L4931CZ33-AP STMicroelectronics, L4931CZ33-AP Datasheet - Page 9

• Manufacturer Part Number: L4931CZ33-AP
• Description: IC REG VLDO 250MA 3.3V TO-92
• Manufacturer: STMicroelectronics

Specifications of L4931CZ33-AP

• Regulator Topology: Positive Fixed
• Voltage - Output: 3.3V
• Voltage - Input: Up to 20V
• Voltage - Dropout (typical): 0.4V @ 250mA
• Number Of Regulators: 1
• Current - Output: 250mA
• Operating Temperature: -40°C ~ 125°C
• Mounting Type: Through Hole
• Package / Case: TO-92-3 (Standard Body), TO-226
• Number Of Outputs: 1
• Polarity: Positive
• Input Voltage Max: 20 V
• Output Voltage: 3.3 V
• Output Type: Fixed
• Dropout Voltage (max): 0.8 V
• Output Current: 250 mA
• Line Regulation: 18 mV
• Load Regulation: 18 mV
• Voltage Regulation Accuracy: 2 %
• Maximum Operating Temperature: + 125 C
• Mounting Style: Through Hole
• Minimum Operating Temperature: - 40 C
• Primary Input Voltage: 20V
• Output Voltage Fixed: 3.3V
• Dropout Voltage Vdo: 400mV
• No. Of Pins: 3
• Operating Temperature Range: -40°C To +125°C
• Leaded Process Compatible: Yes
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Current - Limit (min): -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant
• Other names: 497-7246-3; L4931CZ33-AP

5
Table 4.
1. For SO-8 package the maximum limit of load regulation and dropout is increased by 20 mV.
Symbol
SVR
V
I
C
V
eN
V
V
V
out
V
V
I
I
d
IH
O
IL
I
O
d
I
O
O
Output voltage
Operating input voltage
Output current limit
Line regulation
Load regulation
Quiescent current
ON MODE
OFF MODE
Supply voltage rejection
Output noise voltage
Dropout voltage
Control input logic low
Control Input Logic High
Control input current
Output bypass
capacitance
Electrical characteristics
Electrical characteristics of L4931ABxx27 (refer to the test circuits, T
C
I
= 0.1 µF, C
Parameter
(1)
(1)
O
= 2.2 µF unless otherwise specified).
V
B = 10 Hz to 100 kHz
T
I
I
I
V
V
V
V
I
V
I
I
T
V
ESR = 0.1 to 10 , I
O
O
O
O
O
O
A
A
I
I
I
I
I
I
I
= 3.4 to 20 V, I
= 3.6 V, I
= 3.6 to 20 V, I
= 3.6 to 20 V, I
= 6 V
= 4.6 ± 1 V
= 6 V, V
= 5 mA, V
= 5 mA, V
= 250 mA
= 5 mA
= 250 mA
= 250 mA, T
= -40 to 125°C
= -40 to 125°C
C
O
Test conditions
= 6 V
I
I
= 0.5 to 250 mA
= 4.7 V
= 4.7 V, T
A
= -40 to 125°C
O
O
O
= 0.5 mA
= 0 mA
= 250 mA
O
f = 120 Hz
f = 1 kHz
f = 10 kHz
= 0 to 250 mA
A
=-25 to 85°C
2.673
2.646
Min.
2
2
Typ.
300
2.7
0.6
0.4
50
74
71
55
50
10
10
3
3
4
A
= 25 °C,
2.727
2.754
Max.
100
0.6
0.8
0.8
20
15
15
1
6
Unit
mA
mV
mV
mA
µA
dB
µV
µA
µF
V
V
V
V
V
V
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