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參數(shù)資料
| 型號： | MAX1901-MAX1904 |
| 廠商： | Maxim Integrated Products, Inc. |
| 英文描述： | 3 POSITION RIGHT ANGLE DIP SWITCH |
| 中文描述： | 500kHz的多路輸出，低噪聲電源用于筆記本電腦控制器 |
| 文件頁數(shù)： | 4/33頁 |
| 文件大?。?/td> | 649K |
| 代理商： | MAX1901-MAX1904 |
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M
500kHz Multi-Output, Low-Noise Power-Supply
Controllers for Notebook Computers
4
_______________________________________________________________________________________
ELECTRICAL CHARACTERISTICS (continued)
(V+ = 15V, both PWMs on, SYNC = V
L
, V
L
load = 0, REF load = 0,
SKIP
= 0,
T
A
= 0
°
C to +85
°
C
, unless otherwise noted. Typical
values are at T
A
= +25
°
C.)
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
FAULT DETECTION
(MAX1901/MAX1902)
Overvoltage Trip Threshold
With respect to unloaded output voltage
4
7
10
%
Overvoltage Fault Propagation Delay
CSL_ driven 2% above overvoltage trip
threshold
1.5
μs
Output Undervoltage Threshold
With respect to unloaded output voltage
60
70
80
%
Output Undervoltage Lockout Time
From each SMPS enabled, with respect to
f
OSC
Typical hysteresis = 10
°
C
5,000
6,144
7,000
clks
Thermal-Shutdown Threshold
RESET
150
°
C
RESET
Trip Threshold
With respect to unloaded output voltage,
falling edge; typical hysteresis = 1%
-7
-5.5
-4
%
RESET
Propagation Delay
Falling edge, CSL_ driven 2% below
RESET
trip threshold
1.5
μs
RESET
Delay Time
INPUTS AND OUTPUTS
Feedback-Input Leakage Current
With respect to f
OSC
27,000
32,000
37,000
clks
FB3, FB5; SECFB = 2.6V
1
50
nA
Logic Input-Low Voltage
RUN/ON3,
SKIP
, TIME/ON5 (SEQ = REF),
SHDN
, STEER, SYNC
0.6
V
Logic Input-High Voltage
RUN/ON3,
SKIP
, TIME/ON5 (SEQ = REF),
SHDN
, STEER, SYNC
2.4
V
Input Leakage Current
RUN/ON3,
SKIP
, TIME/ON5 (SEQ = REF),
SHDN
, STEER, SYNC, SEQ; V
PIN
= 0V or 3.3V
RESET
, I
SINK
= 4mA
RESET
= 3.5V
SEQ = 0 or V
L
TIME/ON5 = 0, SEQ = 0 or V
L
TIME/ON5; RUN/ON3 = 0, SEQ = 0 or V
L
DL3, DH3, DL5, DH5; forced to 2V
±
1
μA
Logic Output-Low Voltage
Logic Output-High Current
TIME/ON5 Input Trip Level
TIME/ON5 Source Current
TIME/ON5 On-Resistance
Gate-Driver Sink/Source Current
0.4
V
1
mA
V
μA
A
2.4
2.5
2.6
3.5
80
3
15
1
1.5
1.5
SSOP package
QFN package
7
8
Gate-Driver On-Resistance
High or low (Note 6)
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