LT1121CN8-3.3#PBF Linear Technology, LT1121CN8-3.3#PBF Datasheet - Page 6

• Manufacturer Part Number: LT1121CN8-3.3#PBF
• Description: IC REG LDO 3.3V 150MA 8-DIP
• Manufacturer: Linear Technology

Specifications of LT1121CN8-3.3#PBF

• Regulator Topology: Positive Fixed
• Voltage - Output: 3.3V
• Voltage - Input: 4.17 ~ 30 V
• Voltage - Dropout (typical): 0.42V @ 150mA
• Number Of Regulators: 1
• Current - Output: 150mA
• Operating Temperature: 0°C ~ 125°C
• Mounting Type: Through Hole
• Package / Case: 8-DIP (0.300", 7.62mm)
• Primary Input Voltage: 20V
• Output Voltage Fixed: 3.3V
• Dropout Voltage Vdo: 400mV
• No. Of Pins: 8
• Output Current: 150mA
• Voltage Regulator Case Style: DIP
• Operating Temperature Range: 0°C To +125°C
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Current - Limit (min): -

LT1121/LT1121-3.3/LT1121-5
TYPICAL PERFOR A CE CHARACTERISTICS
6
30
25
20
15
10
10
14
12
10
5
0
8
6
4
2
0
9
8
7
6
5
4
3
2
1
0
–50
–50
0
Ground Pin Current
Shutdown Pin Current
Reverse Output Current
V
V
V
V
V
V
V
V
DEVICE IS OPERATING
IN DROPOUT
IN
OUT
OUT
OUT
SHDN
IN
IN
IN
–25
–25
= 0V
20
= 3.3V (LT1121-3.3)
= 5V (LT1121-5)
= 3.75V (LT1121)
= 5V (LT1121-5)
= 3.3V (LT1121-3.3)
= 3.8V (LT1121)
= 0V
40
OUTPUT CURRENT (mA)
0
0
TEMPERATURE (°C)
TEMPERATURE (°C)
T
60
J
= 25°C
25
25
80
50
50
T
J
100
= 125°C
75
75
120
T
W
J
= –55°C
100
100
140 160
1121 G15
1121 G13
1121 G29
U
125
125
400
350
300
250
200
150
100
2.0
1.8
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
50
20
10
25
15
0
0
–50
0
5
0
Shutdown Pin Threshold
(On-to-Off)
Shutdown Pin Input Current
Current Limit
0
I
V
LOAD
OUT
–25
1
1
= 0V
= 1mA
SHUTDOWN PIN VOLTAGE (V)
2
0
2
TEMPERATURE (°C)
INPUT VOLTAGE (V)
3
25
3
4
50
5
4
6
75
5
7
100
6
1121 G16
1121 G20
8
1121 G28
125
7
9
400
350
300
250
200
150
100
400
350
300
250
200
150
100
2.0
1.8
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
50
50
0
0
0
–50
–50
–50
Shutdown Pin Threshold
(Off-to-On)
LT1121
Adjust Pin Bias Current
Current Limit
V
V
IN
OUT
–25
–25
= 7V
–25
= 0V
0
0
0
TEMPERATURE (°C)
TEMPERATURE (°C)
TEMPERATURE (°C)
25
25
25
50
50
50
I
LOAD
I
75
75
75
LOAD
= 150mA
= 1mA
100
100
100
1121 G17
1121 G25
1121 G19
1121fc
125
125
125