MAX8530 Ver la hoja de datos (PDF) - Maxim Integrated
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Lista de partido
MAX8530
Maxim Integrated
MAX8530 Datasheet PDF : 12 Pages
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Dual Low-Dropout Linear Regulators
with RESET or Low-Noise Output in UCSP or QFN
Typical Operating Characteristics (continued)
VOUT1 = 3.3V, VOUT2 = 1.5V, load = 80mA (both output voltages), VIN = 3.8V, COUT_ = 2.2µF, CBP = 0.01µF, CIN = 2.2µF, and TA = +25°C,
unless otherwise noted.
LOAD TRANSIENT
(VIN = 3.8V, ILOAD = 1mA TO 80mA)
MAX8530 toc12
LOAD TRANSIENT NEAR DROPOUT
MAX8530 toc13
VOUT
20mV/div
AC-COUPLED
VOUT
20mV/div
AC-COUPLED
ILOAD
VIN
VOUT-
VRESET
50mA/div
0
10μs/div
RESET RESPONSE
(MAX8530)
MAX8530 toc14
2V/
div
0
2V/
div
0
2V/
div
0
ILOAD
VIN = VOUT + 0.1V
10μs/div
50mA/div
0
SHUTDOWN RESPONSE
MAX8530 toc15
VOUT-
2V/
div
0
1V/
div
VSHDN
0
40ms/div
1ms/div
Pin Description
PIN
MAX8530 MAX8531 MAX8530 MAX8531 NAME
(QFN)
(QFN) (UCSP) (UCSP)
FUNCTION
1
1
B3
B3
OUT2 Regulator 2 Output. Guaranteed 150mA output current.
2
2
B2
B2
IN Regulator Input
3
3
B1
B1
OUT1 Regulator 1 Output. Guaranteed 200mA output current.
4
4
A1
A1
GND
Ground. Also functions as a heatsink for the 6-pin QFN. Solder to a large
pad or the circuit board ground plane to maximize thermal dissipation.
5
5
A2
A2
SHDN Shutdown Input. A logic low shuts down both regulators. Connect to IN
for normal operation.
6
—
A3
—
RESET Reset Active-Low Open-Drain Output. Minimum timeout of 100ms. RESET
is low in shutdown.
—
6
—
A3
BP Reference Noise Bypass. Connect to a 0.01µF ceramic capacitor for
reduced noise at both outputs.
_______________________________________________________________________________________ 5
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