zldo1117 Diodes, Inc., zldo1117 Datasheet - Page 5

• Manufacturer Part Number: zldo1117
• Description: 1a Low Dropout Positive Regulator 1.2v, 1.5v, 1.8v, 2.5v, 3.3v, 5.0v And Adjustable Outputs
• Manufacturer: Diodes, Inc.

600mA
100mA
10mV
-10mV
Issue 1
Transient load regulation with 10µF tantalum capacitor Transient load regulation with 4.7µF MLCC capacitor
0
Transient line regulation with 4.7µF MLCC capacitor
0
4V
10
90
85
80
75
70
65
60
55
50
5V
10
ZLDO1117-2.5V
C
I
PRELOAD
IN
= 1µF, C
ZLDO1117 2.5V
C
I
I
LOAD
LOAD
= 100mA, I
100
IN
= 100mA, V
= 1µF, C
Ripple rejection
OUT
= 100mA
Frequency (Hz)
10µs/div
= 10µF TANT
IN
step
- V
1,000
OUT
OUT
= 500mA
= 3V
= 4.7µF MLCC
10,000
www.diodes.com
100,000
10mV
5 of 12
-10mV
0
100mA
600mA
ZLDO1117-2.5V
C
I
PRELOAD
IN
= 1µF, C
= 100mA, I
OUT
= 4.7µF MLCC
STEP
= 500mA
©
Diodes Incorporated
ZLDO1117
June 2009