EVAL5985 STMicroelectronics, EVAL5985 Datasheet - Page 5

• Manufacturer Part Number: EVAL5985
• Description: BOARD EVAL FOR L5985
• Manufacturer: STMicroelectronics
• Type: DC/DC Switching Converters, Regulators & Controllersr

Specifications of EVAL5985

• Main Purpose: DC/DC, Step Down
• Outputs And Type: 1, Non-Isolated
• Voltage - Output: 3.3V
• Current - Output: 2A
• Voltage - Input: 3.3 ~ 18V
• Regulator Topology: Buck
• Frequency - Switching: 500kHz
• Board Type: Fully Populated
• Utilized Ic / Part: L5985
• Input Voltage: 2.9 V to 18 V
• Output Voltage: 0.6 V to 16 V
• Product: Power Management Modules
• Silicon Manufacturer: ST Micro
• Silicon Core Number: L5985
• Kit Application Type: Power Management - Voltage Regulator
• Application Sub Type: Step Down Switching Regulator
• Kit Contents: Board
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Power - Output: -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant
• For Use With/related Products: L5985
• Other names: 497-6387; EVAL5985

L5985
3
Electrical characteristics
T
Table 4.
Oscillator
Dynamic characteristics
DC characteristics
Inhibit
Soft-start
J
Symbol
V
R
I
= 25 °C, V
V
QST-BY
V
CCHYS
F
V
DS(on)
F
CCON
V
T
I
FSW
LIM
ADJ
I
SW
D
CC
SS
FB
Q
Operating input voltage
range
Turn on V
V
MOSFET on resistance
Maximum limiting current
Switching frequency
FSW pin voltage
Duty cycle
Adjustable switching
frequency
Feedback voltage
Quiescent current
Total stand-by quiescent
current
INH threshold voltage
INH current
Soft-start duration
Electrical characteristics
CC
CC
= 12 V, unless otherwise specified.
UVLO hysteresis
Parameter
CC
threshold
Doc ID 13006 Rev 5
(1)
(1)
(1)
(1)
(1)
R
2.9 V < V
Duty cycle = 0,
V
Device ON level
Device OFF level
INH = 0
FSW pin floating
F
R
SW
FB
FSW
FSW
= 0.8 V
= 1 MHz,
Test condition
= 33 kΩ
= 33 kΩ
CC
< 18 V
(1)
0.175
0.593
Min
225
220
2.9
2.5
1.9
7.4
0
Electrical characteristics
Values
1.254
1000
Typ
140
140
250
2.9
0.6
7.5
8.2
20
2
0.607
Max
170
220
275
275
100
2.9
0.3
3.3
2.4
0.6
9.1
18
30
10
Unit
kHz
kHz
mΩ
mA
ms
μA
μA
%
V
A
V
V
V
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