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L6985F 数据表(PDF) 6 Page - STMicroelectronics

部件名 L6985F
功能描述  Internal current limiting
PDF  65 Pages
Scroll/Zoom Zoom In 100%  Zoom Out
制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

L6985F 数据表(HTML) 6 Page - STMicroelectronics

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Pin settings
L6985F
6/65
DocID027836 Rev 2
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.
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 a part of the analog circuitry to increase the efficiency at the light-load. Connect to GND if
not used.
-
E. p.
Exposed pad must be connected to SGND, PGND.
Table 1. Pin description (continued)
No.
Pin
Description
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 sec.)
260
°C
IHS, ILS
High-side / low-side switch current
2
A



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