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參數(shù)資料
| 型號： | MAX1718 |
| 廠商： | Maxim Integrated Products, Inc. |
| 元件分類： | 數(shù)字信號處理 |
| 英文描述： | Replaced by TMS320VC5506 : Digital Signal Processors 100-LQFP -40 to 85 |
| 中文描述： | 筆記本電腦CPU降壓型控制器，用于Intel移動電壓定位(IMVP-II) |
| 文件頁數(shù)： | 4/35頁 |
| 文件大小： | 700K |
| 代理商： | MAX1718 |
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M
Notebook CPU Step-Down Controller for Intel
Mobile Voltage Positioning (IMVP-II)
4
_______________________________________________________________________________________
ELECTRICAL CHARACTERISTICS
(Circuit of Figure 1, V+ = 15V, V
CC
= V
DD
= SKP/
SDN
= 5V, V
OUT
= 1.25V,
T
A
= -40°C to +85°C
, unless otherwise noted.) (Note 2)
ELECTRICAL CHARACTERISTICS (continued)
(Circuit of Figure 1, V+ = 15V, V
CC
= V
DD
= SKP/
SDN
= 5V, V
OUT
= 1.25V,
T
A
= 0°C to +85°C
, unless otherwise noted.)
-8
-12
-12
230
165
320
465
+8
+12
+12
290
215
390
565
-2.0
+2.0
-1.5
+1.5
MIN
TYP
MAX
TON = V
CC
(200kHz)
TON = open (300kHz)
TON = REF (550kHz)
V+ = 12V, FB = 1.2V
On-Time (Note 1)
V+ = 5V, FB = 1.2V, TON = GND (1000kHz)
38kHz nominal, R
TIME
= 470k
380kHz nominal, R
TIME
= 47k
150kHz nominal, R
TIME
= 120k
TIME Frequency Accuracy
DAC codes from 0.6V to 0.875V
DAC codes from 0.9V to 1.75V
V+ = 4.5V to 28V,
includes load
regulation error
CONDITIONS
DC Output Voltage Accuracy
PARAMETER
UNITS
%
%
ns
PWM CONTROLLER
V
SKP/
SDN
Float Level
I
SKP/
SDN
= 0μA
1.8
2.2
PARAMETER
CONDITIONS
MIN
TYP
1.6
35
MAX
UNITS
A
DL forced to 2.5V
DL rising
DL Gate-Driver Source Current
D0
–
D4 Pullup/Pulldown
Entering impedance mode
Pullup
Pulldown
40
8
k
μA
-1
-1
+1
+1
D0
–
D4, ZMODE = GND
ZMODE, SUS,
OVP
For high
For open
For REF
For low
Logic Input Current
4 Level Input Logic Levels
(TON, S0, S1)
V
CC
- 0.4
3.15
1.65
3.85
2.35
0.5
V
μA
-3
+3
SKP/
SDN
, S0, S1, TON forced to GND or V
CC
SKP/
SDN,
S0, S1, and TON Input
Current
SKP/
SDN
Input Levels
SKP/
SDN
= logic high (SKIP mode)
SKP/
SDN
= open (PWM mode)
SKP/
SDN
= logic low (shutdown mode)
To enable no-fault mode
V
12
15
0.5
1.4
2.2
2.8
6
k
95
D0
–
D4, 0 to 0.4V or 2.6V to 5.5V applied through resistor,
ZMODE = V
CC
DAC B-Mode Programming
Resistor, High
k
1.05
D0
–
D4, 0 to 0.4V or 2.6V to 5.5V applied through resistor,
ZMODE = V
CC
DAC B-Mode Programming
Resistor, Low
V
0.8
D0
–
D4, ZMODE, SUS,
OVP
Logic Input Low Voltage
V
2.4
D0
–
D4, ZMODE, SUS,
OVP
Logic Input High Voltage
26
DH rising
ns
Dead Time
LOGIC AND I/O
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| MAX1718EEI+ | 制造商:Maxim Integrated Products 功能描述:LDO CNTRLR STDN 0.6V TO 1.75V 28QSOP - Rail/Tube |
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