MAX6478BL33AD3+T Maxim Integrated Products, MAX6478BL33AD3+T Datasheet - Page 5

• Manufacturer Part Number: MAX6478BL33AD3+T
• Description: IC LDO REG 300MA 3.3V/ADJ 6-UCSP
• Manufacturer: Maxim Integrated Products

Specifications of MAX6478BL33AD3+T

• Regulator Topology: Positive Fixed or Adjustable
• Voltage - Output: 3.3V, 1.25 ~ 5.5 V
• Voltage - Input: 2.5 ~ 5.5 V
• Voltage - Dropout (typical): 0.114V @ 300mA, -
• Number Of Regulators: 1
• Current - Output: 300mA (Min)
• Current - Limit (min): 450mA
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 6-UCSP®
• Number Of Outputs: 1
• Polarity: Positive
• Input Voltage Max: 5.5 V
• Output Voltage: 1.2 V to 5 V, 3.3 V
• Output Type: Adjustable, Fixed
• Dropout Voltage (max): 0.032 V at 50 mA
• Output Current: 0.3 A
• Line Regulation: 0.09 % / V
• Load Regulation: 0.2 %
• Voltage Regulation Accuracy: 1.1 %
• Maximum Power Dissipation: 840 mW
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• Minimum Operating Temperature: - 40 C
• Reference Voltage: 1.229 V
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

(V
IN
125
100
75
50
25
= 5V, V
0
0
DROPOUT VOLTAGE vs. LOAD CURRENT
V
V
I
LOAD
V
C
IN
OUT
OUT
OUT
= 4.5V
50
OUT
= 3.3V
= 100mA
= 3.3V
= 3.3µF
STARTUP RESPONSE
= 3.3V, C
LOAD CURRENT (mA)
100
OUTPUT NOISE
300mA LDO Linear Regulators with Internal
500µs/div
10µs/div
_______________________________________________________________________________________
150
OUT
200
= 3.3µF, T
250
MAX6469 toc10
MAX6469 toc07
300
A
V
2V/div
V
2V/div
100µV/div
IN
OUT
= +25°C, unless otherwise noted.)
Typical Operating Characteristics (continued)
100
-10
-20
-30
-40
-50
-60
80
60
40
20
0
0
0.01
10
Microprocessor Reset Circuit
V
C
I
V
V
I
LOAD
OUT
OUT
OUT
IN
OUT
OUTPUT NOISE vs. FREQUENCY
= 2.5V
LOAD-TRANSIENT RESPONSE
= 100mA
= 3.3V
= 3.3µF
= 30mA
= 1.5V
0.1
PSRR vs. FREQUENCY
100
FREQUENCY (kHz)
FREQUENCY (Hz)
1
100µs/div
1k
V
V
I
LOAD
IN
OUT
= 5V
10
= 3.3V
= 10mA TO 300mA
10k
100
MAX6469 toc11
1000
100k
V
20mV/div
OUT
5
4
3
2
1
0
0
STABLE REGION
I
LOAD
REGION OF STABLE C
LOAD-TRANSIENT RESPONSE
50
SHUTDOWN RESPONSE
= 50mA
C
vs. LOAD CURRENT
C
OUT
LOAD CURRENT (mA)
NEAR DROPOUT
100
OUT
= 3.3µF
= 4.7µF
10µs/div
20ms/div
150
200
OUT
V
V
I
LOAD
IN
OUT
= 5V
ESR
= 3.3V
= 100mA
MAX6469 toc12
MAX6469 toc09
250
300
5
V
5V/div
V
5mV/div
V
2V/div
SHDN
OUT
OUT