MAX8734 Maxim Integrated Products, MAX8734 Datasheet - Page 4

• Manufacturer Part Number: MAX8734
• Description: (MAX8732 - MAX8734) Main Power-Supply Controllers
• Manufacturer: Maxim Integrated Products

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ELECTRICAL CHARACTERISTICS (continued)
(Circuit of Figure 1 and Figure 2, no load on LDO5, LDO3, OUT3, OUT5, and REF, V+ = 12V, ON3 = ON5 = V
T
High-Efficiency, Quad-Output, Main Power-
Supply Controllers for Notebook Computers
4
Overvoltage Fault
Propagation Delay
PGOOD Threshold
PGOOD Propagation Delay
PGOOD Output Low Voltage
PGOOD Leakage Current
Thermal-Shutdown Threshold
Output Undervoltage
Shutdown Threshold
Output Undervoltage
Shutdown Blanking Time
INPUTS AND OUTPUTS
Feedback Input Leakage Current
PRO Input Voltage
SKIP Input Voltage
TON Input Voltage
ON3, ON5 Input Voltage
Input Leakage Current
SHDN Input Trip Level
DH_ Gate-Driver
Sink/Source Current
DL_ Gate-Driver Source Current
DL_ Gate-Driver Sink Current
DH_ Gate-Driver On-Resistance
DL_ Gate-Driver On-Resistance
A
= 0°C to +85°C, unless otherwise noted. Typical values are at T
_______________________________________________________________________________________
PARAMETER
FB3 or FB5 delay with 50mV overdrive
FB3 or FB5 with respect to nominal output, falling edge,
typical hysteresis = 1%
Falling edge, 50mV overdrive
I
High state, forced to 5.5V
FB3 or FB5 with respect to nominal output voltage
From ON_ signal
V
Low level
High level
Low level
Float level
High level
Low level
High level
Clear fault level/SMPS off level
Delay start level
SMPS on level
V
V
V
V
V
V
Rising edge
Falling edge
DH3, DH5 forced to 2V
DL3 (source), DL5 (source), forced to 2V
DL3 (sink), DL5 (sink), forced to 2V
BST - LX_ forced to 5V
DL_, high state (pullup)
DL_, low state (pulldown)
SINK
FB3
ON_
CS_
ILIM3
PRO
SKIP
SHDN
= V
= 4mA
= 0 or 5V
= 0 or 5V
or V
, V
= 0 or 5V
= 0 or 24V
FB5
ILIM5
TON
= 2.2V
= 0 or 2V
= 0 or 5V
CONDITIONS
A
= +25°C.)
-200
MIN
0.96
-0.2
-12
1.5
1.7
2.4
2.4
1.7
2.4
1.2
65
10
-1
-2
-1
-1
-2
+160
TYP
1.00
-9.5
+40
1.6
1.7
3.3
1.5
2.2
0.6
10
10
70
22
2
CC
MAX
+200
+0.2
1.04
0.3
0.6
0.8
2.3
0.8
0.8
2.3
2.0
4.0
5.0
1.5
+1
+2
+1
+1
+2
75
35
-7
1
, V
SHDN
UNITS
ms
µA
nA
µA
µs
µs
o
= 5V,
%
%
V
V
V
V
V
V
A
A
A
C