參數(shù)資料
型號(hào)： LT1579CS8
廠商： LINEAR TECHNOLOGY CORP
元件分類(lèi)： 基準(zhǔn)電壓源/電流源
英文描述： CAP 22UF 80V ELECT TG SMD
中文描述： 1.5 V-20 V ADJUSTABLE POSITIVE LDO REGULATOR, 0.75 V DROPOUT, PDSO8
封裝： 0.150 INCH, PLASTIC, SOP-8
文件頁(yè)數(shù)： 9/20頁(yè)
文件大?。?/td> 352K
代理商： LT1579CS8
9
LT1579
TYPICAL PERFOR
M
A
CE CHARACTERISTICS
U
FREQUENCY (Hz)
10
40
R
50
60
70
80
100
1k
10k
100k
1M
1579 G30
30
20
10
0
90
100
C
OUT
= 47
μ
F
SOLID
TANTALUM
C
OUT
= 4.7
μ
F
SOLID
TANTALUM
I
LOAD
= 150mA
V
IN
= 6V + 50mV
RMS
RIPPLE
Ripple Rejection
PI
FU
CTIO
N
S
U
U
V
IN1
:
The primary power source is connected to V
IN1
. A
bypass capacitor is required on this pin if the device is
more than six inches away from the main input filter
capacitor. In general, the output impedance of a battery
rises with frequency, so it is advisable to include a bypass
capacitor in battery-powered circuits. A bypass capacitor
in the range of 1
μ
F to 10
μ
F is sufficient.
V
IN2
:
The secondary power source is connected to V
IN2
.
A bypass capacitor is required on this pin if the device is
more than six inches away from the main input filter
capacitor. In general, the output impedance of a battery
rises with frequency, so it is advisable to include a bypass
capacitor in battery-powered circuits. A bypass capacitor
in the range of 1
μ
F to 10
μ
F is sufficient.
OUT:
The output supplies power to the load. A minimum
output capacitor of 4.7
μ
F is required to prevent oscilla-
tions. Larger output capacitors will be required for appli-
cations with large transient loads to limit peak voltage
transients.
ADJ:
For the adjustable LT1579, this is the input to the
error amplifier. This pin is internally clamped to 7V and
–0.6V (one V
BE
). It has a bias current of 6nA which flows
6V
5V
V
IN1
V
50mV/DIV
UNPLUG
V
IN1
REPLACE
V
IN1
LT1579-5 “Hot” Plugging and
Unplugging Transient Response
TIME (ms)
0
O
D
L
–50
50
0.8
1579 G34
200
–100
0
100
300
100
0.2
0.4
0.6
0.1
0.9
0.3
0.5
0.7
1,0
V
IN
= 6V
C
IN
= 1
μ
F CERAMIC
C
OUT
= 22
μ
F TANTALUM
LT1579-5 Transient Response
LT1579-5 Transient Response
TIME (
μ
s)
0
O
D
L
–50
50
400
1579 G33
100
50
–100
0
100
75
25
0
100
200
300
50
450
150
250
350
500
V
IN
= 6V
C
IN
= 1
μ
F CERAMIC
C
OUT
= 4.7
μ
F TANTALUM
Load Regulation
TEMPERATURE (
°
C)
–50
L
–2
25
1579 G40
–8
–12
–25
0
50
–14
–16
0
–4
–6
–10
75
100
125
I
LOAD
= 1mA TO 300mA
LT1579
LT1579-5
LT1579-3.3
LT1579-3
相關(guān)PDF資料
PDF描述
LT1579CS8-3 CAP 22UF 80V ELECT TG SMD
LT1579CS8-3.3 CAP 33UF 80V ELECT TG SMD
LT1579CS8-5 CAP 33UF 80V ELECT TG SMD
LT1579-3 300mA Dual Input Smart Battery Backup Regulator
LT1579CGN 300mA Dual Input Smart Battery Backup Regulator
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
LT1579CS8#PBF 功能描述:IC LDO REG SMART DUAL ADJ 8-SOIC RoHS:是 類(lèi)別:集成電路 (IC) >> PMIC - 電池管理 系列:- 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:2,500 系列:- 功能:電池監(jiān)控器 電池化學(xué):堿性，鋰離子，鎳鎘，鎳金屬氫化物 電源電壓:1 V ~ 5.5 V 工作溫度:-40°C ~ 85°C 安裝類(lèi)型:表面貼裝 封裝/外殼:SOT-23-6 供應(yīng)商設(shè)備封裝:SOT-6 包裝:帶卷 (TR)
LT1579CS8#TR 功能描述:IC REG LDO SMART DUAL ADJ 8SOIC RoHS:否 類(lèi)別:集成電路 (IC) >> PMIC - 電池管理 系列:- 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:2,500 系列:- 功能:電池監(jiān)控器 電池化學(xué):堿性，鋰離子，鎳鎘，鎳金屬氫化物 電源電壓:1 V ~ 5.5 V 工作溫度:-40°C ~ 85°C 安裝類(lèi)型:表面貼裝 封裝/外殼:SOT-23-6 供應(yīng)商設(shè)備封裝:SOT-6 包裝:帶卷 (TR)
LT1579CS8#TRPBF 功能描述:IC LDO REG SMART DUAL ADJ 8-SOIC RoHS:是 類(lèi)別:集成電路 (IC) >> PMIC - 電池管理 系列:- 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:2,500 系列:- 功能:電池監(jiān)控器 電池化學(xué):堿性，鋰離子，鎳鎘，鎳金屬氫化物 電源電壓:1 V ~ 5.5 V 工作溫度:-40°C ~ 85°C 安裝類(lèi)型:表面貼裝 封裝/外殼:SOT-23-6 供應(yīng)商設(shè)備封裝:SOT-6 包裝:帶卷 (TR)
LT1579CS8-3 功能描述:IC LDO REG SMART DUAL 3V 8-SOIC RoHS:否 類(lèi)別:集成電路 (IC) >> PMIC - 電池管理 系列:- 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:2,500 系列:- 功能:電池監(jiān)控器 電池化學(xué):堿性，鋰離子，鎳鎘，鎳金屬氫化物 電源電壓:1 V ~ 5.5 V 工作溫度:-40°C ~ 85°C 安裝類(lèi)型:表面貼裝 封裝/外殼:SOT-23-6 供應(yīng)商設(shè)備封裝:SOT-6 包裝:帶卷 (TR)
LT1579CS8-3#PBF 功能描述:IC LDO REG SMART DUAL 3V 8-SOIC RoHS:是 類(lèi)別:集成電路 (IC) >> PMIC - 電池管理 系列:- 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:2,500 系列:- 功能:電池監(jiān)控器 電池化學(xué):堿性，鋰離子，鎳鎘，鎳金屬氫化物 電源電壓:1 V ~ 5.5 V 工作溫度:-40°C ~ 85°C 安裝類(lèi)型:表面貼裝 封裝/外殼:SOT-23-6 供應(yīng)商設(shè)備封裝:SOT-6 包裝:帶卷 (TR)
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