参数资料
型号: MAX1926ETC
厂商: MAXIM INTEGRATED PRODUCTS INC
元件分类: 稳压器
英文描述: Switch-Mode 1-Cell Li+ Chargers
中文描述: 0.1 A BATTERY CHARGE CONTROLLER, 235 kHz SWITCHING FREQ-MAX, QCC12
封装: 4 X 4 MM, 0.80 MM HEIGHT, QFN-12
文件页数: 5/16页
文件大小: 443K
代理商: MAX1926ETC
M
Switch-Mode 1-Cell Li+ Chargers
_______________________________________________________________________________________
5
Note 1:
When the AC adapter is unplugged or if the charger is shut down, BATT drain is less than 10μA.
Note 2:
These specifications guarantee the thermistor interface detects a fault at the correct temperature (0
°
C to +5
°
C cold temper-
ature and 45
°
C to +50
°
C hot temperature) with Philips NTC Thermistor Series 640-6, 2322-640-63103, 10.0K at +25
°
C, ±5%
(or equivalent).
Note 3:
A fault is generated if V
THRM
lower than 1.4V during the cold test or higher than 1.4V during the hot test. Hot and cold tests
occur on alternate CT clock transitions.
Note 4:
Specifications to -40
°
C are guaranteed by design and not production tested.
ELECTRICAL CHARACTERISTICS (continued)
(V
PGND
= V
GND
= 0, V
INP
= V
IN
= V
CHG
= 5V, V
BATT
= V
CS
= V
EN
= 4V, THRM = 10k
to GND, C
CT
= 100nF,
T
A
= -40
°
C to +85
°
C
,
unless otherwise noted. Typical values are at T
A
= +25
°
C.) (Note 4)
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
CHG
Output High Leakage
Current
V
CHG
= 12V
1
μA
ACON
High Leakage
ACON
Sink Current
THERMISTOR MONITOR
V
ACON
= 12V
V
ACON
= 0.4V
1
μA
mA
2
THRM Sense Current for Hot
Qualification
342
363
μA
THRM Sense Current for Cold
Qualification
47.3
50.3
μA
THRM Sense-Voltage Trip Point
(Note 3)
1.379
1.421
V
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