參數(shù)資料
型號: LTC4252-1IMS
廠商: LINEAR TECHNOLOGY CORP
元件分類: 電源管理
英文描述: TRANS ARRAY NPN/NPN SSMINI-6
中文描述: 2-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO10
封裝: PLASTIC, MSOP-10
文件頁數(shù): 2/32頁
文件大小: 327K
代理商: LTC4252-1IMS
LTC4252-1/LTC4252-2
2
425212f
SYMBOL
V
Z
r
Z
I
IN
V
LKO
V
LKH
V
CB
V
ACL
V
FCL
V
SS
R
SS
I
SS
PARAMETER
V
IN
– V
EE
Zener Voltage
V
IN
– V
EE
Zener Dynamic Impedance
V
IN
Supply Current
V
IN
Undervoltage Lockout
V
IN
Undervoltage Lockout Hysteresis
Circuit Breaker Current Limit Voltage
Analog Current Limit Voltage
Fast Current Limit Voltage
SS Voltage
SS Output Impedance
SS Pin Current
CONDITIONS
I
IN
= 2mA
I
IN
= 2mA to 30mA
UV = OV = 4V, V
IN
= (V
Z
– 0.3V)
Coming Out of UVLO (Rising V
IN
)
MIN
12
TYP
13
5
0.8
9.2
1
50
100
200
2.2
100
22
28
10
0.05
MAX
14.5
UNITS
G
V
G
2
mA
G
12
V
V
V
CB
= (V
SENSE
– V
EE
)
V
ACL
= (V
SENSE
– V
EE
), SS = Open or 2.2V
V
FCL
= (V
SENSE
– V
EE
)
After End of SS Timing Cycle
G
40
80
150
60
120
300
mV
mV
mV
G
G
V
k
μ
A
mA
mV
V/V
UV = OV = 4V, V
SENSE
= V
EE
, V
SS
= 0V (Sourcing)
UV = OV = 0V, V
SENSE
= V
EE
, V
SS
= 2V (Sinking)
V
OS
V
ACL
+V
OS
Ratio (V
ACL
+ V
OS
) to SS Voltage
V
SS
Analog Current Limit Offset Voltage
Current into V
IN
(100
μ
s Pulse) ........................... 100mA
V
IN
, DRAIN Pin Minimum Voltage ....................... –0.3V
Input/Output Pins
(Except SENSE and DRAIN) Voltage..........–0.3V to 16V
SENSE Pin Voltage ................................... –0.6V to 16V
Current Out of SENSE Pin (20
μ
s Pulse)........... –200mA
Current into DRAIN Pin (100
μ
s Pulse) ................. 20mA
ORDER PART
NUMBER
MS PART MARKING
LTWN
LTWQ
LTRS
LTRT
T
JMAX
= 125
°
C,
θ
JA
= 160
°
C/W
Consult LTC Marketing for parts specified with wider operating temperature ranges.
LTC4252-1CMS
LTC4252-2CMS
LTC4252-1IMS
LTC4252-2IMS
ABSOLUTEW
W
W
U
PACKAGE/ORDER IU
U
W
All Voltages Referred to V
EE
(Note 1)
Maximum Junction Temperature..........................125
°
C
Operating Temperature Range
LTC4252-1C/LTC4252-2C .......................0
°
C to 70
°
C
LTC4252-1I/LTC4252-2I ................... –40
°
C to 85
°
C
Storage Temperature Range................. –65
°
C to 150
°
C
Lead Temperature (Soldering, 10 sec)..................300
°
C
ELECTRICAL CHARACTERISTICS
temperature range, otherwise specifications are at T
A
= 25
°
C. (Note 2)
The
G
denotes the specifications which apply over the full operating
T
JMAX
= 125
°
C,
θ
JA
= 160
°
C/W
ORDER PART
NUMBER
MS8 PART MARKING
LTWM
LTWP
LTRQ
LTRR
LTC4252-1CMS8
LTC4252-2CMS8
LTC4252-1IMS8
LTC4252-2IMS8
1
2
3
4
5
V
IN
PWRGD
SS
SENSE
V
EE
10
9
8
7
6
TIMER
UV
OV
DRAIN
GATE
TOP VIEW
MS PACKAGE
10-LEAD PLASTIC MSOP
1
2
3
4
8
7
6
5
TOP VIEW
MS8 PACKAGE
8-LEAD PLASTIC MSOP
V
IN
SS
SENSE
V
EE
TIMER
UV/OV
DRAIN
GATE
相關(guān)PDF資料
PDF描述
LTC4252-1IMS8 TRANS ARRAY NPN/NPN SSMINI-6
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