LT1761ES5-5#TRMPBF Linear Technology, LT1761ES5-5#TRMPBF Datasheet - Page 18

• Manufacturer Part Number: LT1761ES5-5#TRMPBF
• Description: IC LDO REG 100MA 5V TSOT23-5
• Manufacturer: Linear Technology

Specifications of LT1761ES5-5#TRMPBF

• Regulator Topology: Positive Fixed
• Voltage - Output: 5V
• Voltage - Input: Up to 20V
• Voltage - Dropout (typical): 0.3V @ 100mA
• Number Of Regulators: 1
• Current - Output: 100mA
• Current - Limit (min): 110mA
• Operating Temperature: -40°C ~ 125°C
• Mounting Type: Surface Mount
• Package / Case: TSOT-23-5, TSOT-5, TSOP-5
• Primary Input Voltage: 6V
• Output Voltage Fixed: 5V
• Dropout Voltage Vdo: 300mV
• No. Of Pins: 5
• Output Current: 100mA
• Voltage Regulator Case Style: SOT-23
• Operating Temperature Range: -40°C To +125°C
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: LT1761ES5-5#PBF; LT1761ES5-5#PBF; LT1761ES5-5#TRMPBF; LT1761ES5-5#TRMPBFTR

LT1761 Series
18
APPLICATIO S I FOR ATIO
from the 1.22V reference when the output is forced to 20V.
The top resistor of the resistor divider must be chosen to
limit the current into the ADJ pin to less than 5mA when the
ADJ pin is at 7V. The 13V difference between output and
ADJ pin divided by the 5mA maximum current into the ADJ
pin yields a minimum top resistor value of 2.6k.
In circuits where a backup battery is required, several
different input/output conditions can occur. The output
voltage may be held up while the input is either pulled to
ground, pulled to some intermediate voltage or is left open
U
U
W
100
90
80
70
60
50
40
30
20
10
Figure 6. Reverse Output Current
0
0
T
V
CURRENT FLOWS
INTO OUTPUT PIN
V
(LT1761-BYP, -SD)
U
J
IN
OUT
LT1761-3
= 25°C
LT1761-2.8
= 0V
1
= V
LT1761-2.5
2
ADJ
LT1761-2
LT1761-1.8
OUTPUT VOLTAGE (V)
LT1761-1.5
3
LT1761-1.2
4
LT1761-BYP
LT1761-SD
LT1761-5
5
circuit. Current flow back into the output will follow the
curve shown in Figure 6.
When the IN pin of the LT1761-X is forced below the OUT
pin or the OUT pin is pulled above the IN pin, input current
will typically drop to less than 2μA. This can happen if the
input of the device is connected to a discharged (low
voltage) battery and the output is held up by either a
backup battery or a second regulator circuit. The state of
the SHDN pin will have no effect on the reverse output
current when the output is pulled above the input.
6
7
LT1761-3.3
8
9
1761 F06
10
1761sfc