参数资料
型号: MAX1758EAI+
厂商: MAXIM INTEGRATED PRODUCTS INC
元件分类: 电源管理
英文描述: Stand-Alone, Switch-Mode Li+ Battery Charger with Internal 28V Switch
中文描述: 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO28
封装: 5.30 MM, 0.65 MM PITCH, SSOP-28
文件页数: 15/17页
文件大小: 224K
代理商: MAX1758EAI+
MAX1758
Stand-Alone, Switch-Mode
Li+ Battery Charger with Internal 28V Switch
_______________________________________________________________________________________
7
1000
0.1
1
10
TIMEOUT vs. TIMER1 CAPACITANCE
1
MAX1758
TOC08
CAPACITANCE (nF)
TIMEOUT
(MINUTES)
10
100
PREQUALIFICATION MODE
TOP-OFF MODE
VOLTAGE MODE
1000
1
0.1
1
10
FAST-CHARGE TIMEOUT
vs. TIMER2 CAPACITANCE
10
MAX1758
TOC09
CAPACITANCE (nF)
TIMEOUT
(MINUTES)
100
50
60
70
80
90
100
6
1014182226
EFFICIENCY vs. INPUT VOLTAGE
MAX1758
TOC10
INPUT VOLTAGE (V)
EFFICIENCY
(%)
ICHG = 1.0A
2 CELLS
4 CELLS
3 CELLS
0
1.0
0.5
2.5
2.0
1.5
4.0
3.5
3.0
4.5
0
0.6
0.8
0.2
0.4
1.0
1.2
1.4
1.6
BATTERY VOLTAGE
vs. CHARGING CURRENT
MAX1758
TOC01
CHARGING CURRENT (A)
BATTERY
VOLTAGE
(V)
0
0.4
0.2
1.0
0.8
0.6
1.4
1.2
1.6
0
1.5 2.0
0.5 1.0
2.5 3.0 3.5 4.0 4.5
CHARGING CURRENT
vs. ISETOUT VOLTAGE
MAX1758
TOC02
ISETOUT VOLTAGE (V)
CHARGING
CURRENT
(A)
0
20
40
60
80
100
120
01.0
0.5
1.5 2.0 2.5 3.0 3.5 4.0 4.5
INPUT CURRENT-SENSE REGULATION
VOLTAGE vs. ISETIN VOLTAGE
MAX1758
TOC03
ISETIN VOLTAGE (V)
INPUT
CURRENT-SENSE
VOLTAGE
(mV)
3.95
4.05
4.00
4.15
4.10
4.25
4.20
4.30
4.40
4.35
4.45
0
1.0 1.5 2.0
0.5
2.5 3.0 3.5 4.0 4.5
VOLTAGE LIMIT
vs. VADJ VOLTAGE
MAX1758
TOC04
VADJ VOLTAGE (V)
VOLTAGE
LIMIT
(V)
4.185
4.195
4.190
4.205
4.200
4.210
4.215
-40
20
40
-20
0
60
80
100
REFERENCE VOLTAGE
vs. TEMPERATURE
MAX1758
TOC05
TEMPERATURE (
°C)
REFERENCE
VOLTAGE
(V)
4.194
4.196
4.195
4.197
4.200
4.201
4.199
4.198
4.202
0
200 300 400 500
100
600 700 800 900 1000
REFERENCE LOAD REGULATION
MAX1758
TOC07
REFERENCE LOAD (
A)
REFERENCE
VOLTAGE
(V)
Typical Operating Characteristics
(Circuit of Figure 1, VDCIN = 18V, V SHDN = VVL, VCELL = GND, VVADJ = VREF/2, VISETIN = VISETOUT = VREF, TA = +25°C, unless oth-
erwise noted.)
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