L4971D013TR STMicroelectronics, L4971D013TR Datasheet - Page 3
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L4971D013TR
Manufacturer Part Number
L4971D013TR
Description
IC REG STEP DOWN 1.5A 16-SOIC
Manufacturer
STMicroelectronics
Type
Step-Down (Buck)r
Datasheet
1.L4971D013TR.pdf
(13 pages)
Specifications of L4971D013TR
Internal Switch(s)
Yes
Synchronous Rectifier
No
Number Of Outputs
1
Voltage - Output
3.3 ~ 50 V
Current - Output
1.5A
Frequency - Switching
100kHz ~ 300kHz
Voltage - Input
8 ~ 55 V
Operating Temperature
0°C ~ 125°C
Mounting Type
Surface Mount
Package / Case
16-SOIC (0.300", 7.5mm Width)
Power - Output
800mW
Output Voltage
50 V
Mounting Style
SMD/SMT
For Use With
497-4744 - BOARD EVAL FOR L4971/L4978 REG
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
497-3357-2
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
L4971D013TR
Manufacturer:
SOP16
Quantity:
20 000
Table 3. Absolute Maximum Ratings
Table 4. Thermal Data
(*) Package mounted on board.
3
Table 5. (T
* Specification Refered to T
DYNAMIC CHARACTERISTIC
Minidip
V
R
Symbol
Symbol
SVRR
V
V4
6
V
V
V
V
th(j-amb)
I
-V
4
ELECTRICAL CHARACTERISTCS
Vd
5
6
7
2
8
Vo
V
fs
I
l
Symbol
5
I
T
P
j
,T
tot
stg
j
V
= 25°C, Cosc = 2.7nF, Rosc = 20kΩ, V
V
S016
12
I
V
V
V
V
Thermal Resistance Junction to ambient
Operating input voltage range
Output voltage
Dropout voltage
Maximum limiting current
Efficiency
Switching frequency
Supply voltage ripple rejection
Voltage stability of switching
frequency
Temp. stability of switching
frequency
5
5
V
,V
,I
-V
11
12
13
14
3
6
6
11
Input voltage
Output DC voltage
Output peak voltage at t = 0.1µs f=200KHz
Maximum output current
Bootstrap voltage
Analogs input voltage (V
Analogs input voltage (V
(V
Power dissipation a Tamb ≤60°C
Junction and storage temperature
Parameter
CC
= 20V)
j
from 0 to 125°C
Parameter
Parameter
Vo = 3.3 to 50V; Io = 1.5A
Io = 0.5A
Io = 0.2 to 1.5A
Vcc = 8 to 55V
Vcc = 10V; Io = 1.5A
V
Vo = 3.3V; Io = 1.5A
Vi = Vcc+2V
Io = 1.5A; f
Vcc = 8 to 55V
Tj = 0 to 125°C
CC
CC
cc
= 24V)
= 24V
= 8 to 55V
Test Condition
CC
ripple
RMS
= 24V, unless otherwise specified.)
; Vo = Vref;
= 100Hz
Max.
SO16
*
*
*
*
*
DIP8
90 (*)
DIP8
3.292
Min.
3.33
3.22
90
60
8
2
-40 to 150
int. limit.
Typ.
3.36
3.36
3.36
0.44
100
Value
2.5
85
110 (*)
-0.3
3
4
0.8
SO16
58
14
70
12
13
-1
-5
6
1
3.427
Max.
3.39
0.55
0.88
110
3.5
55
3
6
Unit
°C/W
Unit
°C
W
W
L4971
V
V
V
V
V
V
V
V
V
Unit
KHz
dB
%
%
%
V
V
V
V
V
V
A
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