參數(shù)資料
型號： MAX1551
廠商： Maxim Integrated Products, Inc.
元件分類： 基準(zhǔn)電壓源/電流源
英文描述： SOT23. Dual-Input. USB/AC Adapter. 1-Cell Li+ Battery Chargers
中文描述： SOT23封裝、雙輸入、USB/AC適配器、單節(jié)Li+電池充電器
文件頁數(shù)： 2/8頁
文件大小： 204K
代理商： MAX1551
M
SOT23 Dual-Input USB/AC Adapter 1-Cell Li+
Battery Chargers
2
_______________________________________________________________________________________
ABSOLUTE MAXIMUM RATINGS
DC to GND......................................................................0 to +8V
DC to BAT.......................................................................0 to +7V
BAT,
CHG
,
POK
, USB to GND.................................-0.3V to +7V
Continuous Power Dissipation (T
A
= +70
°
C)
5-Pin Thin SOT23 (derate 9.1mW/
°
C above +70
°
C)....727mW
ELECTRICAL CHARACTERISTICS
(V
DC
= 5V, V
USB
= 0, I
BAT
= 0, C
BAT
= 1μF,
T
A
= 0°C to +85°C
, unless otherwise noted.)
Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional
operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to
absolute maximum rating conditions for extended periods may affect device reliability.
Operating Temperature Range ...........................-40
°
C to +85
°
C
Junction Temperature Range............................-40
°
C to +150
°
C
Storage Temperature Range.............................-65
°
C to +150
°
C
Lead Temperature (soldering, 10s).................................+300
°
C
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
DC
DC Voltage Range
DC to BAT Voltage Range
(Note 1)
3.7
0.1
7.0
6.0
V
V
DC Undervoltage Lockout
Threshold
Input rising, 430mV hysteresis, V
BAT
= 3V (Note 1)
3.75
3.95
4.15
V
DC Supply Current
DC to BAT On-Resistance
1.75
1
3
2
mA
V
DC
= 3.7V, V
BAT
= 3.6V
When charging stops, V
BAT
= 4V,
DC falling, 200mV hysteresis
DC to BAT Dropout Voltage
30
60
90
mV
USB
USB Voltage Range
(Note 1)
Input rising, 430mV hysteresis, V
DC
= 0,
V
BAT
= 3V (Note 1)
V
USB
= 5V, V
DC
= 0
V
USB
= 3.7V, V
BAT
= 3.6V, V
DC
= 0
When charging stops, V
BAT
= 4V,
USB falling, 200mV hysteresis, V
DC
= 0
3.7
6.0
V
USB Undervoltage Threshold
3.75
3.95
4.15
V
USB Supply Current
USB to BAT On-Resistance
1.65
2
3
4
mA
USB to BAT Dropout Voltage
30
60
90
mV
BAT
BAT Regulation Voltage
DC Charging Current
USB Charging Current
BAT Prequal Threshold
Prequalification Charging Current
BAT Leakage Current
POK
,
CHG
, AND THERMAL LIMIT
V
DC
or V
USB
= 5V
V
BAT
= 3.3V, V
USB
= 0, V
DC
= 5V
V
BAT
= 3.3V, V
DC
= 0, V
USB
= 5V
V
BAT
rising, 100mV hysteresis
V
BAT
= 2.8V
V
DC
= V
USB
= 0, V
BAT
= 4.2V
4.158
220
80
2.9
20
4.2
280
90
3
40
4.242
340
100
3.1
80
5
V
mA
mA
V
mA
μA
CHG
Threshold
Charge current where
CHG
goes high,
I
BAT
falling, 50mA hysteresis
I
CHG
, I
POK
= 10mA
V
CHG
, V
POK
= 6V, T
A
= +25
°
C
Charge current reduced by 17mA/
°
C above this
temperature
25
50
100
mA
CHG
,
POK
Logic-Low Output
CHG
,
POK
Leakage Current
150
0.001
300
1
mV
μA
Thermal-Limit Temperature
+110
°
C
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