LT1123CST#PBF Linear Technology, LT1123CST#PBF Datasheet - Page 13

• Manufacturer Part Number: LT1123CST#PBF
• Description: IC LDO REGULATOR DRIVR 5V SOT223
• Manufacturer: Linear Technology
• Type: Positive Fixedr

Specifications of LT1123CST#PBF

• Number Of Outputs: 1
• Voltage - Output: 5V
• Current - Supply: 700µA
• Operating Temperature: 0°C ~ 125°C
• Package / Case: SOT-223 (3 leads + Tab), SC-73, TO-261
• Primary Input Voltage: 20V
• Output Voltage Fixed: 5V
• Dropout Voltage Vdo: 300mV
• No. Of Pins: 3
• Output Current: 4A
• Voltage Regulator Case Style: SOT-223
• Operating Temperature Range: 0°C To +125°C
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Voltage - Input: -

TYPICAL APPLICATIO S
INTERNAL
GEL CELL
BATTERY
U
6V
V
V
IN
IN
> V
> V
OUT
OUT
+
1N4148
10µF
ALUM
Battery Backup Regulator
LT1123
DRIVE
LT1123
GND
LT1123
DRIVE
DRIVE
Adjusting V
GND
GND
Adjusting V
620Ω
20Ω
FB
620Ω
R
620Ω
R
D
D
FB
FB
MJE1123
1N4148
I
FB
*V
*V
OUT
OUT
I
OUT
FB
+
OUT
MJE1123
MJE1123
≈ 300µA
R
= (5V + V
620Ω
= (5V + (I
V
LT1123 TA07
X
Z
10µF
ALUM
5V OUTPUT
+
+
MJE1123
Z
FB
)
LT1123 TA13
+
LT1123 TA14
• R
10µF
ALUM
10µF
ALUM
X
V
V
))
OUT
OUT
10µF
ALUM
*
*
EXTERNAL
POWER
LT1123
13
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