Product Overview
CAT6243: Linear Voltage Regulator, CMOS LDO, Adjustable Output, 1.0 A
For complete documentation, see the data sheet.
The CAT6243 is a low dropout CMOS voltage regulator providing up to 1000 mA of output current with fast response to load current
and line voltage changes. CAT6243 offers a user adjustable output voltage from 0.8 V to 5.0 V and its low quiescent current make
CAT6243 ideal for energy conscious designs. CAT6243 is packaged in a space saving 3 mm x 3 mm WDFN-6 package with a power
pad for heat sinking to the PCB.
Features
• 2.0% Output Voltage Accuracy Over Temperature
• Current Limit and Thermal Protection
• 4 and 5 Lead DPAK-5 and 3 mm x 3 mm WDFN-6 Power
Packages
• Guaranteed 1000 mA Continuous Output Current
• V
OUT
: 0.8 V to 5.0 V
• Dropout Voltage of 350 mV Typical at 1000 mA
• No-load Ground Current of 70 µA Typical
• Full-load Ground Current of 140 µA Typical
• Zero Current Shutdown Mode
• Under Voltage Lockout
For more features, see the data sheet
Benefits
• Accurate and stable output
• Safe to use
• Small footprint
Applications
•
•
•
•
•
DSP Core and I/O Voltages
FPGAs, ASICs
PDAs, Mobile Phones, GPS
Camcorders and Cameras
Hard Disk Drives
Part Electrical Specifications
Product
Compliance
Status
Output Polarit
y
Single
Positiv
e
V
O
(V)
I
O
Typ
(A)
1
V
I
Min
(V)
1.8
V
I
Max V
DO
(V)
Typ
(V)
5.5
0.25
I
q
Typ
(mA)
0.14
PSRR
(dB)
67
Noise Enable Power
(µV
rms
)
Good
45
Yes
No
Packa
ge
Type
WDFN
-6
CAT6243-ADJCMT5T
Pb-free
Halide free
Active
0.8,
1.2,
2.5,
3.3,
5.5
0.8,
1.2,
2.5,
3.3,
5.5
0.8,
1.2,
2.5,
3.3,
5.5
CAT6243-ADJMT5T3
Pb-free
Halide free
Active
Single
Positiv
e
1
1.8
5.5
0.25
0.14
67
45
Yes
No
WDFN
-6
CAT6243DCADJ-RKG
Pb-free
Halide free
Active
Single
Positiv
e
1
1.8
5.5
0.25
0.14
67
45
Yes
No
DPAK-
5
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