LD1117AS12TR STMicroelectronics, LD1117AS12TR Datasheet - Page 10

• Manufacturer Part Number: LD1117AS12TR
• Description: IC REG LDO POS 1A 1.2V SOT-223
• Manufacturer: STMicroelectronics

Specifications of LD1117AS12TR

• Regulator Topology: Positive Fixed
• Voltage - Output: 1.2V
• Voltage - Input: Up to 15V
• Voltage - Dropout (typical): 1.15V @ 1A
• Number Of Regulators: 1
• Current - Output: 1.2A
• Operating Temperature: 0°C ~ 125°C
• Mounting Type: Surface Mount
• Package / Case: SOT-223 (3 leads + Tab), SC-73, TO-261
• Number Of Outputs: 1
• Polarity: Positive
• Input Voltage Max: 15 V
• Output Voltage: 1.2 V
• Output Type: Fixed
• Dropout Voltage (max): 1.3 V
• Output Current: 1000 mA
• Line Regulation: 6 mV
• Load Regulation: 10 mV
• Voltage Regulation Accuracy: 2 %
• Maximum Power Dissipation: 12 W
• Maximum Operating Temperature: + 125 C
• Mounting Style: SMD/SMT
• Minimum Operating Temperature: 0 C
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Current - Limit (min): -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant
• Other names: 497-6445-2; LD1117AS12TR

Electrical characteristics
Table 7.
10/24
Symbol
ΔV
I
O(min)
SVR
ΔI
ΔV
ΔV
ΔV
ΔV
V
V
I
eN
V
O(pwr)
V
I
adj
O
adj
O
O
D
I
O
O
O
O
Output voltage
Output voltage
Line regulation
Load regulation
Temperature stability
Long term stability
Operating input voltage
Adjustment pin current
Adjustment pin current
change
Minimum load current
Output current
Output noise voltage
Supply voltage rejection
Dropout voltage
Thermal regulation
Refer to the test circuits, T
specified.
Electrical characteristics of LD1117A (Adjustable)
Parameter
V
I
V
V
1000 hrs, T
I
V
V
V
V
B =10Hz to 10kHz, T
I
V
I
I
I
T
J
O
O
O
O
O
O
a
I
I
I
in
in
in
I
I
= 0 to 125 °C, C
= 5.3V, I
- V
= 0 to 1A, V
= 2.75 to 8V, I
= 2.75V, I
= 100mA
- V
= 40mA, f = 120Hz
= 100mA
= 500mA
= 1A
= 25°C, 30 ms Pulse
≤ 10 V
- V
= 10 V
LD1117AXX12, LD1117AXX18, LD1117AXX33, LD1117AXX
Doc ID 7194 Rev 23
O
O
O
= 3V, V
= 5V, T
= 1.4 to 10 V, I
O
J
Test conditions
O
= 10mA, T
= 125°C
= 0 to 1A
J
ripple
I
= 2.75 to 10V
= 25°C
O
= 0mA
= 1V
O
J
= 10 µF, C
= 25°C
O
J
PP
= 25°C
= 10mA to 1A
I
= 10 µF unless otherwise
1.225
1000
Min.
1.2
60
1200
Typ.
1.25
1.05
1.15
0.08
100
0.5
0.3
60
80
1
1
1
2
1
1.275
Max.
1.10
1.15
1.30
120
1.3
0.2
10
10
6
5
5
%/W
Unit
mV
mV
mA
mA
µA
µA
µV
dB
%
%
V
V
V
V