MAX8524 MAXIM [Maxim Integrated Products], MAX8524 Datasheet - Page 5

• 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.) (Note 2)
SOFT-START
Soft-Start Time per Step
VOLTAGE REGULATION
RS+ Input Bias Current
RS- Input Bias Current
V
CURRENT-SENSE AMPLIFIERS
CS_+, CS_- Input Bias Current
ILIM Input Bias Current
OSCILLATOR
Switching Frequency Range
(per Phase)
Slave-Mode CLKI/Set Frequency
Ratio
LOGIC INPUTS (EN)
Input Low Level
Input High Level
Input Pullup Resistance
LOGIC INPUTS (CLKI)
Input Low Level
Input High Level
Input Pulldown Resistance
MAX8524 LOGIC INPUTS (VID0–VID4)
Input Low Level
Input High Level
Input Pullup Resistance
MAX8525 LOGIC INPUTS (VID0–VID5)
Input Low Level
Input High Level
CC
OUT
= 5V, VID_ = high, ILIM = 1.5V, EN = open, RS- = GND = 0V, CLKI = open, CLKO = open, R
Initial Accuracy
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
_______________________________________________________________________________________
Soft-start counts from EN rising (Note 1)
V
V
VID_ = 1.1V
CS_+ = CS_- = 2V, RS+ = 0V
V
V
V
Internal pullup
V
V
Internal pulldown
V
V
Internal pullup resistance
V
V
RS+
RS-
ILIM
CC
CC
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
= 0.2V
= 1.1V
= 1.5V
CONDITIONS
A
= -40°C to +85°C, unless otherwise
MIN
150
0.8
2.8
3.6
1.7
0.8
17
50
50
10
OSC
-1
Positioning
= 95.3kΩ to GND, PWRGD =
TYP
MAX
1200
200
200
0.4
4.0
0.8
1.2
0.8
+1
23
20
1
1
5
1
UNITS
kHz
µA
µA
µA
kΩ
kΩ
kΩ
µs
µA
%
V
V
V
V
V
V
V
V
5