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參數資料
| 型號： | MAX888ECJ |
| 廠商： | MAXIM INTEGRATED PRODUCTS INC |
| 元件分類： | 電源管理 |
| 英文描述： | Wireless and Satellite Handset Power-Management ICs |
| 中文描述： | 1-CHANNEL POWER SUPPLY SUPPORT CKT, PQFP32 |
| 封裝： | 7 X 7 MM, 1.40 MM HEIGHT, TQFP-32 |
| 文件頁數： | 4/20頁 |
| 文件大?。?/td> | 257K |
| 代理商： | MAX888ECJ |
M
Wireless and S atellite Handset
Power-Management ICs
4
_______________________________________________________________________________________
ELECTRICAL CHARACTERISTICS (continued)
(V
BATT
= V
IN0
= V
IN1
= +5.5V, GND = PGND = DGND, V
OFF
= V
SYNC
= 2.8V, V
IN2
= V
IN3
= V
IN4
= V
IN5
= +3.8V, V
OUT4
= +5.5V,
T
A
= -40°C to +85°C, unless otherwise noted. Typical values are at T
A
= +25°C.) (Note 1)
CONDITIONS
SYMBOL
PARAMETER
I
OUT5
= 1mA
I
OUT5
= 100mA
MAX886
MAX888
I
OUT5
= 0.1mA to 100mA
No load
I
OUT4
= 50mA
V
OUT3
= 2.85V or 4.65V only
3.8V < V
IN3
< 5.5V, V
OUT3
= 2.85V
1
V
2.175
1.25
3.300
3.50
V
OUT5
Nominal Output Adjustment
Range
%
-3
3
Output Accuracy
V
2.7
5.5
V
IN5
Input Voltage Range
V
5.10
5.25
5.21
5.41
V
OUT4
Output Voltage
kHz
f
OSC
/ 2
Switching Frequency
mA
20
50
Current Limit
CHARGE-PUMP REGULATOR 4 (IN4, OUT4)
%/V
-0.3
0.3
Line Regulation
UNITS
MIN
TYP
0
MAX
V
LBI
= step from 1.23V to 1.27V
V
LBI
= 1.23V
2.7V < V
IN5
< 3.8V, 0h code
I
OUT5
= 0.1mA to 100mA
μs
10
LBI Propagation Delay
μA
-0.2
0.2
LBI Input Current
mA
100
250
Current Limit
LOW-BATTERY COMPARATOR
%/V
-0.3
0.3
Line Regulation
%/mA
-0.01
0.01
Output Load Regulation
mV
72
200
Dropout Voltage
0.4
V
IL
V
IH
ms
28
37
47
Start-Up Timeout Period
LOGIC AND CONTROL INPUTS
ms
56
75
94
Reset Timeout Period
V
1.2
ON
Input Voltage
V
LBO
= I
LBHYS
= 1mA,
V
LBI
= V
REF
- 15mV
V
0.5
LBO
/LBHYS Output Low Voltage
V
LBO
= V
LBHYS
= 12V,
V
LBI
= V
REF
+ 15mV
μA
-0.2
0.2
LBO
/LBHYS Leakage Current
V
V
REF
-
15mV
V
REF
V
REF
+
15mV
LBI Threshold
I
OUT3
= 0.1mA to 20mA
%/mA
-0.035
0.02
Output Load Regulation
I
OUT3
= 20mA
20
50
I
OUT3
= 1mA
mV
1
Dropout Voltage
V
OUT2
4.65
2.85
V
IN3
= 5.5V,
Table 5
V
V
OUT3
Nominal Output Voltage
LDO REGULATOR 5 (IN5, OUT5)
RESET AND START-UP TIMER
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