MAX1718 Maxim, MAX1718 Datasheet - Page 4

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

ELECTRICAL CHARACTERISTICS
(Circuit of Figure 1, V+ = 15V, V
Notebook CPU Step-Down Controller for Intel
Mobile Voltage Positioning (IMVP - II)
ELECTRICAL CHARACTERISTICS (continued)
(Circuit of Figure 1, V+ = 15V, V
4
PWM CONTROLLER
LOGIC AND I/O
DC Output Voltage Accuracy
TIME Frequency Accuracy
On-Time (Note 1)
DL Gate-Driver Source Current
Dead Time
Logic Input High Voltage
Logic Input Low Voltage
DAC B-Mode Programming
Resistor, Low
DAC B-Mode Programming
Resistor, High
D0–D4 Pullup/Pulldown
Logic Input Current
4 Level Input Logic Levels
(TON, S0, S1)
SKP/SDN, S0, S1, and TON Input
Current
SKP/SDN Input Levels
SKP/SDN Float Level
_______________________________________________________________________________________
PARAMETER
PARAMETER
CC
CC
= V
= V
DL forced to 2.5V
DL rising
DH rising
D0–D4, ZMODE, SUS, OVP
D0–D4, ZMODE, SUS, OVP
D0–D4, 0 to 0.4V or 2.6V to 5.5V applied through resistor,
ZMODE = V
D0–D4, 0 to 0.4V or 2.6V to 5.5V applied through resistor,
ZMODE = V
Entering impedance mode
D0–D4, ZMODE = GND
ZMODE, SUS, OVP
For low
SKP/SDN, S0, S1, TON forced to GND or V
To enable no-fault mode
I
V+ = 4.5V to 28V,
includes load
regulation error
150kHz nominal, R
380kHz nominal, R
38kHz nominal, R
V+ = 5V, FB = 1.2V, TON = GND (1000kHz)
V+ = 12V, FB = 1.2V
For high
For open
For REF
SKP/SDN = logic high (SKIP mode)
SKP/SDN = open (PWM mode)
SKP/SDN = logic low (shutdown mode)
SKP/SDN
DD
DD
= SKP/SDN = 5V, V
= SKP/SDN = 5V, V
= 0µA
CC
CC
TIME
TIME
TIME
CONDITIONS
CONDITIONS
DAC codes from 0.9V to 1.75V
DAC codes from 0.6V to 0.875V
= 470kΩ
= 120kΩ
= 47kΩ
OUT
OUT
= 1.25V, T
= 1.25V, T
TON = open (300kHz)
TON = REF (550kHz)
TON = V
Pullup
Pulldown
A
CC
A
= 0°C to +85°C, unless otherwise noted.)
= -40°C to +85°C, unless otherwise noted.) (Note 2)
(200kHz)
CC
V
CC
3.15
1.65
MIN
MIN
-1.5
-2.0
165
320
465
230
-12
-12
2.4
2.8
1.4
1.8
95
12
-1
-1
-3
-8
- 0.4
TYP
TYP
1.6
35
26
40
8
MAX
MAX
1.05
3.85
2.35
+1.5
+2.0
+12
+12
290
215
390
565
0.8
0.5
2.2
0.5
2.2
+1
+1
+3
+8
15
6
UNITS
UNITS
kΩ
kΩ
kΩ
µA
µA
ns
ns
%
%
A
V
V
V
V
V