L4971D013TR STMicroelectronics, L4971D013TR Datasheet - Page 3

• Manufacturer Part Number: L4971D013TR
• Description: IC REG STEP DOWN 1.5A 16-SOIC
• Manufacturer: STMicroelectronics
• Type: Step-Down (Buck)r

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

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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