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參數(shù)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(shù)： | 3/20頁 |
| 文件大?。?/td> | 257K |
| 代理商： | MAX888ECJ |
M
Wireless and S atellite Handset
Power-Management ICs
_______________________________________________________________________________________
3
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)
I
OUT1
= 0.1mA to 100mA
MAX886
Table 4
I
OUT0
V
IN0
= 3.8V
CONDITIONS
%
-3
3
Output Accuracy
V
2.7
12
V
IN1
Input Voltage Range
%
-23
0.8
·
f
OSC
23
1.2
·
f
OSC
f
OSC
Oscillator Frequency Accuracy
-20
20
A
0.6
0.9
1.2
I
LIMIT
Internal Switch Current Limit
OSCILLATOR FREQUENCY (OUT0, OUT4)
mA
63
98
180
PFM to PWM Threshold
0.4
1
R
ON
Internal Switch On-Resistance
UNITS
%
MIN
TYP
-1.5
MAX
SYMBOL
PARAMETER
V
OUT2
= 3.3V (MAX886),
V
OUT2
= 1.527V (MAX888)
MAX888
MAX886
I
OUT2
= 0.1mA to 200mA
3V < V
IN1
< 12V, 0h code
I
OUT1
= 0.1mA to 100mA
I
OUT1
= 100mA
I
OUT1
= 1mA
MAX888
V
1.527
3.027
V
OUT2
Nominal Output Adjustment
Range
2.175
3.30
%
-3
3
Output Accuracy
V
2.7
5.5
V
IN2
Input Voltage Range
mA
100
250
Current Limit
LDO REGULATOR 2 (IN2, OUT2)
%/V
-0.1
0
0.1
Line Regulation
%/mA
-0.01
0.01
Output Load Regulation
mV
90
200
Dropout Voltage
1
V
1.25
3.5
V
OUT1
Nominal Output Adjustment
Range
2.70
4.95
2.7V < V
IN2
< 3.8V, 0h code
I
OUT2
= 0.1mA to 200mA
I
OUT2
= 200mA
I
OUT2
= 1mA
mA
200
500
Current Limit
LDO REGULATOR 3 (IN3, OUT3)
%/V
-0.3
0.3
Line Regulation
%/mA
-0.005
0.002
Output Load Regulation
90
200
Dropout Voltage
mV
1
% of
V
OUT2
-7.5
-5
-3
V
RDY2
Output Ready Threshold
I
OUT3
= 0.1mA to 20mA
%
-3
3
Output Accuracy
V
2.7
5.5
V
IN3
Input Voltage Range
kHz
f
OSC
SYNC Range
T
A
= 0°C to +85°C
T
A
= -40°C to +85°C
V
LX
= 12V
μA
0.1
10
LX Leakage Current
V
LX
= 12V
%
100
Maximum Duty Cycle
3V < V
IN0
< 12V
%
-0.3
0
0.3
Line Regulation
I
OUT0
= 0.1mA to 500mA
Output Load Regulation
LDO REGULATOR 1 (IN1, OUT1)
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