MAX6478BL33AD3+T Maxim Integrated Products, MAX6478BL33AD3+T Datasheet - Page 4

• 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

300mA LDO Linear Regulators with Internal
Microprocessor Reset Circuit
ELECTRICAL CHARACTERISTICS (continued)
(V
unless otherwise noted.) (Note 2)
Note 2: All devices are 100% production tested at +25°C and are guaranteed by correlation for T
Note 3: Guaranteed by design.
Note 4: Dropout voltage is defined as (V
Note 5: MAX6473/MAX6474/MAX6481/MAX6482 are guaranteed by design for V
Note 6: Select the reset timeout period using the Reset Timeout Delay Guide (Table 3). Insert the appropriate suffix in the part number
4
(V
MR Input Low Voltage
MR Input High Voltage
MR Minimum Input Pulse
MR Glitch Rejection
MR to Reset Delay
MR Pullup Resistance
RESET Output Voltage
(Open Drain)
Open-Drain Reset Output
Leakage Current
RESET Output Voltage Push-Pull
IN
IN
120
100
_______________________________________________________________________________________
= (V
80
60
40
20
= 5V, V
0
0
GROUND CURRENT vs. INPUT VOLTAGE
when ordering.
OUT
PARAMETER
OUT
1
+ 0.5V) or +2.5V, whichever is greater, C
= 3.3V, C
INPUT VOLTAGE (V)
2
+25°C
(NO LOAD)
-40°C
+85°C
3
OUT
4
= 3.3µF, T
5
SYMBOL
I
V
V
V
V
LKG
6
V
IN
A
OH
OL
OL
IH
IL
= +25°C, unless otherwise noted.)
- V
OUT
120
100
) when V
(Note 3)
MR to OUT
V
V
(Note 3)
V
V
V
deasserted
80
60
40
20
0
OUT
OU T
OUT
OU T
OUT
0
GROUND CURRENT vs. INPUT VOLTAGE
OUT
≥ 1.0V, I
≥ 1.5V , I
≥ 1.0V, I
≥ 1.5V , I
≥ 2.0V, I
-40°C
OUT
+25°C
1
= 3.3µF, T
is 2% below the value of V
INPUT VOLTAGE (V)
S IN K
S IN K
(300mA LOAD)
SINK
SINK
SOURCE
2
+85°C
CONDITIONS
= 3.2m A, RES ET asser ted
= 3.2m A, RES ET asser ted
= 50µA, RESET asserted
= 50µA, RESET asserted
3
A
Typical Operating Characteristics
= -40°C to +85°C. Typical specifications are at T
= 500µA, RESET
4
5
OUT
< 2.5V.
6
OUT
150
125
100
for V
75
50
25
0
V
V
0.8 ×
0.7 ×
MIN
A
1
OUT
OUT
25
IN
1
= T
vs. RESET THRESHOLD OVERDRIVE
MAXIMUM TRANSIENT DURATION
= V
RESET ASSERTS ABOVE
THIS LINE
RESET THRESHOLD OVERDRIVE (mV)
MIN
OUT(NOM)
TYP
to T
120
200
40
MAX
10
.
+ 1V.
V
MAX
0.3 ×
0.3
0.4
0.3
0.4
OUT
70
1
A
= +25°C,
UNITS
kΩ
µA
µs
ns
ns
V
V
V
V
100