參數(shù)資料
型號： MAX1718BEEI
廠商： MAXIM INTEGRATED PRODUCTS INC
元件分類： 穩(wěn)壓器
英文描述： Notebook CPU Step-Down Controller for Intel Mobile Voltage Positioning IMVP-II
中文描述： SWITCHING CONTROLLER, 1000 kHz SWITCHING FREQ-MAX, PDSO28
封裝： 0.150 INCH, 0.025 INCH PITCH, MO-137AD, QSOP-28
文件頁數(shù)： 2/35頁
文件大?。?/td> 700K
代理商： MAX1718BEEI
M
Notebook CPU Step-Down Controller for Intel
Mobile Voltage Positioning (IMVP-II)
2
_______________________________________________________________________________________
ABSOLUTE MAXIMUM RATINGS
V+ to GND..............................................................-0.3V to +30V
V
CC
, V
DD
to GND .....................................................-0.3V to +6V
D0
–
D4, ZMODE
,
VGATE,
OVP
, SUS, to GND .........-0.3V to +6V
SKP/
SDN
to GND ...................................................-0.3V to +16V
ILIM, CC, REF, POS, NEG, S1, S0,
TON, TIME to GND.................................-0.3V to (V
CC
+ 0.3V)
DL to GND..................................................-0.3V to (V
DD
+ 0.3V)
BST to GND............................................................-0.3V to +36V
DH to LX.....................................................-0.3V to (BST + 0.3V)
ELECTRICAL CHARACTERISTICS
(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.)
PARAMETER
CONDITIONS
PWM CONTROLLER
Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional
operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to
absolute maximum rating conditions for extended periods may affect device reliability.
LX to BST..................................................................-6V to +0.3V
REF Short Circuit to GND...........................................Continuous
Continuous Power Dissipation
28-Pin QSOP (derate 10.8mW/
°
C above +70
°
C).........860mW
Operating Temperature Range ..........................-40
°
C to +85
°
C
Junction Temperature......................................................+150
°
C
Storage Temperature.........................................-65
°
C to +150
°
C
Lead Temperature (soldering, 10s).................................+300
°
C
MIN
TYP
MAX
UNITS
V
2
28
5.5
4.5
Battery voltage, V+
V
CC
, V
DD
Input Voltage Range
DC Output Voltage Accuracy
V+ = 4.5V to 28V,
includes load
regulation error
DAC codes from 0.9V to 1.75V
DAC codes from 0.6V to 0.875V
-1
+1
-1.5
+1.5
%
%
Line Regulation Error
Input Bias Current
POS, NEG Common-Mode Range
POS, NEG Differential Range
POS, NEG Offset Gain
V
CC
= 4.5V to 5.5V, V
BATT
= 4.5V to 28V
FB, POS, NEG
5
mV
μA
V
mV
V/V
-0.2
0.4
-80
0.81
+0.2
2.5
+80
0.91
TIME Frequency Accuracy
150kHz nominal, R
TIME
= 120k
380kHz nominal, R
TIME
= 47k
38kHz nominal, R
TIME
= 470k
V+ = 5V, FB = 1.2V, TON = GND (1000kHz)
-8
-12
-12
230
165
320
465
+8
+12
+12
290
215
390
565
500
375
260
190
355
515
400
300
%
ns
TON = REF (550kHz)
TON = open (300kHz)
TON = V
CC
(200kHz)
V+ = 12V, FB = 1.2V
On-Time (Note 1)
Minimum Off-Time (Note 1)
TON = V
CC
, open, or REF (200kHz, 300kHz, or 550kHz)
TON = GND (1000kHz)
ns
μA
μA
700
<1
1200
5
Measured at V
CC
, FB forced above the regulation point
Measured at V
DD
, FB forced above the regulation point
Quiescent Supply Current (V
CC
)
Quiescent Supply Current (V
DD
)
Quiescent Battery Supply
Current (V+)
Shutdown Supply Current (V
CC
)
Shutdown Supply Current (V
DD
)
Shutdown Battery Supply
Current (V+)
Reference Voltage
μA
25
40
SKP/
SDN
= GND
SKP/
SDN
= GND
2
5
5
<1
μA
μA
μA
<1
5
SKP/
SDN
= GND, V
CC
= V
DD
= 0V or 5V
V
CC
= 4.5V to 5.5V, no REF load
1.98
2
2.02
V
POS - NEG
V
FB
/ (POS - NEG); POS - NEG = 50mV
0.86
BIAS AND REFERENCE
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