MAX1711 Maxim, MAX1711 Datasheet - Page 4

• Manufacturer Part Number: MAX1711
• Description: High-Speed / Digitally Adjusted Step-Down Controllers for Notebook CPUs
• Manufacturer: Maxim

ELECTRICAL CHARACTERISTICS
(Circuit of Figure 1, V
ELECTRICAL CHARACTERISTICS (continued)
(Circuit of Figure 1, V
High-Speed, Digitally Adjusted
Step-Down Controllers for Notebook CPUs
4
TON V
TON Float Voltage
TON Reference Level
TON GND Level
TON Logic Input Current
Input Voltage Range
DC Output Voltage Accuracy
On-Time
Minimum Off-Time
Quiescent Supply Current (V
Reference Voltage
Overvoltage Trip Threshold
Output Undervoltage
Protection Threshold
Current-Limit Threshold
(Positive Direction, Fixed)
Current-Limit Threshold
(Positive Direction, Adjustable)
V
Threshold
Logic Input High Voltage
Logic Input Low Voltage
Logic Input Current
Logic Input Pull-Up Current
CC
_______________________________________________________________________________________
Undervoltage Lockout
CC
PARAMETER
PARAMETER
Level
BATT
BATT
=15V, V
= 15V, V
CC
)
CC
CC
Battery voltage, V+
V
V
D/A codes, includes load
regulation error
V
FB = 2V
(Note 2)
(Note 2)
Measured at V
V
With respect to unloaded output voltage (MAX1710)
(MAX1711)
With respect to unloaded output voltage (MAX1710)
(MAX1711)
LX to PGND, ILIM tied to V
LX to PGND
Rising edge, hysteresis = 20mV, PWM disabled below
this level
D0–D4, SHDN, SKIP, OVP
D0–D4, SHDN, SKIP, OVP
SHDN, SKIP, OVP
D0–D4, each forced to GND
TON logic input high level
TON logic input upper-mid-range level
TON logic input lower-mid-range level
TON logic input low level
TON only, forced to GND or V
= V
CC,
BATT
BATT
CC
= V
DD
= 4.5V to 5.5V, no external REF load
V
DD
= 24V,
DD
= 4.5V to 28V, for all
= 5V, SKIP = GND, T
= 5V, SKIP = GND, T
CC
TON = GND (550kHz)
TON = REF (400kHz)
TON = open (300kHz)
TON = V
, FB forced above the regulation point
CONDITIONS
CONDITIONS
R
R
CC
LIM
LIM
CC
(200kHz)
= 100kΩ
= 400kΩ
A
CC
DAC codes from 1.32V to 2V
DAC codes from 0.925V to
1.275V
A
= -40°C to +85°C, unless otherwise noted.) (Note 3)
= 0°C to +85°C, unless otherwise noted.)
V
CC
1.98
2.20
0.75
3.15
1.65
MIN
MIN
-1.5
-1.7
140
175
260
380
160
4.5
4.1
2.4
10
65
85
35
-3
-1
2
3
- 0.4
TYP
TYP
MAX
MAX
2.02
2.30
0.85
3.85
2.35
180
225
320
470
500
950
115
240
0.5
5.5
1.5
1.7
4.4
0.8
28
15
75
65
10
3
1
UNIT
UNIT
mV
mV
µA
µA
µA
µA
ns
ns
%
%
%
%
V
V
V
V
V
V
V
V
V
V
V