鈥?/div>
Features
Guaranteed 150mA output per regulator
Ultra low 150mV dropout at 150mA
1% output voltage accuracy
Requires only 0.47碌F output capacitor
Only 150碌A(chǔ) ground current at 150mA load
60dB ripple rejection at 1kHz (C
OUT
= 0.47碌F)
80碌V
RMS
noise at BW = 300Hz to 50kHz
Excellent line and load transient response
Over current / over temperature protection
8-pin MSOP package
-60dB cross talk
Applications
Cellular Phones, pagers and wireless headsets
Palmtops, organizers, PDAs and portable electronics
Battery powered portable appliances and equipment
Remote data accumulation and instrumentation
Ordering Information* (T
A
= -40擄C to +85擄C)
ILC7280CS-2530
ILC7280CS-3028
ILC7280CS-2828
ILC7280CS-3030
ILC7280CS-3025
150mA 2.5V and 3.0V LDO regulators
150mA 3.0V and 2.8V LDO regulators
150mA 2.8V and 2.8V LDO regulators
150mA 3.0V and 3.0V LDO regulators
150mA 3.0V and 2.5V LDO regulators
Figure 1: Typical Application
Note: Enable may be connected to V
IN
,
C
NOISE
is common to both LDOs
V
OUTA
0.47-2.2碌F
ceramic
V
OUTB
0.47-2.2碌F +
ceramic
C
NOISE
22pF
(optional)
V
INA
+
GND
+
EN
A
V
INB
+
EN
B
1碌F
ceramic
4.7碌F
Impala Linear Corporation
ILC7280 1.8
(408) 574-3939
www.impalalinear.com
May 2000
1