MAX8655ETN+T Maxim Integrated Products, MAX8655ETN+T Datasheet - Page 3

• Manufacturer Part Number: MAX8655ETN+T
• Description: IC STEP-DN REG 25A 56-TQFN-EP
• Manufacturer: Maxim Integrated Products
• Type: Step-Down (Buck)r

Specifications of MAX8655ETN+T

• Internal Switch(s): Yes
• Synchronous Rectifier: No
• Number Of Outputs: 1
• Voltage - Output: 0.7 ~ 5.5 V
• Current - Output: 25A
• Frequency - Switching: 200kHz ~ 1MHz
• Voltage - Input: 4.5 ~ 25 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 56-TQFN Exposed Pad
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Power - Output: -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

ELECTRICAL CHARACTERISTICS (continued)
(V
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
Peak Current-Limit
Threshold (V
Negative Current Limit
CS+, CS- Input Bias Current
CS+, CS- Input Common-Mode
Range
SLOPE COMPENSATION
Slope Compensation at Maximum
Duty Cycle
SCOMP High Threshold
SCOMP Low Threshold
SCOMP Adjustment Range
SCOMP Input Leakage Current
IN
= 12V, V
PARAMETER
BST
CS+
- V
- V
LX
CS-
_______________________________________________________________________________________
= 6.5V, T
)
Internal MOSFET, Step-Down Regulator
A
= -40°C to +85°C, circuit of Figure 4, typical values are at T
Highly Integrated, 25A, Wide-Input,
REFIN = AVL
V
From COMP to GND, V
V
V
R
ILIM1 = AVL
% of valley current limit
V
V
V
SCOMP = AVL
SCOMP = GND
V
C S +
REFIN
FB
ILIM1
CS+
SCOMP
SCOMP
SCOMP
= 0.7V
- V
= V
= 24kΩ
= 0.7V to 1.5V
C S -
= 2.5V
= 1.25V
= 1.25V to 2.5V
CS-
= 30m V , V
= 0V or 5.5V
CONDITIONS
OUT
T
T
A
A
EN
= 0°C to +85°C
= -40°C to +85°C
= 0 to 5.5V
= 0V
A
= +25°C, unless otherwise noted.) (Note 2)
V
0.00375
231.25
113.77
231.25
113.77
110.70
0.693
RE F IN
MIN
27.2
1.25
-0.1
-90
-25
0.5
70
60
0
-
V
250.00
123.00
250.00
123.00
123.00
-120
TYP
REFIN
110
0.7
20
12
32
80
5
5
V
0.00375
268.75
132.23
268.75
132.23
132.23
V
0.707
RE FIN
MAX
+1.5
-150
36.8
2.50
+25
160
100
AVL
200
5.5
0.5
50
92
-
+
UNITS
V/V
mV
mV
µS
nA
µA
nA
%
Ω
V
V
V
V
V
V
3