LT3021EDH-1.2#TRPBF Linear Technology, LT3021EDH-1.2#TRPBF Datasheet - Page 8

• Manufacturer Part Number: LT3021EDH-1.2#TRPBF
• Description: IC REG LDO 1.2V 500MA 16-DFN
• Manufacturer: Linear Technology

Specifications of LT3021EDH-1.2#TRPBF

• Regulator Topology: Positive Fixed
• Voltage - Output: 1.2V
• Voltage - Input: Up to 10V
• Voltage - Dropout (typical): 0.155V @ 500mA
• Number Of Regulators: 1
• Current - Output: 500mA
• Current - Limit (min): 550mA
• Operating Temperature: -40°C ~ 125°C
• Mounting Type: Surface Mount
• Package / Case: 16-DFN
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

LT3021/LT3021-1.2/
LT3021-1.5/LT3021-1.8
TYPICAL PERFORMANCE CHARACTERISTICS
8
70
60
50
40
30
20
10
0
10
Input Ripple Rejection
V
V
I
L
IN
OUT
= 500mA
= 1.5V + 50mV
= 0.5V
100
FREQUENCY (Hz)
1k
300
250
200
150
100
18
16
14
12
10
50
RMS
8
6
4
2
0
0
0.01
0
No-Load Recovery Threshold
RMS Output Noise vs Load
Current (10Hz to 100kHz)
V
C
RIPPLE
OUT
OUT
10k
= 1.2V
= 4.7μF
C
OUTPUT OVERSHOOT (%)
C
0.1
5
OUT
OUT
100k
LOAD CURRENT (mA)
= 4.7μF
= 22μF
3021 G14
10
1M
1
15
10
100
90
80
70
60
50
40
30
20
10
0
–50
Input Ripple Rejection
V
V
I
3021 G20
L
3021 G19
IN
OUT
= 500mA
= 1.5V + 0.5V
–25
100
20
= 0.5V
0
TEMPERATURE (°C)
P-P
25
500mA/DIV
50mV/DIV
RIPPLE AT 120Hz
50
V
0.01
I
OUT
OUT
0.1
10
1
10
75
Output Noise Spectral Density
Transient Response
I
V
V
C
V
I
C
OUT
L
IN
OUT
OUT
OUT
OUT
= 500mA
= 1.5V
= 50mA TO 500mA
100
= 1.2V
= 22μF
= 1.2V
= 4.7μF
100
3021 G15
125
FREQUENCY (Hz)
1k
50μs/DIV
–0.5
–1.0
–1.5
–2.0
–2.5
2.5
2.0
1.5
1.0
0.5
10k
0
–50
Load Regulation
ΔI
V
V
*LOAD REGULATION NUMBER REFERS
TO CHANGE IN THE 200mV REFERENCE
VOLTAGE
IN
OUT
L
100k
= 1mA to 500mA
= 1.15V
–25
= 0.5V
3021 G18
3021 G21
0
TEMPERATURE (°C)
1M
25
50
75
100
3021 G17
3021fc
125