MAX1711 Maxim, MAX1711 Datasheet - Page 3

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

ELECTRICAL CHARACTERISTICS (continued)
(Circuit of Figure 1, V
Overvoltage Trip Threshold
Overvoltage Fault Propagation
Delay
Output Undervoltage Protection
Threshold
Output Undervoltage Protection
Time
Current-Limit Threshold
(Positive Direction, Fixed)
Current-Limit Threshold
(Positive Direction, Adjustable)
Current-Limit Threshold
(Negative Direction)
Current-Limit Threshold
(Zero Crossing)
PGOOD Propagation Delay
PGOOD Output Low Voltage
PGOOD Leakage Current
Thermal Shutdown Threshold
V
Threshold
DH Gate-Driver On-Resistance
DL Gate-Driver On-Resistance
(Pull-Up)
DL Gate-Driver On-Resistance
(Pull-Down)
DH Gate-Driver Source/Sink
Current
DL Gate-Driver Sink Current
DL Gate-Driver Source Current
Dead Time
SKIP Input Current Logic
Threshold
PGOOD Trip Threshold
Logic Input High Voltage
Logic Input Low Voltage
Logic Input Current
Logic Input Pull-Up Current
CC
Undervoltage Lockout
PARAMETER
Step-Down Controllers for Notebook CPUs
_______________________________________________________________________________________
BATT
= 15V, V
CC
With respect to unloaded output voltage (MAX1710)
(MAX1711)
FB forced 2% above trip threshold
With respect to unloaded output voltage
With respect to unloaded output voltage (MAX1710)
(MAX1711)
From SHDN signal going high
LX to PGND, ILIM tied to V
LX to PGND
LX to PGND, T
LX to PGND
FB forced 2% below PGOOD trip threshold, falling edge
I
High state, forced to 5.5V
Hysteresis = 10°C
Rising edge, hysteresis = 20mV,
PWM disabled below this level
BST-LX forced to 5V
DL, high state
DL, low state
DH forced to 2.5V, BST-LX forced to 5V
DL forced to 2.5V
DL forced to 2.5V
DL rising
DH rising
To enable no-fault mode, T
Measured at FB with respect to unloaded output voltage,
falling edge, hysteresis = 1%
D0–D4, SHDN, SKIP, OVP
D0–D4, SHDN, SKIP, OVP
SHDN, SKIP, OVP
D0–D4, each forced to GND
SINK
= V
= 1mA
DD
= 5V, SKIP = GND, T
High-Speed, Digitally Adjusted
A
R
R
= +25°C
LIM
LIM
= 100kΩ
= 400kΩ
CONDITIONS
CC
A
= +25°C
A
= 0°C to +85°C, unless otherwise noted.)
-150
10.5
2.21
0.76
MIN
-1.5
170
4.1
2.4
65
10
90
40
-8
-1
3
TYP
12.5
2.25
-120
100
200
150
1.5
0.8
1.5
0.5
70
50
35
26
-5
3
1
3
1
5
MAX
14.5
2.29
0.84
-0.1
110
230
-80
0.4
4.4
1.7
0.8
75
30
60
10
-3
1
5
5
1
UNIT
mV
mV
mV
mV
mA
ms
µA
°C
µA
µA
µs
µs
ns
%
%
%
Ω
Ω
Ω
V
V
V
V
A
A
A
V
V
3