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L6986H Datasheet(PDF) 4 Page - STMicroelectronics

Part # L6986H
Description  38 V, 2 A synchronous step-down switching regulator with 30 μA quiescent current
PDF  68 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

L6986H Datasheet(HTML) 4 Page - STMicroelectronics

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Number
Pin
Description
10
SGND
Signal GND
11
PGND
Power GND
12
PGND
Power GND
13
LX
Switching node
14
LX
Switching node
15
VIN
DC input voltage
16
VBIAS
Typically connected to the regulated output voltage. An external
voltage reference can be used to supply part of the analog
circuitry to increase the efficiency at light-load. Connect to GND if
not used.
-
Exposed pad
Exposed pad must be connected to SGND, PGND
2.3
Maximum ratings
Stressing the device above the rating listed in Table 2. Absolute maximum ratings may cause permanent damage
to the device. These are stress ratings only and operation of the device at these or any other conditions above
those indicated in the operating sections of this specification is not implied. Exposure to absolute maximum rating
conditions may affect device reliability.
Table 2. Absolute maximum ratings
Symbol
Description
Min.
Max.
Unit
VIN
See Table 1
-0.3
40
V
DELAY
-0.3
VCC+ 0.3
V
PGND
SGND - 0.3
SGND + 0.3
V
SGND
-
-
V
VCC
-0.3
(VIN+ 0.3) or (max. 4)
V
SS /INH
-0.3
VIN+ 0.3
V
MLF
-0.3
VCC+ 0.3
V
COMP
-0.3
VCC+ 0.3
V
VOUT
-0.3
10
V
FSW
-0.3
VCC+ 0.3
V
SYNCH
-0.3
VIN+ 0.3
V
VBIAS
-0.3
(VIN+ 0.3) or (max. 6)
V
RST
-0.3
VIN+ 0.3
V
LX
-0.3
VIN+ 0.3
V
TJ
Operating temperature range
-40
150
°C
TSTG
Storage temperature range
-
-65 to 150
°C
TLEAD
Lead temperature (soldering 10 s.)
-
260
°C
IHS, ILS
High-side / low-side switch current
-
2
A
L6986H
Maximum ratings
DS12905 - Rev 2
page 4/68



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