MAX1954AEUB-T Maxim Integrated Products, MAX1954AEUB-T Datasheet - Page 3

• Manufacturer Part Number: MAX1954AEUB-T
• Description: Current Mode PWM Controllers
• Manufacturer: Maxim Integrated Products

Specifications of MAX1954AEUB-T

• Number Of Outputs: 1
• Duty Cycle (max): 93 %
• Output Voltage: 0.8 V to 4.95 V
• Output Current: 25000 mA
• Mounting Style: SMD/SMT
• Package / Case: uSOP-10
• Switching Frequency: 360 KHz
• Maximum Operating Temperature: + 85 C
• Minimum Operating Temperature: - 40 C
• Synchronous Pin: No
• Topology: Boost, Buck
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

ELECTRICAL CHARACTERISTICS (continued)
(V
ELECTRICAL CHARACTERISTICS
(V
SOFT-START
Soft-Start Period
Soft-Start Levels
FET DRIVERS
DH, DL Output Low Voltage
DH, DL Output High Voltage
DH Pullup/Pulldown,
DL Pullup On-Resistance
DL Pulldown On-Resistance
LX, BST, HSD Leakage Current
THERMAL PROTECTION
Thermal Shutdown
SHUTDOWN CONTROL
COMP Logic-Level Low
COMP Logic-Level High
COMP Pullup Current
GENERAL
Operating Input Voltage Range
HSD Voltage Range
Quiescent Supply Current
Standby Supply Current
Undervoltage Lockout Trip Level
DC-DC CONTROLLER
Output-Voltage Adjust Range
(V
ERROR AMPLIFIER
FB Regulation Voltage
Transconductance
FB Input Leakage Current
FB Input Common-Mode Range
COMP Output-Voltage Swing
IN
IN
OUT
= 5V, V
= 5V, V
)
PARAMETER
PARAMETER
BST
BST
- V
- V
LX
LX
_______________________________________________________________________________________
= 5V, T
= 5V, T
Controller with Foldback Current Limit
A
A
= 0 C to +85 C, unless otherwise noted.)
= -40 C to +85 C, unless otherwise noted.) (Note 2)
Low-Cost, Current-Mode PWM Buck
I
I
V
Rising temperature, 15 C hysteresis
3V < V
3V < V
(Note 1)
V
V
COMP = GND
Rising V
V
SINK
SOURCE
BST
FB
IN
FB
= V
= 1.5V
= 0.9V
= 10mA
= 18.7V, V
IN
IN
BST
IN
= 10mA
< 5.5V
< 5.5V
3% (typ) hysteresis
= 5.5V, V
LX
= 13.2V, V
HSD
CONDITIONS
CONDITIONS
= 13.2V, LX = unconnected,
IN
= 5.5V, V
HSD
= 13.2V
V
V
IN
2.50
MIN
MIN
BS T
-2.5
-0.1
0.8
3.0
3.0
0.8
0.8
70
- 0.1V or
- 0.1V
+160
TYP
12.5
3.4
1.5
1
0.9 x V
MAX
MAX
0.25
13.2
2.93
+1.0
+1.5
100
160
500
0.1
5.5
2.2
30
3
2
2
2
IN
UNITS
UNITS
mV
ms
mA
mA
µA
µA
NA
µS
%
V
V
V
V
V
V
V
V
V
V
C
3