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參數(shù)資料
| 型號(hào)： | 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(yè)數(shù)： | 5/35頁(yè) |
| 文件大?。?/td> | 700K |
| 代理商： | MAX1718BEEI |
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M
Notebook CPU Step-Down Controller for Intel
Mobile Voltage Positioning (IMVP-II)
_______________________________________________________________________________________
5
ELECTRICAL CHARACTERISTICS (continued)
(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)
CONDITIONS
PARAMETER
TON = V
CC
, open, or REF (200kHz, 300kHz, or 550kHz)
Measured at V
DD
, FB forced above the regulation point
μA
5
Quiescent Supply Current (V
DD
)
Quiescent Battery Supply
Current (V+)
μA
40
SKP/
SDN
= 0
SKP/
SDN
= 0
μA
5
Shutdown Supply Current (V
DD
)
Shutdown Battery Supply
Current (V+)
μA
5
Shutdown Supply Current (V
CC
)
V
CC
= 4.5V to 5.5V, no REF load
SKP/
SDN
= 0, V
CC
= V
DD
= 0 or 5V
V
1.98
2.02
Reference Voltage
FAULT PROTECTION
μA
5
UNITS
MIN
TYP
MAX
500
Measured at FB
DL, low state (pulldown)
DL, high state (pullup)
GND - LX
Rising edge, hysteresis = 20mV, PWM disabled below this
level
GND - LX, ILIM = V
CC
With respect to unloaded output voltage
LX - GND, ILIM = V
CC
1.0
3.5
DL Gate Driver On-Resistance
V
4.1
4.4
V
CC
Undervoltage Lockout
Threshold
mV
-145
-90
Current-Limit Threshold Voltage
(Negative)
V
1.95
2.05
Overvoltage Trip Threshold
160
240
mV
33
65
Current-Limit Threshold Voltage
(Positive, Adjustable)
mV
80
115
Current-Limit Threshold Voltage
(Positive, Default)
%
65
75
Output Undervoltage Protection
Threshold
ILIM = 0.5V
ILIM = REF (2V)
Measured at V
CC
, FB forced above the regulation point
μA
1300
Quiescent Supply Current (V
CC
)
BST - LX forced to 5V
3.5
DH Gate Driver On-Resistance
TON = GND (1000kHz)
ns
375
Minimum Off-Time (Note 1)
Measured at FB with respect to unloaded output voltage
Measured at FB with respect to unloaded output voltage
%
%
-12.5
+7.5
-7.5
+12.5
VGATE Lower Trip Threshold
VGATE Upper Trip Threshold
GATE DRIVERS
BIAS AND REFERENCE
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| MAX1718BEEI+ | 制造商:Maxim Integrated Products 功能描述:NOTEBOOK CPU STEP-DOWN CONTROLLER FOR INTEL MOBILE VOLTAGE - Rail/Tube |
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| MAX1718EEI+T | 制造商:Maxim Integrated Products 功能描述:LDO CNTRLR STDN 0.6V TO 1.75V 28QSOP - Tape and Reel |
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