参数资料
型号: MAX1909ETI
厂商: MAXIM INTEGRATED PRODUCTS INC
元件分类: 电源管理
英文描述: Multichemistry Battery Charger with Automatic System Power Selector
中文描述: 2-CHANNEL POWER SUPPLY SUPPORT CKT, QCC28
封装: 5 X 5 MM, 0.80 MM HEIGHT, MO-220-WHHD-1, TQFN-28
文件页数: 7/29页
文件大小: 551K
代理商: MAX1909ETI
M
Multichemistry Battery Charger with Automatic
System Power Selector
_______________________________________________________________________________________
7
ELECTRICAL CHARACTERISTICS (continued)
(Circuit of Figure 1, V
DCIN
= V
CSSP
= V
CSSN
= 18V, V
BATT
= V
CSIP
= V
CSIN
= 12V, V
VCTL
= V
ICTL
= 1.8V, MODE = float, ACIN = 0, CLS =
REF, GND = PGND = 0,
PKPRES
= GND, LDO = DLOV,
T
A
= 0
°
C to +85
°
C
, unless otherwise noted. Typical values are at T
A
= +25
°
C.)
PARAMETER
SYMBOL
CONDITIONS
MIN
-3
-3
-4
TYP
MAX
+3
+3
+4
UNITS
V
CLS
= REF
V
CLS
= REF x 0.75
V
CLS
= REF x 0.5
Input Current-Limit
Accuracy
%
CSSP/CSSN Input Voltage Range
8.0
28
V
CSSP/CSSN Input Current
CLS Input Range
IINP Transconductance
V
CSSP
= V
CSSN
= V
DCIN
> 8.0V
V
CSSP
- V
CSSN
= 56mV
V
CSSP
- V
CSSN
= 75mV, terminated with
10k
V
CSSP
- V
CSSN
= 56mV, terminated with
10k
V
CSSP
- V
CSSN
= 20mV, terminated with
10k
V
CSSP
- V
CSSN
= 150mV, V
IINP
= 0V
V
CSSP
- V
CSSN
= 150mV, V
IINP
= float
730
REF
3.3
μA
V
mA/V
1.6
2.7
-7.5
+7.5
-5
+5
IINP Accuracy
-10
+10
%
IINP Output Current
IINP Output Voltage
SUPPLY AND LINEAR REGULATOR
DCIN Input Voltage Range
DCIN Undervoltage Lockout Trip
Point
DCIN Quiescent Current
BATT Input Current
LDO Output Voltage
LDO Load Regulation
LDO Undervoltage Lockout Trip
Point
350
3.5
μA
V
V
DCIN
DCIN falling
DCIN rising
8.0V < V
DCIN
< 28V
V
BATT
= 2V to 19V, V
DCIN
> V
BATT
+ 0.3V
8.0V < V
DCIN
< 28V, no load
0 < I
LDO
< 10mA
8.0
7
5.25
28
7.85
6
500
5.55
115
V
V
I
DCIN
I
BATT
mA
μA
V
mV
V
DCIN
= 8.0V
3.2
5.15
V
REFERENCE
REF Output Voltage
REF Undervoltage Lockout Trip
Point
Ref
0 < I
REF
< 500μA
4.1960
4.2520
V
REF falling
3.9
V
TRIP POINTS
BATT POWER_FAIL Threshold
BATT POWER_FAIL Threshold
Hysteresis
ACIN Threshold
ACIN Threshold Hysteresis
V
DCIN
- V
BATT
, V
DCIN
falling
50
150
mV
100
300
mV
ACIN rising
2.007
10
2.089
30
V
mV
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