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CS5231-3GDPR5 Datasheet(PDF) 3 Page - ON Semiconductor

Part # CS5231-3GDPR5
Description  500 mA, 3.3 V Linear Regulator with Auxiliary Control
PDF  14 Pages
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Manufacturer  ONSEMI [ON Semiconductor]
Direct Link  http://www.onsemi.com
Logo ONSEMI - ON Semiconductor

CS5231-3GDPR5 Datasheet(HTML) 3 Page - ON Semiconductor

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CS5231−3
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3
ELECTRICAL CHARACTERISTICS (0
°C < TA < 70°C; 0°C < TJ < 125°C; 4.75 V ≤ VCC < 6.0 V; COUT ≥ 10 mF with
ESR < 1.0
W, IOUT = 10 mA; unless otherwise specified.)
Characteristic
Test Conditions
Min
Typ
Max
Unit
Linear Regulator
Output Voltage
10 mA < IOUT < 500 mA.
3.234
(− 2%)
3.3
3.366
(+ 2%)
V
Line Regulation
IOUT = 10mA; VIN = 4.75 V to 6.0 V
−
1.0
5.0
mV
Load Regulation
VIN = 5.0 V; IOUT = 10 mA to 500 mA
−
5.0
15
mV
Ground Current
IOUT = 10 mA
IOUT = 500 mA
−
−
2.0
3.0
3.0
6.0
mA
mA
Reverse Current
VIN = 0 V, VOUT = 3.3 V
−
0.45
1.0
mA
Current Limit
0 V < VOUT < 3.2 V
0.55
0.85
1.2
A
Thermal Shutdown
Note 2
150
180
210
°C
Thermal Shutdown Hysteresis
Note 2
−
25
−
°C
Auxiliary Drive
Upper VIN Threshold
Increase VIN until regulator turns on and
AuxDrv drives high
4.35
4.5
4.65
V
Lower VIN Threshold
Decrease VIN until regulator turns off and
AuxDrv drives low
4.25
4.4
4.55
V
VIN Threshold Hysteresis
−
75
100
125
mV
Output Low Voltage
IAuxDrv = 100 mA, 1.0 V < VIN < 4.5 V
−
0.1
0.4
V
Output Low Peak Voltage
Increase VIN from 0V to 1.0 V.
Record peak AuxDrv output voltage
−
0.65
0.9
V
AuxDrv Current Limit
VAuxDrv = 1.0 V; VIN = 4.0 V
0.5
6.0
25
mA
Response Time
Step VIN from 5.0 V to 4.0 V, measure time for
VAuxDrv to drive low. Note 2
−
1.0
10
ms
Pull−Up/Down Resistance
VIN = 0 V and VIN > 4.7 V.
5.0
10
25
k
W
2. Guaranteed by design, not 100% production tested. Thermal shutdown is 100% functionally tested at wafer probe.
PACKAGE PIN DESCRIPTION
Package Lead #
D2PAK−5
SOIC−8
Lead Symbol
Function
1
1
NC
No connection.
2
4
VIN
Input voltage.
3, Tab
2, 3, 6, 7
GND
Ground and IC substrate connection.
4
5
VOUT
Regulated output voltage.
5
8
AuxDrv
Output used to control an auxiliary supply voltage. This lead is driven
low if VIN is less than 4.5 V, and is otherwise pulled up to VIN through
an internal 10 k
W resistor.



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