L5970D013TR STMicroelectronics, L5970D013TR Datasheet - Page 5

• Manufacturer Part Number: L5970D013TR
• Description: IC REG LDO SW STEPDOWN 1A 8-SOIC
• Manufacturer: STMicroelectronics
• Type: Step-Down (Buck)r

Specifications of L5970D013TR

• Internal Switch(s): Yes
• Synchronous Rectifier: No
• Number Of Outputs: 1
• Voltage - Output: 1.2 ~ 35 V
• Current - Output: 1A
• Frequency - Switching: 250kHz
• Voltage - Input: 4.4 ~ 36 V
• Operating Temperature: -40°C ~ 150°C
• Mounting Type: Surface Mount
• Package / Case: 8-SOIC (3.9mm Width)
• Power - Output: 750mW
• Dc To Dc Converter Type: Step Down
• Pin Count: 8
• Input Voltage: 36V
• Output Voltage: 1.2 to 35V
• Switching Freq: 275kHz
• Output Current: 1A
• Efficiency: 90%
• Package Type: SO
• Output Type: Adjustable
• Switching Regulator: Yes
• Load Regulation: 15mV
• Line Regulation: 10mV
• Mounting: Surface Mount
• Input Voltage (min): 4.4V
• Operating Temperature Classification: Automotive
• Package: 8SO
• Minimum Input Voltage: 4.4 V
• Maximum Input Voltage: 36 V
• Switching Frequency: 275 KHz
• Maximum Output Current: 1 A
• Operating Temperature Range: - 40 C to + 150 C
• Mounting Style: SMD/SMT
• Duty Cycle (max): 100 %
• For Use With: 497-8849 - BOARD DEMO STW9N150 100W 3PHASE497-4132 - EVAL BOARD FOR L5970 SERIES
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 497-3636-2

L5970D
3
Electrical characteristics
Table 4. Electrical characteristics
( T
Dynamic characteristics (see test circuit ).
DC characteristics
Inhibit
Error amplfier
J
Symbol
R
I
= 25°C, V
o source
I
qst-by
V
V
DS(on)
I
V
V
qop
f
I
h
OH
CC
I
OL
s
q
l
5
CC
Operating input
voltage range
Mosfet on
Resistance
Maximum limiting
current
Switching frequency
Duty cycle
Voltage feedback
Efficiency
Total operating
quiescent current
Quiescent current
Total stand-by
quiescent current
INH threshold
voltage
High level output
voltage
Low level output
voltage
Source output
current
= 12V, unless otherwise specified)
Parameter
V
V
4.4V < V
20mA < I
V
Duty cycle = 0;
V
V
V
V
Device ON
Device OFF
V
V
V
V
o
CC
O
FB
inh
CC
inh
FB
FB
COMP
FB
= 1.235V; I
= 5V, V
= 1V
= 1.5V
> 2.2V
> 2.2V
= 1.5V
= 1V
= 4.4V to 36V
= 36V;
Test condition
= 1.9V;
CC
O
CC
< 2A
< 36V,
o
= 12V
= 2A
(1)
(1)
(1)
(1)
(1)
(1)
(1)
1.220 1.235
1.198 1.235 1.272
Min
212
225
200
4.4
1.5
2.2
3.5
Electrical characteristics
0
0.250
1.87
Typ
250
250
300
90
50
80
3
Max
2.25
1.25
280
275
100
100
150
0.5
2.5
0.8
0.4
36
5
Unit
KHz
KHz
mA
mA
µA
µA
µA
%
%
Ω
V
A
V
V
V
V
V
V
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