LD1117S12TR STMicroelectronics, LD1117S12TR Datasheet - Page 15

• Manufacturer Part Number: LD1117S12TR
• Description: IC REG LDO POS 800MA 1.2V SOT223
• Manufacturer: STMicroelectronics

Specifications of LD1117S12TR

• Regulator Topology: Positive Fixed
• Voltage - Output: 1.2V
• Voltage - Input: Up to 15V
• Voltage - Dropout (typical): 1.1V @ 800mA
• Number Of Regulators: 1
• Current - Output: 950mA
• 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): 1.1 V
• Output Current: 950 mA
• Line Regulation: 0.2 %
• Load Regulation: 0.4 %
• Voltage Regulation Accuracy: 1 %
• Maximum Power Dissipation: 12 W
• Maximum Operating Temperature: + 150 C
• Mounting Style: SMD/SMT
• Minimum Operating Temperature: 0 C
• Reference Voltage: 1.26 V
• Primary Input Voltage: 3.2V
• Output Voltage Fixed: 1.2V
• Dropout Voltage Vdo: 1.1V
• No. Of Pins: 3
• Operating Temperature Range: 0°C To +125°C
• Output Current Max: 0.8A
• Rohs Compliant: Yes
• Leaded Process Compatible: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Current - Limit (min): -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant
• Other names: 497-4240-2

LD1117xx
Table 10.
Symbol
I
O(min)
SVR
ΔI
ΔV
ΔV
ΔV
ΔV
V
V
V
I
eN
V
I
adj
O
ref
ref
adj
in
d
O
O
O
O
Reference voltage
Reference voltage
Line regulation
Load regulation
Temperature stability
Long term stability
Operating input voltage
Adjustment pin current
Adjustment pin current change V
Minimum load current
Output current
Output noise (%V
Supply voltage rejection
Dropout voltage
Thermal regulation
Refer to the test circuits, T
Electrical characteristics of LD1117 (adjustable)
Parameter
O
)
V
I
V
V
1000 hrs, T
V
V
V
B = 10 Hz to 10 kHz, T
I
V
I
I
I
T
J
O
O
O
O
O
a
in
in
in
in
in
in
in
in
= 0 to 125 °C, C
= 10 to 800 mA, V
= 40 mA, f = 120 Hz, T
= 100 mA
= 500 mA
= 800 mA
= 25 °C, 30 ms Pulse
- V
- V
- V
≤ 15 V
- V
= 15 V
- V
- V
Doc ID 2572 Rev 29
O
O
O
O
O
O
= 1.5 to 13.75 V, I
= 3 V, I
= 1.4 to 10 V, I
= 5 V, T
= 3 V, V
= 2 V, I
J
Test condition
= 125 °C
O
O
J
ripple
= 10 to 800 mA
= 10 mA, T
= 25 °C
O
in
= 1 V
= 10 µF, unless otherwise specified.
- V
O
J
= 25 °C
= 10 to 800 mA
J
O
O
PP
= 25 °C
= 1.4 to 10 V 1.225
= 10 mA
J
= 25 °C
1.238
Electrical characteristics
Min.
800
60
0.035
0.003
Typ.
1.25
1.05
1.10
0.01
950
0.1
0.5
0.3
60
75
1
2
1
1.262
1.275
Max.
1300
1.15
120
0.2
0.4
1.1
1.2
0.1
15
5
5
%/W
Unit
15/42
mA
mA
µA
µA
dB
%
%
%
%
%
V
V
V
V