MAX1999EEI+T Maxim Integrated Products, MAX1999EEI+T Datasheet - Page 7

• Manufacturer Part Number: MAX1999EEI+T
• Description: IC CNTRLR PS QUAD HI EFF 28QSOP
• Manufacturer: Maxim Integrated Products
• Type: Step-Down (Buck)r

Specifications of MAX1999EEI+T

• Internal Switch(s): No
• Synchronous Rectifier: Yes
• Number Of Outputs: 4
• Voltage - Output: 3.3V, 5V, 2 ~ 5.5 V
• Current - Output: 10A
• Frequency - Switching: 200kHz, 300kHz, 400kHz, 550kHz
• Voltage - Input: 6 ~ 24 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 28-QSOP
• Power - Output: 860mW
• Output Voltage: 3.3 V, 2 V to 5.5 V
• Input Voltage: 6 V to 24 V
• Mounting Style: SMD/SMT
• Maximum Operating Temperature: + 85 C
• Minimum Operating Temperature: - 40 C
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

ELECTRICAL CHARACTERISTICS (continued)
(Circuit of Figure 1 and Figure 2, no load on LDO5, LDO3, OUT3, OUT5, and REF, V+ = 12.0.V, ON3 = ON5 = V
T
Note 1: Specifications to -40°C are guaranteed by design, not production tested.
ON3, ON5 Input Voltage
Input Leakage Current
SHDN Input Trip Level
DH_ Gate-Driver On-Resistance
DL_ Gate-Driver On-Resistance
OUT3, OUT5 Discharge-Mode
On-Resistance
OUT3, OUT5 Discharge-Mode
Synchronous Rectifier
Turn-On Level
A
= -40°C to +85°C, unless otherwise noted.) (Note 1)
PARAMETER
Supply Controllers for Notebook Computers
High-Efficiency, Quad Output, Main Power-
_______________________________________________________________________________________
Clear fault level/SMPS off level
Delay start level
SMPS on level
V
V
V
V
V
V
Rising edge
Falling edge
BST - LX_ forced to 5V
DL_, high state (pullup)
DL_, low state (pulldown)
ON_
CS_
ILIM3
PRO
SKIP
SHDN
= 0 or 5V
= 0 or 5V
or V
, V
= 0 or 5V
= 0 or 24V
ILIM5
TON
= 0 or 2V
= 0 or 5V
CONDITIONS
0.96
MIN
-0.2
1.7
2.4
1.2
0.2
-1
-1
-2
-1
-2
TYP
CC
MAX
+0.2
1.04
0.8
2.3
2.0
4.0
5.0
1.5
0.4
+1
+1
+2
+1
+2
40
, V
SHDN
UNITS
µA
Ω
Ω
Ω
V
V
V
= 5V,
7