MAX8557ETE+T Maxim Integrated Products, MAX8557ETE+T Datasheet - Page 5

• 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): -

(V
EN
= V
IN
= +1.8V, V
V
I
100
OUT
OUT
90
80
70
60
50
40
30
20
10
90
80
70
60
50
40
30
20
10
0
0
FOLDBACK CURRENT-LIMIT WAVEFORMS
0
1
_______________________________________________________________________________________
EXPOSED PADDLE TEMPERATURE
OUT
vs. AMBIENT TEMPERATURE
17
AMBIENT TEMPERATURE (°C)
= +1.5V, I
PSRR vs. FREQUENCY
10
DATA TAKEN USING
MAX8556 EVALUATION KIT
FREQUENCY (kHz)
34
100µs/div
OUT
51
V
I
= 4A, C
LOAD
100
IN
= 2.5V
= 1A
68
MAX8556 toc15
OUT
Typical Operating Characteristics (continued)
1000
85
= 20µF, C
500mV/div
5A/div
4A Ultra-Low-Input-Voltage
IN
= 20µF, and T
0.510
0.505
0.500
0.495
0.490
V
OUT
V
8.0
7.8
7.6
7.4
7.2
7.0
6.8
6.6
6.4
6.2
6.0
I
IN
IN
A
-40
-40
= +25°C, unless otherwise noted.)
FB REGULATION vs. TEMPERATURE
CURRENT-LIMIT THRESHOLD
-15
-15
STARTUP WAVEFORMS
vs. TEMPERATURE
TEMPERATURE (°C)
LDO Regulators
TEMPERATURE (°C)
10
10
100µs/div
I
LOAD
35
35
= 50mA
60
60
MAX8556 toc12
85
85
1V/div
2V/div
2A/div
5