MAX8877 Maxim, MAX8877 Datasheet - Page 5

• Manufacturer Part Number: MAX8877
• Description: Low-Noise / Low-Dropout / 150mA Linear Regulators with 2982 Pinout
• Manufacturer: Maxim

______________________________________________________________Pin Description
(V
3.001V
3.000V
2.999V
____________________________Typical Operating Characteristics (continued)
PIN
IN
1
2
3
4
5
4V
3V
2V
0V
2V
1V
0V
= V
MAX887_EUK30, I
MAX887_EUK25, I
OUT(NOMINAL)
LINE-TRANSIENT RESPONSE
NAME
SHDN
GND
OUT
SHUTDOWN EXIT DELAY
BP
IN
MAX887_EUK25
LOAD
LOAD
100 s/div
5 s/div
_______________________________________________________________________________________
C
C
= 50mA
BP
= 50mA
BP
Low-Noise, Low-Dropout, 150mA Linear
Regulator Input. Supply voltage can range from 2.5V to 6.5V. Bypass with a 1µF capacitor to GND (see
Capacitor Selection and Regulator Stability section).
Ground. This pin also functions as a heatsink. Solder to a large pad or the circuit-board ground plane to
maximize power dissipation.
Active-Low Shutdown Input. A logic low reduces the supply current to 10nA. On the MAX8878, a logic low
also causes the output voltage to discharge to GND. Connect to IN for normal operation.
Reference-Noise Bypass. Bypass with a low-leakage, 0.01µF ceramic capacitor for reduced noise at the
output.
Regulator Output. Sources up to 150mA. Bypass with a 1µF (<0.2Ω typical ESR) capacitor to GND.
+ 0.5V, C
= 0.01 F
= 0.1 F
IN
MAX8877-21
MAX8877-18
= 1µF, C
V
V
V
V
SHDN
OUT
IN
OUT
OUT
3.01V
3.00V
2.99V
50mA
2V
0V
4V
2V
0V
= 1µF, C
MAX887_EUK50, I
MAX887_EUK30, V
C
IN
Regulators with ‘2982 Pinout
= 10 F, I
LOAD-TRANSIENT RESPONSE
BP
SHUTDOWN EXIT DELAY
LOAD
MAX887_EUK50
= 0.01µF, T
C
BP
LOAD
= 0mA TO 50mA
IN
10 s/div
5 s/div
= 0.01 F
= V
C
= 50mA
BP
OUT
= 0.1 F
+ 0.5V,
FUNCTION
A
= +25°C, unless otherwise noted.)
MAX8877-22
MAX8877-19
I
V
V
V
LOAD
SHDN
OUT
OUT
3.01V
3.00V
2.99V
50mA
2V
0V
5V
0V
MAX887_EUK30, V
C
MAX8878, NO LOAD
IN
= 10 F, I
LOAD-TRANSIENT RESPONSE
ENTERING SHUTDOWN
LOAD
NEAR DROPOUT
= 0mA TO 50mA
IN
500 s/div
10 s/div
= V
OUT
+ 0.1V,
MAX8877-20
MAX8877-23
I
V
LOAD
V
V
OUT
OUT
SHDN
5