MAX1718 Maxim, MAX1718 Datasheet - Page 5

• Manufacturer Part Number: MAX1718
• Description: Notebook CPU Step-Down Controller for Intel Mobile Voltage Positioning IMVP-II
• Manufacturer: Maxim

ELECTRICAL CHARACTERISTICS (continued)
(Circuit of Figure 1, V+ = 15V, V
BIAS AND REFERENCE
FAULT PROTECTION
GATE DRIVERS
Minimum Off-Time (Note 1)
Quiescent Supply Current (V
Quiescent Supply Current (V
Quiescent Battery Supply
Current (V+)
Shutdown Supply Current (V
Shutdown Supply Current (V
Shutdown Battery Supply
Current (V+)
Reference Voltage
Overvoltage Trip Threshold
Output Undervoltage Protection
Threshold
Current-Limit Threshold Voltage
(Positive, Default)
Current-Limit Threshold Voltage
(Positive, Adjustable)
Current-Limit Threshold Voltage
(Negative)
V
Threshold
VGATE Lower Trip Threshold
VGATE Upper Trip Threshold
DH Gate Driver On-Resistance
DL Gate Driver On-Resistance
CC
Undervoltage Lockout
Notebook CPU Step-Down Controller for Intel
PARAMETER
_______________________________________________________________________________________
CC
DD
CC
DD
CC
)
)
)
)
Mobile Voltage Positioning (IMVP - II)
= V
TON = V
TON = GND (1000kHz)
Measured at V
Measured at V
SKP/SDN = 0
SKP/SDN = 0
SKP/SDN = 0, V
V
Measured at FB
With respect to unloaded output voltage
GND - LX, ILIM = V
GND - LX
LX - GND, ILIM = V
Rising edge, hysteresis = 20mV, PWM disabled below this
level
Measured at FB with respect to unloaded output voltage
Measured at FB with respect to unloaded output voltage
BST - LX forced to 5V
DL, high state (pullup)
DL, low state (pulldown)
CC
DD
= 4.5V to 5.5V, no REF load
= SKP/SDN = 5V, V
CC
, open, or REF (200kHz, 300kHz, or 550kHz)
CC
DD
CC
, FB forced above the regulation point
, FB forced above the regulation point
CC
CC
= V
CONDITIONS
DD
OUT
= 0 or 5V
= 1.25V, T
ILIM = 0.5V
ILIM = REF (2V)
A
= -40°C to +85°C, unless otherwise noted.) (Note 2)
-12.5
1.98
1.95
-145
+7.5
MIN
160
4.1
65
80
33
TYP
+12.5
MAX
1300
2.02
2.05
500
375
115
240
-7.5
-90
4.4
3.5
3.5
1.0
40
75
65
5
5
5
5
UNITS
mV
mV
mV
µA
µA
µA
µA
µA
µA
ns
%
%
%
Ω
Ω
V
V
V
5