l4995r STMicroelectronics, l4995r Datasheet - Page 9

• Manufacturer Part Number: l4995r
• Description: 5v, 500ma Low Drop Voltage Regulator
• Manufacturer: STMicroelectronics

L4995
2.2
2.3
Thermal data
For details, please refer to
PowerSSO-24™ thermal
Table 4.
1. The values quoted are for PCB 77mm x 86mm x 1.6mm, FR4, double layer; Copper thickness 0.070mm
Electrical characteristics
Values specified in this section are for V
otherwise stated.
Table 5.
mm
Vs, Vo
Vs, Vo
Vs, Vo
Vs, Vo
Vs, Vo
Vs, Vo
Pin
Copper area 3cm2 Thermal Vias, Thermal vias separation 1.2 mm, Thermal via diameter 0.3 mm +/- 0.08
mm, Cu thickness on vias 0.025 mm.
Vo
Vo
Vo
Vo
Symbol
R
R
thj-case
thj-amb
Symbol
V
I
V
I
V
I
SVR
I
V
qn_50
lim
Thermal data
General
short
qn_1
o_ref
dp
I
load
line
qs
(2)
(3)
Thermal resistance Junction to Ambient:
PowerSSO-12
PowerSSO-24
Thermal resistance Junction to Ambient:
PowerSSO-12
PowerSSO-24
Output voltage
Short circuit current
Output current limitation
Line regulation voltage
Load regulation voltage
Drop voltage
Ripple rejection
Current consumption with
regulator disabled
Current consumption
with regulator enabled
Current consumption
with regulator enabled
data.
Section 4.1: PowerSSO-12™ thermal data
(1)
Parameter
Parameter
s
= 5.6V to 31V, T
Vs = 5.6 to 31V
Io = 0 to 500mA
Vs = 13.5V
Vs = 13.5V
Vs = 5.6 to 31V
Io = 0 to 500mA
Io = 0 to 500mA
Io = 400mA
fr = 100 Hz
Vs = 13.5V,
En = low
Vs = 13.5V,
Io < 1mA,
Vs = 13.5V,
Io = 50mA,
Test condition
(1)
(1)
(4)
j
= -40 °C to +150 °C unless
Min.
550
600
4.9
Electrical specifications
55
and
Typ. Max.
5.00
800
900
270
290
90
3
Section 4.2:
Value
52
38
5
4
1050
1250
500
160
400
5.1
25
25
10
Unit
°K/W
°K/W
°K/W
°K/W
mV
mA
mA
mV
mV
Unit
dB
µA
µA
µA
V
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