MAX1710EEG Datasheet Download

Part No.:
MAX1710EEG
Download:
Download Datasheet
Description:
[High-Speed, Digitally Adjusted Step-Down Controllers for Notebook CPUs]
File Size:
299 K
Page:
28 Pages
Logo:
Manufacturer:
MAXIM [ MAXIM INTEGRATED PRODUCTS ]
PCB Prototype
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High-Speed, Digitally Adjusted
Step-Down Controllers for Notebook CPUs
MAX1710/MAX1711
ELECTRICAL CHARACTERISTICS (continued)
(Circuit of Figure 1, V
BATT
= 15V, V
CC
= V
DD
= 5V,
SKIP
= GND,
T
A
=
0°C to +85°C,
unless otherwise noted.)
PARAMETER
TON V
CC
Level
TON Float Voltage
TON Reference Level
TON GND Level
TON Logic Input Current
CONDITIONS
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
CC
-3
MIN
V
CC
- 0.4
3.15
1.65
3.85
2.35
0.5
3
TYP
MAX
UNIT
V
V
V
V
µA
ELECTRICAL CHARACTERISTICS
(Circuit of Figure 1, V
BATT
=15V, V
CC
= V
DD
= 5V,
SKIP
= GND,
T
A
= -40°C to +85°C,
unless otherwise noted.) (Note 3)
PARAMETER
Input Voltage Range
Battery voltage, V+
V
CC,
V
DD
V
BATT
= 4.5V to 28V, for all
D/A codes, includes load
regulation error
DAC codes from 1.32V to 2V
DAC codes from 0.925V to
1.275V
CONDITIONS
MIN
2
4.5
-1.5
-1.7
140
175
260
380
TYP
MAX
28
5.5
1.5
1.7
180
225
320
470
500
950
1.98
10
2.20
65
0.75
85
35
160
4.1
2.4
0.8
-1
3
1
10
2.02
15
2.30
75
0.85
115
65
240
4.4
ns
µA
V
%
V
%
V
mV
mV
V
V
V
µA
µA
ns
UNIT
V
%
%
DC Output Voltage Accuracy
On-Time
TON = GND (550kHz)
V
BATT
= 24V, TON = REF (400kHz)
FB = 2V
TON = open (300kHz)
(Note 2)
TON = V
CC
(200kHz)
(Note 2)
Measured at V
CC
, FB forced above the regulation point
V
CC
= 4.5V to 5.5V, no external REF load
With respect to unloaded output voltage (MAX1710)
(MAX1711)
With respect to unloaded output voltage (MAX1710)
(MAX1711)
LX to PGND, ILIM tied to V
CC
LX to PGND
R
LIM
= 100kΩ
R
LIM
= 400kΩ
Minimum Off-Time
Quiescent Supply Current (V
CC
)
Reference Voltage
Overvoltage Trip Threshold
Output Undervoltage
Protection Threshold
Current-Limit Threshold
(Positive Direction, Fixed)
Current-Limit Threshold
(Positive Direction, Adjustable)
V
CC
Undervoltage Lockout
Threshold
Logic Input High Voltage
Logic Input Low Voltage
Logic Input Current
Logic Input Pull-Up Current
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
4
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