參數(shù)資料
型號(hào): MAX1559
廠商: Maxim Integrated Products, Inc.
英文描述: 5-Output Power-Management IC For Low-Cost PDAs
中文描述: 5路輸出電源管理IC,用于低成本PDA
文件頁(yè)數(shù): 3/14頁(yè)
文件大小: 526K
代理商: MAX1559
M
5-Output Power-Management IC For
Low-Cost PDAs
_______________________________________________________________________________________
3
ELECTRICAL CHARACTERISTICS (continued)
(V
IN
= V
SWIN
= V
ENSD
= V
ENC2
= V
ENLCD
= 4.0V,
T
A
= 0
°
C to +85
°
C
, unless otherwise noted. Typical values are at T
A
= +25
°
C.)
PARAMETER
I
LOAD
= 100μA to 20mA,
V
IN
= 3.6V to 5.5V
COR2 Current Limit
LCD
LX Voltage Range
LX Current Limit
L1 = 10μH
LX On-Resistance
LX Leakage Current
V
LX
= 28V
Maximum LX On-Time
V
LFB
> 1.1V
Minimum LX Off-Time
V
LFB
< 0.8V (soft-start)
LFB Feedback Threshold
LFB Input Bias Current
V
LFB
= 1.3V
SW Off Leakage Current
SW = GND, V
SWIN
= 5.5V, ENLCD = GND
SW PMOS On-Resistance
SW PMOS Peak Current Limit
SW PMOS Ave Current Limit
Soft-Start Time
C
SW
= 1μF
LOGIC IN AND OUT
EN_ Input Low Level
V
IN
= 3.1V to 5.5V
EN_ Input High Level
V
IN
= 3.1V to 5.5V
EN_ Input Leakage Current
RS
, Output Low Level
Sinking 1mA, V
IN
= 2.5V
RS
, Output High Leakage
V
OUT
= 5.5V
THERMAL PROTECTION
Thermal-Shutdown Temperature
Rising temperature
CONDITIONS
MIN
TYP
MAX
UNITS
COR2 Output Voltage
1.755
1.8
1.845
V
30
210
8
0.8
3.9
1.23
1.4
50
250
1.7
11
1
5
1.25
5
0.01
1
700
300
0.13
0.01
0.25
+160
100
28
285
2
14
1.2
6.0
1.27
100
1
1.75
0.4
1
0.4
1
mA
V
mA
μA
μs
μs
V
nA
μA
mA
mA
ms
V
V
μA
V
μA
°
C
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