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參數(shù)資料
| 型號： | MM1357 |
| 廠商： | MITSUMI ELECTRIC CO LTD |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | Control of Lithium Ion Batteries Monolithic IC |
| 中文描述： | BATTERY CHARGE CONTROLLER, PDSO14 |
| 封裝： | SOP-14 |
| 文件頁數(shù)： | 4/6頁 |
| 文件大小： | 149K |
| 代理商： | MM1357 |
MITSUMI
Control of Lithium Ion Batteries (switching regulator secondary) (two cells) MM1357
Timing Chart
Timing chart for connection of a timing capacitor C
T
to CC OUT
With REG OUT at 4V and C
T
=0.1μF, TD is approx. 50mS.
8.4V
4V
0.15V
CC INLow-current
V
TH
mode
High-current
mode
CC OUT
V
TH
0.32V
0
V
TH
level
0
CC-IN
CC-OUT
CSR
V
TH
level
TD
Electrical Characteristics
(Except where noted otherwise, Ta=25°C, REG OUT=4V, V
CC
=8.4V)
Item
Symbol
I
CC
Measurement conditions
Excluding REG OUT input current
Min. Typ. Max. Units
0.25
V
CC
minimum input current
Amp input for voltage control
Input offset voltage
Input bias current VFB+
Input bias current VFB
-
0.40
mA
V
IO
I
B+
I
B
-
V
I
1
5
mV
nA
nA
V
20
20
250
250
REG OUT
-
0.7
Common-mode input voltage range
*
0.7
Amp input for current control
ADJ1 pin input impedance
ADJ2 pin input impedance
CFB pin input impedance
Current limit 1
Current limit 2
OUT pin input current 1
OUT pin input current 2
OUT pin leakage current
CC IN input impedance
CC switching voltage L (VTR mode)
CC switching voltage H (CHG mode)
CC OUT output intake current
CC OUT output current
CC OUT output voltage range
Reference voltage
REG OUT output voltage variable range
REG OUT maximum input current
REG OUT minimum input current
*
Because there is an internal circuit for protection against shorts of external components, the common-mode
input voltage range is 0.7V to REG OUT
-
0.7V. Values are set such that overvoltages do not occur when
there is a short between VBF+ and REG OUT or between VFB
-
and GND.
R
ADJ
1
R
ADJ
2
R
CFB
V
CL
1
V
CL
2
I
S
1
I
S
2
I
L
R
CI
V
CL
V
CH
I
CO
1
I
CO
2
V
CO
V
REF
V
REG
I
max.
I
min.
13
13
2
320
145
k
k
k
mV
mV
mA
mA
μA
k
V
V
μA
mA
V
V
V
mA
mA
High-current mode
Low-current mode
OUT=8.4V (voltage-control amp)
OUT=4 V (voltage-control amp)
OUT=24V
310
137
20
20
330
153
2
100
2.6
3.4
On switching from low to high current mode
On switching from high to low current mode
6
0.5
0.4
1.195 1.207 1.219
2.0
20
3.6
6.0
1.0
Recommended Operating Conditions
Item
Symbol
T
OPR
V
OPR
Ratings
-
15~+80
+2~+20
*
Units
°C
V
Operating temperature
Operating voltage
*
The minimum operating voltage is under constant-current control
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