MAX8557ETE+T Maxim Integrated Products, MAX8557ETE+T Datasheet - Page 3

• Manufacturer Part Number: MAX8557ETE+T
• Description: IC REG LDO 4A 16-TQFN
• Manufacturer: Maxim Integrated Products

Specifications of MAX8557ETE+T

• Regulator Topology: Positive Adjustable
• Voltage - Output: 0.5 ~ 3.4 V
• Voltage - Input: 1.43 ~ 3.6 V
• Voltage - Dropout (typical): 0.1V @ 4A
• Number Of Regulators: 1
• Current - Output: 4A
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 16-TQFN Exposed Pad
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Current - Limit (min): -

ELECTRICAL CHARACTERISTICS (continued)
(V
Note 2: Specifications to T
Note 3: Minimum supply voltage for output accuracy must be at least 1.425V.
(V
POK Output Current, High
POK Delay Time
EN
Enable Input Threshold
Enable Input Bias Current
THERMAL SHUTDOWN
Thermal-Shutdown Threshold
POR
FB Power-On Reset Fault Threshold FB falling, V
POR Output Voltage, Low
POR Output Current, High
POR Rising Delay Time
SOFT-START
Soft-Start Time
EN
EN
1.55
1.50
1.45
1.40
1.35
1.30
= V
= V
1.2
OUTPUT VOLTAGE vs. INPUT VOLTAGE
IN
IN
= 1.8V, V
= +1.8V, V
PARAMETER
1.8
INPUT VOLTAGE (V)
OUT
_______________________________________________________________________________________
OUT
2.4
= 1.5V, I
= +1.5V, I
A
= -40°C are guaranteed by design and not production tested.
3.0
I
T
T
T
LOAD
A
A
A
OUT
= -85°C
= -25°C
= -40°C
= 2A
OUT
= 2mA, T
V
From FB rising to POK high
V
V
Output on and off
V
V
FB rising to POR high impedance
3.6
POK
IN
EN
FB
POR
= 4A, C
= 1.425V to 3.6V
= 0.4V, I
= 0V or 3.6V
= 3.6V V
= 3.6V, V
A
OUT
1.5025
1.5020
1.5015
1.5010
1.5005
1.5000
1.4995
1.4990
1.4985
1.4980
1.4975
= -40°C to +85°C, typical values are at T
IN
POR
= 20µF, C
0
FB
= 1.425V to 3.6V, 10mV hysteresis
OUTPUT VOLTAGE vs. LOAD CURRENT
FB
= 0.5
= 2mA
= 0.5V
T
A
4A Ultra-Low-Input-Voltage
= -40°C
CONDITIONS
1
IN
LOAD CURRENT (A)
T
A
= 20µF, and T
= +85°C
2
Typical Operating Characteristics
T
A
= +25°C
3
A
= +25°C, unless otherwise noted.)
EN rising
EN falling
T
T
J
J
rising
falling
4
A
LDO Regulators
= +25°C, unless otherwise noted.) (Note 2)
1000
900
800
700
600
500
400
300
200
100
0
0
MIN
440
100
0.4
25
-1
GND CURRENT vs. INPUT VOLTAGE
I
LOAD
0.001
0.001
+160
+115
INPUT VOLTAGE (V)
TYP
1.2
450
140
100
50
25
= 4A
I
MAX
LOAD
1.25
100
460
200
200
+1
1
1
2.4
= 0A
I
LOAD
UNITS
= 2A
mV
mV
ms
µA
µA
°C
µA
µs
µs
V
3.6
3