參數(shù)資料
型號: LT1619ES8
廠商: LINEAR TECHNOLOGY CORP
元件分類: 穩(wěn)壓器
英文描述: Low Voltage Current Mode PWM Controller
中文描述: 1.5 A SWITCHING CONTROLLER, 360 kHz SWITCHING FREQ-MAX, PDSO8
封裝: 0.150 INCH, PLASTIC, SO-16
文件頁數(shù): 2/20頁
文件大?。?/td> 256K
代理商: LT1619ES8
2
LT1619
1619fa
Input Voltage (V
IN
) ................................... –0.3V to 20V
Gate Drive Supply Voltage (DRV) ............. –0.3V to 20V
Shutdown/Synch Voltage (S/S) ................ –0.3V to 20V
Feedback Voltage (FB) .............................................. V
IN
Compensation Voltage (V
C
) ...................................... 3V
Gate Drive Output Current (GATE) ........................
±
1.5A
Current Sense Voltage (SENSE) .................–0.5V to V
IN
Operating Temperature Range (Note 2).. –40
°
C to 85
°
C
Junction Temperature (Note 3).............................125
°
C
Storage Temperature Range................. –65
°
C to 150
°
C
Lead Temperature (Soldering, 10 sec)..................300
°
C
Consult LTC Marketing for parts specified with wider operating temperature ranges.
T
JMAX
= 125
°
C,
θ
JA
= 200
°
C/W
T
JMAX
= 125
°
C,
θ
JA
= 120
°
C/W
(Note 1)
ORDER PART
NUMBER
MS8 PART MARKING
LT1619EMS8
LTHC
1
2
3
4
S/S
FB
V
C
GND
8
7
6
5
V
IN
DRV
GATE
SENSE
TOP VIEW
MS8 PACKAGE
8-LEAD PLASTIC MSOP
ORDER PART
NUMBER
S8 PART MARKING
LT1619ES8
1619
1
2
3
4
8
7
6
5
TOP VIEW
V
IN
DRV
GATE
SENSE
S/S
FB
V
C
GND
S8 PACKAGE
8-LEAD PLASTIC SO
PARAMETER
Reference Voltage
Reference Line Regulation
FB Input Bias Current
Error Amplifier Transconductance
Error Amplifier Output Source Current
Error Amplifier Output Sink Current
Error Amplifier Clamp Voltage
Undervoltage Lockout Threshold
Input Voltage Range
Switching Frequency
Synchronization Frequency Range
Maximum Duty Cycle
Current Limit Threshold
Burst Mode Operation Current Limit
CONDITIONS
Measured at the FB Pin
1.9V
V
IN
18V
V
FB
= V
REF
MIN
1.22
TYP
1.24
0.004
10
170
8.7
8.7
MAX
1.26
0.05
25
260
14
14
2.2
1.85
18
360
500
UNITS
G
V
%/V
nA
μ
–1
80
4
4
1.6
1.65
1.9
220
370
88
40
V
FB
= 1V, V
COMP
= 1V
V
FB
= 1.5V, V
COMP
= 1V
V
FB
= 1V
μ
A
μ
A
V
V
V
kHz
kHz
%
mV
mV
G
1.9V
V
IN
18V
G
300
G
92
53
10
G
66
The
G
denotes specifications which apply over the full operating temperature range, otherwise specifications are at T
A
= 25
°
C.
V
IN
= V
DRV
= 2.5V, V
S/S
= V
IN
, COMP open, V
SENSE
= 0V unless otherwise noted.
ABSOLUTEW
W
W
U
PACKAGE/ORDER U
U
W
ELECTRICAL CHARACTERISTICS
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