0V
1.3
3
ISYS = IBAT = 0mA, VCEN = 5V
0.8
2
USB Supply Current
VUSUS = 5V (USB suspend mode)
0.115
0.25
mA
Minimum USB to BAT Headroom
0
15
30
mV
USB to SYS Dropout Resistance
0.2
0.35
Ω
VUSB rising
1
ms
USB Soft-Start Time
VDC falling below DC UVLO to initiate USB soft-start
20
µs
SYS OUTPUT
MAX8903A/B/E/G/Y
3.0
Minimum SYS Regulation Voltage
(VSYSMIN)
ISYS = 1A,
VBAT < VSYSMIN
MAX8903C/D/H/J/N
3.4
V
MAX8903A/C/D/H/N/Y
4.3
4.4
4.5
MAX8903B/E/G
4.265
4.325
4.395
Regulation Voltage
ISYS = 0A
MAX8903J
4.4
4.5
4.55
V
MAX8903A/C/D/H
40
Load Regulation
ISYS = 0 to 2A
MAX8903B/E/G/J/N/Y
25
mV/A
CS to SYS Resistance
VDC = 6V, VDCM = 5V, VSYS = 4V, ICS = 1A
0.07
Ω
SYS to CS Leakage
VSYS = 5.5V, VDC = VCS = 0V
0.01
µA
BAT to SYS Resistance
VDC = VUSB = 0V, VBAT = 4.2V, ISYS = 1A
0.05
0.1
Ω
BAT to SYS Reverse Regulation
Voltage
VUSB = 5V, VDC = 0V, VIUSB = 0V, ISYS = 200mA
50
75
100
mV
SYS Undervoltage Threshold
SYS falling, 200mV hysteresis (Note 4)
1.8
1.9
2.0
V
ELECTRICAL CHARACTERISTICS (continued)
(VDC = VUSB = 5V, VBAT = 4V, circuit of Figure 2, TA = -40°C to +85°C, unless otherwise noted. Typical values are at TA = +25°C.)
(Note 1)



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