MAX8524 MAXIM [Maxim Integrated Products], MAX8524 Datasheet - Page 4

• 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]

2- to 8-Phase VRM 10/9.1 PWM Controllers
with Precise Current Sharing and Fast Voltage
Positioning
ELECTRICAL CHARACTERISTICS (continued)
(V
100kΩ to V
noted.)
ELECTRICAL CHARACTERISTICS
(V
100kΩ to V
noted.) (Note 2)
4
PWRGD Upper Threshold
PWRGD Lower Threshold
OVP PROTECTION
Output Overvoltage Trip
Threshold, OVP Action
PWM, CKLO OUTPUTS
Output Low Level
Output High Level
Source Current
Sink Current
Rise/Fall Times
PWM Selection Threshold
GENERAL
V
V
V
V
V
REFERENCE
Reference Voltage
Reference Load Regulation
Reference Line Regulation
Reference UVLO Trip Level
CC
CC
CC
CC
CC
CC
CC
_______________________________________________________________________________________
= 5V, VID_ = high, ILIM = 1.5V, EN = open, RS- = GND = 0V, CLKI = open, CLKO = open, R
= 5V, VID_ = high, ILIM = 1.5V, EN = open, RS- = GND = 0V, CLKI = open, CLKO = open, R
Operating Range
UVLO Trip Level
Shutdown Supply Current
Standby Supply Current
Operating Supply Current
PARAMETER
PARAMETER
CC
CC
, PWM_ = open, COMP = 1V, CS_+ = 1.1V, CS1_3- = CS2_4- = RS+ = 1.1V, T
, PWM_ = open, COMP = 1V, CS_+ = 1.1V, CS1_3- = CS2_4- = RS+ = 1.1V, T
Output rising
Output falling
Output falling
Output rising
MAX8524 output rising
MAX8525 output rising
I
I
V
V
V
Rising, typical hysteresis 270mV
V
EN = 0V, V
RS+ = 1.2V (no switching), set VID code for 1.100V
I
100µA < I
4.5V < V
Rising edge, has 80mV typical hysteresis
PWM_
PWM_
REF
PWM_
PWM_
CC
CC
= 4.5V to 5.5V
< 3.75V, VID_ = high
= 200µA
= -5mA
= +5mA
= V
= 2V
CC
REF
CC
CC
< 5.5V
- 2V
< 500µA
= 5.5V
CONDITIONS
CONDITIONS
A
VID +
VID +
A
VID +
0.125
VID +
0.075
0.250
0.175
0.175
VID -
VID -
MIN
0.20
= -40°C to +85°C, unless otherwise
4.5
0.8
0.5%
-0.05
2.0 -
1.74
MIN
4.5
4.0
= 0°C to +85°C, unless otherwise
OSC
OSC
= 95.3kΩ to GND, PWRGD =
= 95.3kΩ to GND, PWRGD =
TYP
0.1
4.9
2.3
84
83
10
TYP
VID +
VID +
VID +
VID +
0.175
0.125
0.200
0.125
0.225
+0.05
VID -
VID -
2.0 +
MAX
0.4%
-0.05
0.25
MAX
1.95
0.4
3.1
5.5
4.5
20
20
3
UNITS
UNITS
mA
mA
mA
mA
mA
ns
V
V
V
V
V
V
%
%
V
V
V
V