
49
BOLD DENOTES NEW PRODUCT.
BOLD, ITALIC DENOTES PRODUCT IN DEVELOPMENT.
Some specifications have been estimated for comparison purposes. Refer to data sheets for guaranteed specifications.
Power Products—Selection Guide
LDOVoltage Regulators
Switching Voltage Regulators
Power Products
Output
Voltage
(V)
typ
3
3.3
5
1.3 to 6
3
3.3
5
1.3 to 6
3.3
5
1.3 to 6
1.25 to 10
2.85
3.3
5
1.25 to 10
1.8V
2.5V
5V
2.85
Output
Current
(mA)
min
100
100
100
100
250
250
250
250
500
500
500
800
800
800
800
1000
1000
1000
1000
–400/+800
Dropout
Voltage
at I
max
(V) max
0.1
0.1
0.1
0.1
0.25
0.25
0.25
0.25
0.4
0.4
0.4
1.2
1.2
1.2
1.2
1.3
1.3
1.3
1.3
1.3
Input
Voltage
(V)
min to max
3.3 to 10
3.6 to 10
5.4 to 10
2.8 to 10
3.5 to 10
3.8 to 10
5.5 to 10
2.9 to 10
3.9 to 16
5.7 to 16
3.1 to 16
3.25 to 12
4 to 10
4.8 to 10
6.5 to 15
3.25 to 12
3.25 to 12
4 to 12
6.5 to 15
4.75 to 6
Accuracy
vs Line & Load
(%)
max
3
3
3
3
3
3
3
3
3
3
3
0.8
0.6
0.6
0.5
0.8
0.8
0.8
0.8
2
Quiescent
Current
(mA)
typ
0.350
0.350
0.350
0.350
0.350
0.350
0.350
0.350
0.500
0.500
0.500
0.05
(1)
4
4
4
0.05
(1)
4
4
4
3
Disable
Current
(
μ
A)
typ
1
1
1
1
1
1
1
1
1
1
1
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
Lowest
Grade
Price
(1000s)
$0.59
0.59
0.59
0.59
0.79
0.79
0.79
0.79
1.29
1.29
1.29
1.38
1.38
1.38
1.38
1.38
1.38
1.38
1.38
1.39
Product
REG101-3
REG101-3.3
REG101-5
REG101-A
REG102-3
REG102-3.3
REG102-5
REG102-A
REG103-3.3
REG103-5
REG103-A
REG1117
REG1117-2.85
REG1117-3.3
REG1117-5
REG1117A
REG1117A-1.8
REG1117A-2.5
REG1117A-5
REG1118-2.85
NOTE: (1) Adjust pin current, I
O
= 10mA.
Description
3V, 100mA, Low Noise, DMOS
3.3V, 100mA, Low Noise, DMOS
5V, 100mA, Low Noise, DMOS
Adj., 100mA, Low Noise, DMOS
3V, 250mA, Low Noise, DMOS
3.3V, 250mA, Low Noise, DMOS
5V, 250mA, Low Noise, DMOS
Adj., 250mA, Low Noise, DMOS
3.3V, 500mA, Low Noise, DMOS
5V, 500mA, Low Noise, DMOS
Adj., 500mA, Low Noise, DMOS
Adjustable Output, 800mA
2.85V, 800mA, SCSI Bus Terminator
3.3V, 800mA, General Purpose
5V, 800mA, General Purpose
Adjustable Output, 1A
1.8V, 1000mA, General Purpose
2.5V, 1000mA, General Purpose
5V, 1000mA, General Purpose
2.85V with Source and Sink Capability
Package(s)
SO-8, SOT23-5
SO-8, SOT23-5
SO-8, SOT23-5
SO-8, SOT23-5
SO-8, SOT23-5
SO-8, SOT23-5
SO-8, SOT23-5
SO-8, SOT23-5
SO-8, SOT223-5
SO-8, SOT223-5
SO-8, SOT223-5
SOT223-3
SOT223-3
SOT223-3, DDPak-3
SOT223-3
SOT223-3, DDPak-3
DDPAK-3, SOT223-3
DDPAK-3, SOT223-3
DDPAK-3
SOT223-3
Output
Voltage
(V)
typ
3.3
5.0
1.2 to 16
Output
Current
(mA)
min
350
(1)
350
(1)
350
(1)
Switching
Frequency
Mode
(kHz)
150 to 700
(2)
, PWM
150 to 700
(2)
, PWM
150 to 700
(2)
, PWM
Input
Voltage
(V)
min to max
2.2 to 16
2.2 to 16
2.2 to 16
Accuracy
vs Line & Load
(%)
max
2.5
2.5
2.5
Quiescent
Current
(
μ
A)
typ
200
200
200
Disable
Current
(
μ
A)
typ
10
10
10
Lowest
Grade
Price
(1000s)
$2.60
2.60
2.60
Product
REG502-3.3
REG502-5
REG502-A
NOTES: (1) 3V to 5V boost operation. Step-down operation yields higher output currents. (2) Internal oscillator operates at 600kHz and can be synchronized to external clock.
Description
3.3V, 800mA Switch, Buck/Boost
5V, 800mA Switch, Buck/Boost
Adjustable, 800mA Switch, Buck/Boost
Package(s)
TSSOP-16
TSSOP-16
TSSOP-16