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參數(shù)資料
| 型號(hào)： | MAX1551-MAX1555 |
| 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U(xiǎn)SB / AC適配器1節(jié)鋰電池充電器 |
| 文件頁(yè)數(shù)： | 3/8頁(yè) |
| 文件大小： | 204K |
| 代理商： | MAX1551-MAX1555 |
M
SOT23 Dual-Input USB/AC Adapter 1-Cell Li+
Battery Chargers
_______________________________________________________________________________________
3
Note 1:
The input undervoltage lockout has 430mV of hysteresis. The charger turns on when an input rises to 3.95V (typ), and turns
off when it falls below 3.52V.
Note 2:
Specifications to -40
°
C are guaranteed by design, not production tested.
ELECTRICAL CHARACTERISTICS
(V
DC
= 5V, V
USB
= 0, I
BAT
= 0, C
BAT
= 1μF,
T
A
= -40
°
C to +85
°
C
, unless otherwise noted.) (Note 2)
PARAMETER
CONDITIONS
MIN
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
4.15
V
DC Supply Current
DC to BAT On-Resistance
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
95
mV
USB
USB Voltage Range
(Note 1)
3.7
6.0
V
USB Undervoltage Lockout
Threshold
Input rising, 430mV hysteresis, V
DC
= 0, V
BAT
= 3V
(Note 1)
3.75
4.15
V
USB Supply Current
USB to BAT On-Resistance
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
4
mA
USB to BAT Dropout Voltage
30
95
mV
BAT
BAT Regulation Voltage
DC Charging Current
USB Charging Current
BAT Prequal Threshold
Prequalification Charging Current
BAT Leakage Current
POK
,
CHG
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
4.141
220
80
2.9
20
4.259
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
25
100
mA
CHG
,
POK
Logic-Low Output
CHG
,
POK
Leakage Current
300
1
mV
μA
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| MAX1551 | SOT23. Dual-Input. USB/AC Adapter. 1-Cell Li+ Battery Chargers |
| MAX1555 | SOT23. Dual-Input. USB/AC Adapter. 1-Cell Li+ Battery Chargers |
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