MAX1954AEUB+ | |
|---|---|
| Manufacturer Part Number | MAX1954AEUB+ |
| Description | IC CNTRLR PWM BUCK 10-UMAX |
| Manufacturer | Maxim Integrated Products |
| Type | Step-Down (Buck) |
| MAX1954AEUB+ datasheets |
|
Availability: By request
International delivery:
Warranty: 60 days
×
- We provide standard 60-days warranty for all parts. If warranty differs we always mention it beforehand. In case of return we cover shipping costs.
- If you still have any questions - please contact us
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Specifications of MAX1954AEUB+ | |||
|---|---|---|---|
| Internal Switch(s) | No | Synchronous Rectifier | Yes |
| Number Of Outputs | 1 | Voltage - Output | 0.8 ~ 11.35 V |
| Current - Output | 25A | Frequency - Switching | 300kHz |
| Voltage - Input | 3 ~ 13.2 V | Operating Temperature | -40°C ~ 85°C |
| Mounting Type | Surface Mount | Package / Case | 10-MSOP, Micro10™, 10-uMAX, 10-uSOP |
| Power - Output | 444mW | Duty Cycle (max) | 93 % |
| Output Voltage | 0.8 V to 4.95 V | Output Current | 25000 mA |
| Mounting Style | SMD/SMT | 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 | ||
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ABSOLUTE MAXIMUM RATINGS
IN, FB to GND...........................................................-0.3V to +6V
LX to BST..................................................................-6V to +0.3V
BST to GND ............................................................-0.3V to +20V
DH to LX ................................................... -0.3V to (V
DL, COMP to GND.......................................-0.3V to (V
HSD to GND..............................................................-0.3V to 14V
PGND to GND .......................................................-0.3V to +0.3V
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
= 5V, V
- V
= 5V, T
= 0 C to +85 C, unless otherwise noted.)
IN
BST
LX
A
PARAMETER
GENERAL
Operating Input Voltage Range
HSD Voltage Range
(Note 1)
Quiescent Supply Current
V
FB
V
= V
IN
Standby Supply Current
COMP = GND
Undervoltage-Lockout Trip Level
Falling V
DC-DC CONTROLLER
Output-Voltage Adjust Range
Maximum output voltage depends on external components
(V
)
and maximum duty cycle
OUT
ERROR AMPLIFIER
FB Regulation Voltage
Transconductance
Voltage Gain
FB Input Leakage Current
V
FB
FB Input Common-Mode Range
COMP Output-Voltage Swing
Current-Sense Amplifier
Voltage Gain
Current-Limit Threshold
V
PGND
OSCILLATOR
Switching Frequency
MAX1954A
Maximum Duty Cycle
Measured at DH
Minimum Duty Cycle
V
COMP
2
_______________________________________________________________________________________
Continuous Power Dissipation (T
10-Pin µMAX (derate 5.6mW/ C above +70 C) ...........444mW
Operating Temperature Range ...........................-40 C to +85 C
+ 0.3V)
Junction Temperature ......................................................+150 C
BST
+ 0.3V)
Storage Temperature Range ............................+65 C to +150 C
IN
Lead Temperature (soldering, 10s) .................................+300 C
CONDITIONS
= 1.5V
= 5.5V, V
= 13.2V, LX = unconnected,
BST
HSD
, 50mV (typ) hysteresis
IN
= 0.9V
V
= 0.8V
FB
- V
LX
V
= 0V
FB
= 1.25V, LX = GND, V
= V
= 3.3V
BST
IN
= +70 C)
A
MIN
TYP
MAX
UNITS
3.0
5.5
V
3.0
13.2
V
1
2
mA
2
mA
2.5
2.7
2.9
V
0.8
V
-1.0
+0.8
+1.0
%
70
110
160
µS
200
V/ V
50
500
NA
-0.1
+1.5
V
0.80
2.36
V
3.15
3.5
3.85
V / V
110
135
145
mV
21
36
51
240
300
360
kHz
89
91
93
%
2.5
3
%
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