Step-Down (Buck) Synchronous (1), Linear (LDO) (1)
Min Input Voltage
2.3V
Control Mode
CURRENT-MODE
Frequency - Switching
3MHz
Max Input Voltage
5.5V
Control Technique
PULSE WIDTH MODULATION
Current - Output 1
600mA
Min Output Voltage
1.2V
Power Supply Rejection Ratio (PSRR)
65dB
Current - Output 2
300mA
w/Sequencer
Yes
Voltage/Current - Output 1
1.8V 600mA
Voltage/Current - Output 2
1.2V 300mA
w/LED Driver
No
Height Seated (Max)
0.85mm
Length
3mm
Width
3mm
RoHS Status
ROHS3 Compliant
Lead Free
Contains Lead
In-Stock:3764 items
Pricing & Ordering
Quantity
Unit Price
Ext. Price
1
$3.444371
$3.444371
10
$3.249407
$32.49407
100
$3.065478
$306.5478
500
$2.891960
$1445.98
1000
$2.728265
$2728.265
ADP2140ACPZ1812R7 Product Details
ADP2140ACPZ1812R7 Description
The ADP2140ACPZ1812R7 LDO Regulator includes high efficiency, low quiescent 600 mA step-down dc-to-dc converter and a 300 mA LDO packaged in a small 10-lead 3 mm × 3 mm LFCSP. The total solution requires only four tiny external components.
ADP2140ACPZ1812R7 Features
Input voltage range: 2.3 V to 5.5 V
LDO input (VIN2) 1.65 V to 5.5 V
Buck output voltage range: 1.0 V to 3.3 V
LDO output voltage range: 0.8 V to 3.3 V
Buck output current: 600 mA
LDO output current: 300 mA
LDO quiescent current: 22 μA with zero load
Buck quiescent current: 20 μA in PSM mode
Low shutdown current: <0.3 μA
Low LDO dropout 110 mV @ 300 mA load
High LDO PSRR
-65 dB @ 10 kHz at VOUT2 = 1.2 V
-55 dB @ 100 kHz at VOUT2 = 1.2 V
Low noise LDO: 40 μV RMS at VOUT2 = 1.2 V
Initial accuracy: ±1%
Current limit and thermal overload protection
Power-good indicator
Optionally enable sequencing
10-lead 0.75 mm × 3 mm × 3 mm LFCSP package
ADP2140ACPZ1812R7 Applications
Mobile phones
Personal media players
Digital camera and audio devices
Portable and battery-powered equipment
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