MAX8524 MAXIM [Maxim Integrated Products], MAX8524 Datasheet - Page 3

• Manufacturer Part Number: MAX8524
• Description: 2- to 8-Phase VRM 10/9.1 PWM Controllers with Precise Current Sharing and Fast Voltage Positioning
• Manufacturer: MAXIM [Maxim Integrated Products]

ELECTRICAL CHARACTERISTICS (continued)
(V
100kΩ to V
noted.)
CURRENT-SENSE AMPLIFIERS
CS_+, CS_- Input Bias Current
Average Current-Limit Trip Level
Accuracy
ILIM Input Bias Current
ILIM Default Program Level
Peak Current-Limit Delay Time
OSCILLATOR
Oscillator Frequency Accuracy
Switching Frequency Range
(per Phase)
Slave-Mode CLKI/Set Frequency
Ratio
Maximum CLKO Duty-Cycle
Skew
LOGIC INPUTS (EN)
Input Low Level
Input High Level
Input Pullup Level
Input Pullup Resistance
LOGIC INPUTS (CLKI)
Input Low Level
Input High Level
Input Pulldown Level
Input Pulldown Resistance
MAX8524 LOGIC INPUTS (VID0–VID4)
Input Low Level
Input High Level
Input Pullup Level
Input Pullup Resistance
MAX8525 LOGIC INPUTS (VID0–VID5)
Input Low Level
Input High Level
PWRGD OUTPUT
Output Low Level
Output High Leakage
PWRGD Blanking Time
CC
= 5V, VID_ = high, ILIM = 1.5V, EN = open, RS- = GND = 0V, CLKI = open, CLKO = open, R
with Precise Current Sharing and Fast Voltage
PARAMETER
CC
, PWM_ = open, COMP = 1V, CS_+ = 1.1V, CS1_3- = CS2_4- = RS+ = 1.1V, T
2- to 8-Phase VRM 10/9.1 PWM Controllers
_______________________________________________________________________________________
I
V
From EN rising, tracks CLKO
V
V
CS_+ = CS_- = 2V, RS+ = 0V
V
V
V
CLKO load < 50pF and R
V
V
Internal pullup
Internal pullup
V
V
Internal pulldown
Internal pulldown
V
V
Internal pullup resistance
PWRGD
PWRGD
CC
CC
ILIM
ILIM
ILIM
CC
CC
CC
CC
CC
CC
= 4.5V to 5.5V
= 4.5V to 5.5V
= 4.5V to 5.5V
= 4.5V to 5.5V
= 4.5V to 5.5V
= 4.5V to 5.5V
= 4.5V to 5.5V
= 4.5V to 5.5V
= 1.5V, T
= 1.5V
≥ V
= 4mA
= 5.5V
CC
- 0.2V
A
= +85°C
CONDITIONS
OSC
= 40.2kΩ
A
MIN
150
-10
0.8
2.8
3.6
1.6
0.8
50
50
10
= 0°C to +85°C, unless otherwise
3
OSC
Positioning
= 95.3kΩ to GND, PWRGD =
GND
V
TYP
0.01
V
100
100
0.2
10
15
20
CC
2
CC
1
MAX
1200
+10
200
200
0.8
0.4
0.4
4.0
0.8
1.2
20
1
5
5
1
UNITS
kHz
ms
µA
µA
kΩ
kΩ
kΩ
µA
ns
%
%
%
V
V
V
V
V
V
V
V
V
V
V
V
V
3