lm27342sdx National Semiconductor Corporation, lm27342sdx Datasheet - Page 5

• Manufacturer Part Number: lm27342sdx
• Description: 2 Mhz 1.5a/2a Wide Input Range Step-down Dc-dc Regulator With Frequency Synchronization
• Manufacturer: National Semiconductor Corporation

Typical Performance Characteristics
T
A
= 25°C, unless specified otherwise.
Efficiency vs Load Current
Efficiency vs Load Current
Efficiency vs Load Current
V
V
V
OUT
OUT
OUT
Refer to Figure 10
Refer to Figure 12
Refer to Figure 15
= 3.3V, f
= 1.8V, f
= 5V, f
SW
SW
SW
= 2 MHz
= 2 MHz
= 2 MHz
30005676
30005680
30005684
5
All curves taken at V
V
V
V
OUT
OUT
OUT
= 3.3V, I
= 1.8V, I
= 5V, I
OUT
OUT
OUT
IN
= 100 mA - 2A @ slewrate = 2A / µs
= 100 mA - 2A @ slewrate = 2A / µs
= 100 mA - 2A @ slewrate = 2A / µs
Refer to Figure 10
Refer to Figure 12
Refer to Figure 15
= 12V, V
Load Transient
Load Transient
Load Transient
BOOST
- V
SW
300056100
= 4.3V and
300056102
300056105
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