MAX8840ELT25+T MAXIM [Maxim Integrated Products], MAX8840ELT25+T Datasheet - Page 5

• Manufacturer Part Number: MAX8840ELT25+T
• Description: Ultra-Low-Noise, High PSRR, Low-Dropout, 150mA Linear Regulators in uDFN
• Manufacturer: MAXIM [Maxim Integrated Products]

(V
IN
= V
25
20
15
10
5
0
1
OUT
OUTPUT NOISE vs. BP CAPACITANCE
+ 0.5V, C
LINE-TRANSIENT RESPONSE
BP CAPACITANCE (nF)
Ultra-Low-Noise, High PSRR, Low-Dropout,
MAX8840
MAX8840
_______________________________________________________________________________________
200µs/div
V
C
IN
OUT
BP
10
= 100nF
= 1µF, C
= 3V
SHUTDOWN EXIT DELAY
V
IN
= 3.5V TO 4V
MAX8840
20µs/div
OUT
MAX8840 toc16
= 1µF, C
100
150mA Linear Regulators in µDFN
V
2mV/div
OUT
MAX8840 toc19
BP
Typical Operating Characteristics (continued)
= 10nF, T
EXITING SHUTDOWN WAVEFORM
V
1V/div
SHUTDOWN
VOLTAGE
LOAD-TRANSIENT RESPONSE
OUT
A
= +25°C, unless otherwise noted.)
MAX8840
MAX8840
20µs/div
1ms/div
V
I
LOAD
IN
= 3.5V
V
R
= 0 TO 50mA
OUT
LOAD
MAX8840 toc14
MAX8840 toc17
0.01
= 2.85V
100
0.1
= 47Ω
10
1
0
V
10mV/div
SHUTDOWN
VOLTAGE
OUTPUT
VOLTAGE
2V/div
OUT
REGION OF STABLE C
25
vs. LOAD CURRENT
LOAD CURRENT (mA)
LOAD-TRANSIENT RESPONSE NEAR DROPOUT
50
MAX8840
75
ENTERING SHUTDOWN DELAY
100
OUT
MAX8840
MAX8840
ESR
40µs/div
1ms/div
125
150
V
I
LOAD
IN
= 3.1V
C
= 0 TO 50mA
BP
MAX8840 toc15
= 0.01µF
MAX8840 toc18
V
10mV/div
SHUTDOWN
VOLTAGE
OUTPUT
VOLTAGE
2V/div
OUT
5