參數(shù)資料
型號(hào): MAX1757EAI
廠商: MAXIM INTEGRATED PRODUCTS INC
元件分類: 穩(wěn)壓器
英文描述: Stand-Alone, Switch-Mode Li Battery Charger with Internal 14V Switch
中文描述: BATTERY CHARGE CONTROLLER, 330 kHz SWITCHING FREQ-MAX, PDSO28
封裝: 5.30 MM, 0.65 MM PITCH, SSOP-28
文件頁數(shù): 7/17頁
文件大?。?/td> 218K
代理商: MAX1757EAI
M
Stand-Alone, Switch-Mode
Li+ Battery Charger with Internal 14V Switch
_______________________________________________________________________________________
7
4.194
4.196
4.195
4.197
4.200
4.201
4.199
4.198
4.202
0
200 300 400 500
REFERENCE LOAD (
μ
A)
100
600 700 800 900 1000
REFERENCE LOAD REGULATION
M
R
1000
0.1
0.1
1
10
TIMEOUT vs. TIMER1 CAPACITANCE
1
M
CAPACITANCE (nF)
T
10
100
PREQUALIFICATION MODE
TOP-OFF MODE
VOLTAGE MODE
1000
1
0.1
1
10
FAST-CHARGE TIMEOUT
vs. TIMER2 CAPACITANCE
10
M
CAPACITANCE (nF)
T
100
50
60
70
80
90
100
6
8
10
12
14
EFFICIENCY
vs. INPUT VOLTAGE
M
INPUT VOLTAGE (V)
E
I
CHG
= 1.0A
2 CELLS
1 CELL
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
VADJ VOLTAGE (V)
0.5
2.5 3.0 3.5 4.0 4.5
VOLTAGE LIMIT
vs. VADJ VOLTAGE
M
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
M
TEMPERATURE (
°
C)
R
Typical Operating Characteristics
(Circuit of Figure 1, V
DCIN
= 12V, V
SHDN
= V
VL
, V
CELL
= GND, V
VADJ
= V
REF
/2, V
ISETIN
= V
ISETOUT
= V
REF
, see Figure 1, T
A
= +25°C,
unless otherwise noted.)
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
CHARGING CURRENT (A)
1.0
1.2
1.4
1.6
BATTERY VOLTAGE
vs. CHARGING CURRENT
M
B
0
0.4
0.2
1.0
0.8
0.6
1.4
1.2
1.6
0
1.5 2.0
ISETOUT VOLTAGE (V)
0.5 1.0
2.5 3.0 3.5 4.0 4.5
CHARGING CURRENT
vs. ISETOUT VOLTAGE
M
C
0
20
40
60
80
100
120
0
1.0
0.5
1.5 2.0 2.5 3.0 3.5 4.0 4.5
ISETIN VOLTAGE (V)
INPUT CURRENT-SENSE REGULATION VOLTAGE
vs. ISETIN VOLTAGE
M
I
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