MAX8543EEE+ Maxim Integrated Products, MAX8543EEE+ Datasheet - Page 2

• Manufacturer Part Number: MAX8543EEE+
• Description: IC CNTRLR STEP DOWN 16-QSOP
• Manufacturer: Maxim Integrated Products
• Type: Step-Down (Buck)r

Specifications of MAX8543EEE+

• Internal Switch(s): No
• Synchronous Rectifier: No
• Number Of Outputs: 1
• Voltage - Output: 0.8 ~ 11 V
• Current - Output: 25A
• Frequency - Switching: 200kHz ~ 1MHz
• Voltage - Input: 3 ~ 13.2 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 16-QSOP
• Power - Output: 667mW
• Output Voltage: 0.8 V to 11.88 V
• Output Current: 25000 mA
• Mounting Style: SMD/SMT
• Switching Frequency: 200 KHz to 1000 KHz
• Maximum Operating Temperature: + 85 C
• Minimum Operating Temperature: - 40 C
• Synchronous Pin: Yes
• Topology: Buck
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

ABSOLUTE MAXIMUM RATINGS
IN, EN, CS+, CS- to GND .......................................-0.3V to +14V
BST, DH to LX ..........................................................-0.3V to +6V
BST to GND ............................................................-0.3V to +20V
DL, COMP, ILIM2, SS, SYNCO,
VL, FB, POK, ILIM1, ILIM, MODE to GND ................-0.3V to +6V
PGND to GND .......................................................-0.3V to +0.3V
Step-Down Controllers with Prebias Startup,
Lossless Sensing, Synchronization, and OVP
Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional
operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to
absolute maximum rating conditions for extended periods may affect device reliability.
ELECTRICAL CHARACTERISTICS
(V
2
Operating Input Voltage Range
Quiescent Supply Current
Shutdown Supply Current
VL Undervoltage-Lockout Trip Level
Output Voltage Adjust Range (V
VL Output Voltage
VL Output Current
VOLTAGE REFERENCE
SS Shutdown Resistance
SS Soft-Start Current
Soft-Start Ramp Time
ERROR AMPLIFIER
FB Regulation Voltage
Transconductance
COMP Shutdown Resistance
FB Input Leakage Current
FB Input Common-Mode Range
CURRENT-SENSE AMPLIFIER
Voltage Gain
CURRENT LIMIT
ILIM2 Output Current (MAX8544 Only)
ILIM1 Input Current
IN
FSYNC to GND .......................................-0.3V to (V
_______________________________________________________________________________________
= 13.2V, V
PARAMETER
BST
- V
LX
= 5V, T
A
OUT
= 0°C to +85°C, unless otherwise noted. Typical values are at T
)
VL connected to IN for V
V
EN = GND, MODE = GND, IN not connected to VL
EN = GND, VL = IN, MODE = GND
V
(Note 1)
5.5V < V
From SS to GND, V
V
Output from 0% to 100%, C
From COMP to GND, V
V
V
R
V
FB
VL
REF
FB
OUT
ILIM1
ILIM2
rising, typical hysteresis is 80mV
= 0.9V, no switching
= 0.9V
= 0.625V
= 0 to 13V
= 0V or V
= 50kΩ to 200kΩ
IN
VL
< 13.2V, 1mA < I
+ 0.3V)
VL
CONDITIONS
EN
= 0V
EN
IN
= 0V
Continuous Power Dissipation (T
Operating Temperature Range ...........................-40°C to +85°C
Junction Temperature ......................................................+150°C
Storage Temperature Range .............................-65°C to +150°C
Lead Temperature (soldering, 10s) .................................+300°C
< 5.5V
REF
VL
16-Pin QSOP (derate 8.3mW/°C above +70°C) .......666.7mW
20-Pin QSOP (derate 9.1mW/°C above +70°C) .......727.3mW
< 75mA
= 0.01µF to 1µF
V
V
V
V
ILIM1
ILIM1
ILIM1
ILIM1
= 0V
= (1/3)V
= (2/3)V
= V
VL
VL
VL
0.792
A
MIN
2.52
-0.1
3.0
0.8
4.5
8.8
4.8
3.2
2.4
4.5
14
70
-1
= +25°C.)
A
= +70°C)
TYP
110
2.7
0.8
20
24
33
20
11
2
5
5
6
4
3
5
0.808
MAX
+0.9
13.2
2.88
13.2
100
160
100
100
5.5
7.2
4.8
3.6
5.5
+1
10
20
75
34
3
UNITS
ms/µF
V / V
mA
mA
µA
µA
µS
nA
µA
µA
Ω
Ω
V
V
V
V
V
V