參數(shù)資料
型號： LT3782AEFE#TR
廠商： LINEAR TECHNOLOGY CORP
元件分類： 穩(wěn)壓器
英文描述： SWITCHING CONTROLLER, PDSO28
封裝： 4.40 MM, PLASTIC, TSSOP-28
文件頁數(shù)： 15/20頁
文件大?。?/td> 233K
代理商： LT3782AEFE#TR
LT3782A
4
3782af
VCC (V)
6
I CC
(mA)
20
18
16
12
14
10
8
6
4
2
0
22
3782A G02
10
8
121620
26
14
18
30
24
28
VCC (V)
6
ΔV
REF
(mV)
30
3782A G03
12
18
24
27
9
15
21
3
2
1
0
–1
–2
–3
–4
–5
ΔFREQUENCY
(kHz)
12
10
8
6
4
2
0
–2
–4
ΔFREQUENCY
ΔVREF
IGBIAS (mA)
0
V
GBIAS
(V)
10.5
100
3782A G01
10.0
10.6
10.1
10.7
10.2
10.8
10.3
10.9
10.4
50
11.0
The
● denotes the specications which apply over the full operating junction
temperature range, otherwise specications are at TA = 25°C. VCC = 13V, RSET = 80k, no load on any outputs, unless otherwise noted.
Note 1: Stresses beyond those listed under Absolute Maximum Ratings
may cause permanent damage to the device. Exposure to any Absolute
Maximum Rating condition for extended periods may affect device
reliability and lifetime.
Note 2: The LT3782AE is guaranteed to meet performance specications
from 0°C to 85°C. Specications over the –40°C to 125°C operating
junction temperature range are assured by design, characterization and
correlation with statistical process controls. The LT3782AI is guaranteed
to meet performance specications over the full –40°C to 125°C operating
junction temperature range.
Note 3: This IC includes overtemperature protection that is intended
to protect the device during momentary overload conditions. Junction
temperature will exceed 125°C when overtemperature protection is active.
Continuous operation above the specied maximum operating junction
temperature may impair device reliability.
VGBIAS vs IGBIAS
ICC vs VCC
ΔVREF vs VCC, ΔFrequency vs VCC
(RSET = 80k)
ELECTRICAL CHARACTERISTICS
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
Gate Driver
VGBIAS
IGBIAS < 70mA
l
10.2
11
11.7
V
BGATE1, BGATE2 High Voltage
13V ≤ VCC ≤ 24V, IBGATE = –100mA
VCC = 8V, IBGATE = –100mA
l
7.8
3.8
9.2
5
10.5
V
BGATE1, BGATE2 Source Current (Peak)
Capacitive Load >22μF
Capacitive Load >50μF
3
4
A
BGATE1, BGATE2 Low Voltage
8V ≤ VCC ≤ 24V, IBGATE = 100mA
l
0.5
0.7
V
BGATE1, BGATE2 Sink Current (Peak)
Capacitive Load >22μF
Capacitive Load >50μF
3
4
A
SGATE1, SGATE2 High Voltage
8V ≤ VCC ≤ 24V, ISGATE = –20mA
l
4.5
5.5
6.7
V
SGATE1, SGATE2 Low Voltage
8V ≤ VCC ≤ 24V, ISGATE = 20mA
0.5
0.7
V
SGATE1, SGATE2 Peak Current
500pF Load
100
mA
Delay of BGATE High
DELAY Pin and RSET Pin Shorted
VDELAY = 1V
VDELAY = 0.5V
VDELAY = 0.25V
100
150
250
500
ns
Delay Pin Input Current
VDELAY = 0.25V
l
–0.1
–0.3
μA
TA = 25°C unless otherwise noted.
TYPICAL PERFORMANCE CHARACTERISTICS
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LT3782AEUFD#TRPBF 功能描述:IC REG CTRLR BST PWM CM 28-QFN RoHS:是 類別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - DC DC 切換控制器 系列:- 標(biāo)準(zhǔn)包裝:4,500 系列:PowerWise® PWM 型:控制器 輸出數(shù):1 頻率 - 最大:1MHz 占空比:95% 電源電壓:2.8 V ~ 5.5 V 降壓:是 升壓:無 回掃:無 反相:無 倍增器:無 除法器:無 Cuk:無 隔離:無 工作溫度:-40°C ~ 125°C 封裝/外殼:6-WDFN 裸露焊盤 包裝:帶卷 (TR) 配用:LM1771EVAL-ND - BOARD EVALUATION LM1771 其它名稱:LM1771SSDX
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