參數(shù)資料
型號(hào)： LT1611
廠商： LINEAR TECHNOLOGY CORP
元件分類： 穩(wěn)壓器
英文描述： Isolated Flyback Switching Regulator with 9V Output
中文描述： SWITCHING REGULATOR, 1400 kHz SWITCHING FREQ-MAX, PDSO5
封裝： SOT-23, 5 PIN
文件頁(yè)數(shù)： 2/12頁(yè)
文件大?。?/td> 263K
代理商： LT1611
2
LT1611
ABSOLUTE
AXI
U
RATIU
W
(Note 1)
V
IN
Voltage .............................................................. 10V
SW Voltage................................................–0.4V to 36V
NFB Voltage.............................................................–3V
Current into NFB Pin.............................................
±
1mA
SHDN Voltage.......................................................... 10V
Maximum Junction Temperature..........................125
°
C
Operating Temperature Range
Commercial .............................................0
°
C to 70
°
C
Extended Commercial (Note 2)........... –40
°
C to 85
°
C
Storage Temperature Range................. –65
°
C to 150
°
C
Lead Temperature (Soldering, 10 sec)..................300
°
C
W
W
PACKAGE/ORDER I
FOR
ATIO
W
U
U
ORDER PART
NUMBER
LT1611CS5
T
JMAX
= 125
°
C,
θ
JA
= 256
°
C/W
S5 PART MARKING
LTES
Consult factory for Industrial and Military grade parts.
SW 1
GND 2
TOP VIEW
S5 PACKAGE
5-LEAD PLASTIC SOT-23
NFB 3
5 V
IN
4 SHDN
ELECTRICAL CHARACTERISTICS
temperature range, otherwise specifications are at T
A
= 25
°
C. V
IN
= 1.5V, V
SHDN
= V
IN
unless otherwise noted.
PARAMETER
Minimum Operating Voltage
Maximum Operating Voltage
NFB Pin Bias Current
Feedback Voltage
Quiescent Current
Quiescent Current in Shutdown
CONDITIONS
MIN
TYP
0.9
MAX
1.1
10
–6.7
–1.255
4.5
0.5
1.0
0.2
1.8
UNITS
V
V
V
NFB
= –1.23V
G
–2.7
–1.205
–4.7
–1.23
3
0.01
0.01
0.02
1.4
86
800
300
0.01
μ
A
V
mA
μ
A
μ
A
%/V
MHz
G
V
SHDN
= 1.5V, Not Switching
V
SHDN
= 0V, V
IN
= 2V
V
SHDN
= 0V, V
IN
= 5V
1.5V
≤
V
IN
≤
10V
Reference Line Regulation
Switching Frequency
Maximum Duty Cycle
Switch Current Limit
Switch V
CESAT
Switch Leakage Current
SHDN Input Voltage High
SHDN Input Voltage Low
SHDN Pin Bias Current
G
1.0
82
550
G
%
(Note 3)
I
SW
= 300mA
V
SW
= 5V
mA
mV
μ
A
350
1
1
V
V
0.3
50
0.1
V
SHDN
= 3V
V
SHDN
= 0V
25
0
μ
A
μ
A
Note 1:
Absolute Maximum Ratings are those values beyond which the life
of a device may be impaired.
Note 2:
C grade device specifications are guaranteed over the 0
°
C to 70
°
C
temperature range. In addition, C grade device specifications are assured
over the –40
°
C to 85
°
C temperature range by design or correlation, but
are not production tested.
Note 3:
Current limit guaranteed by design and/or correlation to static test.
Slope compensation reduces current limit at higher duty cycle.
The
G
denotes the specifications which apply over the full operating
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LT1611CS5#TRM 功能描述:IC REG INV ADJ 0.3A SOT23-5 RoHS:否 類別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - DC DC 開關(guān)穩(wěn)壓器 系列:- 標(biāo)準(zhǔn)包裝:2,500 系列:- 類型:升壓（升壓） 輸出類型:可調(diào)式 輸出數(shù):1 輸出電壓:1.24 V ~ 30 V 輸入電壓:1.5 V ~ 12 V PWM 型:電流模式，混合 頻率 - 開關(guān):600kHz 電流 - 輸出:500mA 同步整流器:無 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:8-SOIC（0.154"，3.90mm 寬） 包裝:帶卷 (TR) 供應(yīng)商設(shè)備封裝:8-SOIC
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