MC33762
Dual Ultra Low−Noise Low
Dropout Voltage Regulator
with 1.0 V ON/OFF Control
The MC33762 is a dual Low DropOut (LDO) regulator featuring
excellent noise performances. Thanks to its innovative design, the
circuit reaches an impressive 40
µVRMS
noise level
without
an
external bypass capacitor. Housed in a small
µ8
package, it represents
the ideal designer’s choice when space and noise are at premium.
The absence of external bandgap capacitor accelerates the response
time to a wake−up signal and keeps it within 40
µs,
making the
MC33762 as a natural candidate for portable applications.
The MC33762 also hosts a novel architecture which prevents
excessive undershoots in the presence of fast transient bursts, as in any
bursting systems.
Finally, with a static line regulation better than −75 dB, it naturally
shields the downstream electronics from choppy lines.
Features
http://onsemi.com
8
1
Micro8t
DM SUFFIX
CASE 846A
•
Nominal Output Current of 80 mA with a 100 mA Peak Capability
•
Ultra−Low Noise: 150 nV/√Hz @ 100 Hz, 40
µVRMS
•
•
•
•
•
•
•
•
•
100 Hz−100 kHz Typical, I
out
= 60 mA, Co = 1.0
µF
Fast Response Time from OFF to ON: 40
µs
Typical
Ready for 1.0 V Platforms: ON with a 900 mV High Level
Typical Dropout of 90 mV @ 30 mA, 160 mV @ 80 mA
Ripple Rejection: 70 dB @ 1.0 kHz
1.5% Output Precision @ 25°C
Thermal Shutdown
V
out
Available at 2.5 V, 2.8 V, and 3.0 V
Separate Dice for Each Regulator Provides Maximum Isolation
Between Regulators
Operating Range from −40 to +85°C
PIN CONFIGURATION AND
MARKING DIAGRAM
Gnd1
1
xxxx
YWW
(Top View)
xxxx = Version
Y
= Year
WW = Work Week
En1
2
Gnd2
3
En2
4
8
V
out1
7
V
CC1
6
V
out2
5
V
CC2
Applications
ORDERING INFORMATION
See detailed ordering and shipping information in the package
dimensions section on page 14 of this data sheet.
•
Noise Sensitive Circuits: VCOs RF Stages, etc.
•
Bursting Systems (TDMA Phones)
•
All Battery Operated Devices
©
Semiconductor Components Industries, LLC, 2003
1
July, 2003 − Rev. 4
Publication Order Number:
MC33762/D
ONSEMI [ ON SEMICONDUCTOR ]
