L5150CSTR STMicroelectronics, L5150CSTR Datasheet - Page 16

• Manufacturer Part Number: L5150CSTR
• Description: IC REG LDO 5V 150MA 8SOIC
• Manufacturer: STMicroelectronics
• Series: -r

Specifications of L5150CSTR

• Regulator Topology: Positive Fixed
• Voltage - Output: 5V
• Voltage - Input: 5.6 ~ 40 V
• Number Of Regulators: 1
• Current - Output: 150mA
• Current - Limit (min): 280mA
• Operating Temperature: -40°C ~ 150°C
• Mounting Type: Surface Mount
• Package / Case: 8-SOIC (3.9mm Width)
• Voltage - Dropout (typical): -
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Voltage - Dropout (typical): -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

Application information
3.2
16/34
Reset
The reset circuit monitors the output voltage V
V
than V
oscillator. The oscillator period is given by:
Equation 1
where:
o_th
I
I
V
C
then R
cr
dr
Rhth
o_th
tr
= 20 µA is an internally generated charge current,
= 20 µA is an internally generated discharge current,
is an external capacitor put between V
then R
= 2.5 V (typ) and V
es
goes low with a delay time (t
es
T
goes high with a delay time t
osc
= [(V
Rhth
Doc ID 15542 Rev 11
Rlth
- V
= 0.9 V (typ) are two voltage thresholds,
Rlth
) x C
rr
tr
). When the output voltage becomes higher
] / I
o
cr
. If the output voltage becomes lower than
rd
cr
pin and GND.
. This delay is obtained by 32 periods of
+ [(V
Rhth
- V
Rlth
) x C
tr
L5150CJ / L5150CS
] / I
dr