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