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| 型號： | MAX1737EVKIT |
| 廠商： | Maxim Integrated Products, Inc. |
| 英文描述： | MAX1737 Evaluation Kit |
| 中文描述： | MAX1737評估板 |
| 文件頁數(shù)： | 2/18頁 |
| 文件大?。?/td> | 234K |
| 代理商： | MAX1737EVKIT |
M
Stand-Alone Switch-Mode
Lithium-Ion Battery-Charger Controller
2
_______________________________________________________________________________________
ABSOLUTE MAXIMUM RATINGS
CSSP, CSSN, DCIN to GND...................................-0.3V to +30V
BST, DHI to GND....................................................-0.3V to +36V
BST to LX..................................................................-0.3V to +6V
DHI to LX ..........................................-0.3V to ((BST - LX) + 0.3V)
LX to GND ...............................................-0.3V to (CSSN + 0.3V)
FULLCHG, FASTCHG
,
FAULT
to GND ..................-0.3V to +30V
VL, VLO,
SHDN
, CELL, TIMER1, TIMER2, CCI,
CCS, CCV, REF, ISETIN, ISETOUT, VADJ,
THM to GND........................................................-0.3V to +6V
DLO to GND...............................................-0.3V to (VLO + 0.3V)
ELECTRICAL CHARACTERISTICS
(Circuit of Figure 1, V
DCIN
= V
CSSN
= V
CSSP
= +18V,
SHDN
= VL, CELL = GND, V
BATT
= V
CS
= +4.2V, V
VADJ
= V
REF
/ 2, ISETIN =
ISETOUT = REF, R
THM
= 10k
,
T
A
= 0°C to +85°C
, unless otherwise noted. Typical values are at T
A
= +25°C.)
PARAMETER
CONDITIONS
Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional
operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to
absolute maximum rating conditions for extended periods may affect device reliability.
BATT, CS to GND...................................................-0.3V to +20V
PGND to GND, CSSP to CSSN..............................-0.3V to +0.3V
VL to VLO ..............................................................-0.3V to +0.3V
VL Source Current...............................................................50mA
Continuous Power Dissipation (T
A
= +70°C)
28-Pin QSOP (derate 10.8mW/°C above +70°C)........860mW
Operating Temperature Range ...........................-40°C to +85°C
Junction Temperature......................................................+150°C
Storage Temperature Range.............................-65°C to +150°C
Lead Temperature (soldering, 10s).................................+300°C
V
REF Output Voltage
REF Line Regulation
SWITCHING REGULATOR
PWM Oscillator Frequency
SUPPLY AND REFERENCE
DCIN Input Voltage Range
With 1% VADJ resistors
-1
+1
Absolute Voltage Accuracy
Not including VADJ resistor tolerances
-0.8
+0.8
%
V
VADJ
= REF
V
VADJ
= GND
4.386
4.421
4.453
MIN
TYP
MAX
UNITS
6.0V < V
DCIN
< 28V
SHDN
= GND, V
BATT
= 19V
CELL =
SHDN
= VL, V
BATT
= 17V
LX = V
DCIN
= 28V,
SHDN
= GND
I
REF
= 0 to 1mA
6V < V
DCIN
< 28V
V
CSSN
= V
CSSP
= V
DCIN
= 28V,
SHDN
= GND
In dropout f
OSC
/ 4, V
CCV
= 2.4V,
V
BATT
= 15V, CELL = VL
6.0V < V
DCIN
< 28V
I
VL
= 0 to 15mA
V
BATT
= 15V, CELL = VL
μA
0.1
225
5
BATT, CS Input Current
μA
0.1
10
LX Leakage
7
DHI, DLO On-Resistance
μA
2
10
CSSN + CSSP Off-State Leakage
%
97
98
LX Maximum Duty Cycle
kHz
270
300
330
mA
5
7
DCIN Quiescent Supply Current
V
6
28
mV
6
14
REF Load Regulation
mV
2
6
4.179
4.20
4.221
V
0.05
0.155
DCIN to BATT Undervoltage Threshold,
DCIN Falling
V
0.19
0.40
DCIN to BATT Undervoltage Threshold,
DCIN Rising
V
5.10
5.40
44
5.70
65
VL Output Voltage
VL Output Load Regulation
mV
500
19
4.233
BATT, CS Input Voltage Range
Battery Regulation Voltage (V
BATTR
)
CELL = float, GND, VL, or REF (Note 1)
0
4.167
4.2
V
V/cell
Battery Regulation Voltage Adjustment
Range
V
CCV
= 2V
3.948
3.979
4.010
V/cell
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