參數(shù)資料
型號(hào)： LM3310SQ
廠商： NATIONAL SEMICONDUCTOR CORP
元件分類： 穩(wěn)壓器
英文描述： Step-up PWM DC/DC Converter with Integrated Op-Amp and Gate Pulse Modulation Switch
中文描述： 2.6 A SWITCHING REGULATOR, 1500 kHz SWITCHING FREQ-MAX, QCC24
封裝： LLP-24
文件頁數(shù)： 6/25頁
文件大小： 1668K
代理商： LM3310SQ
Electrical Characteristics V
IN
=2.5V and I
L
= 0A
(Continued)
Specifications in standard type face are for T
= 25C and those with
boldface type
apply over the full
Operating Tempera-
ture Range
( T
J
= 40C to +125C). Unless otherwise specified, V
IN
=2.5V and I
L
= 0A.
Symbol
Parameter
Conditions
I
FREQ
FREQ Pin Current
FREQ = V
IN
= 2.5V
Min
(Note 5)
Typ
(Note 6)
Max
(Note 5)
2.7
Units
μA
13.5
Electrical Characteristics V
IN
=2.5V and AV
IN
= 8V
Specifications in standard type face are for T
= 25C and those with
boldface type
apply over the full
Operating Tempera-
ture Range
( T
J
= 40C to +125C). Unless otherwise specified V
IN
=2.5V and AV
IN
= 8V.
Operational Amplifier
Symbol
Parameter
Conditions
V
OS
Input Offset Voltage
Buffer configuration, V
O
=
AV
IN
/2, no load
I
B
Input Bias Current (POS Pin)
Buffer configuration, V
O
=
AV
IN
/2, no load (Note 9)
V
OUT
Swing
Buffer, R
L
=2k
, V
O
min.
Buffer, R
L
=2k
, V
O
max.
AV
IN
Supply Voltage
Is+
Supply Current
Buffer, V
O
= AV
IN
/2, No Load
I
OUT
Output Current
Source
Sink
Min
(Note 5)
Typ
(Note 6)
Max
(Note 5)
Units
5.7
15
mV
200
550
nA
0.001
7.97
0.03
V
7.9
4
12
7.8
195
175
V
1.5
138
135
mA
90
105
mA
Electrical Characteristics V
IN
=2.5V
Specifications in standard type face are for T
= 25C and those with
boldface type
apply over the full
Operating Tempera-
ture Range
( T
J
= 40C to +125C). Unless otherwise specified V
IN
=2.5V.
Gate Pulse Modulation
Symbol
Parameter
Conditions
VFLK
VFLK Voltage Levels
Rising edge threshold
Falling edge threshold
VDPM
VDPM Voltage Levels
Rising edge threshold
Falling edge threshold
V
DD(TH)
V
DD
Threshold
VGHM = 30V
VGHM = 5V
I
VFLK
VFLK Current
VFLK = 1.5V
VFLK = 0.3V
I
VDPM
VDPM Current
VDPM = 1.5V
VDPM = 0.3V
I
VGH
VGH Bias Current
VGH = 30V, VFLK High
VGH = 30V, VFLK Low
R
VGH-VGHM
VGH to VGHM Resistance
20mA Current, VGH = 30V
R
VGHM-RE
VGHM to RE Resistance
20mA Current, VGH = VGHM
= 30V
R
VGHM(OFF)
VGH Resistance
VDPM is Low, VGHM = 2V
I
CE
CE Current
CE = 0V
V
CE(TH)
CE Voltage Threshold
Min
(Note 5)
Typ
(Note 6)
Max
(Note 5)
Units
1.4
V
0.4
1.4
V
0.4
2.8
0.4
3
3.3
0.7
11
2.5
11
2.5
300
35.5
28.5
V
0.5
4.8
1.1
4.8
1.1
59
11
14
μA
μA
μA
27
55
1.2
11
1.22
1.7
16
1.34
k
μA
V
7
1.16
Note 1:
Absolute maximum ratings are limits beyond which damage to the device may occur. Operating Ratings are conditions for which the device is intended to
be functional, but device parameter specifications may not be guaranteed. For guaranteed specifications and test conditions, see the Electrical Characteristics.
Note 2:
Under normal operation the V
and CE pins may go to voltages above this value. The maximum rating is for the possibility of a voltage being applied to
the pin, however the V
C
and CE pins should never have a voltage directly applied to them.
Note 3:
The maximum allowable power dissipation is a function of the maximum junction temperature, T
(MAX), the junction-to-ambient thermal resistance,
θ
,
and the ambient temperature, T
. See the Electrical Characteristics table for the thermal resistance of various layouts. The maximum allowable power dissipation
at any ambient temperature is calculated using: P
(MAX) = (T
J(MAX)
T
A
)/
θ
JA
. Exceeding the maximum allowable power dissipation will cause excessive die
temperature, and the regulator will go into thermal shutdown.
Note 4:
The human body model is a 100pF capacitor discharged through a 1.5k
resistor into each pin per JEDEC standard JESD22-A114.
L
www.national.com
6
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
LM3310SQ/NOPB 功能描述:DC/DC 開關(guān)控制器 RoHS:否 制造商:Texas Instruments 輸入電壓:6 V to 100 V 開關(guān)頻率: 輸出電壓:1.215 V to 80 V 輸出電流:3.5 A 輸出端數(shù)量:1 最大工作溫度:+ 125 C 安裝風(fēng)格: 封裝 / 箱體:CPAK
LM3310SQX 功能描述:DC/DC 開關(guān)控制器 RoHS:否 制造商:Texas Instruments 輸入電壓:6 V to 100 V 開關(guān)頻率: 輸出電壓:1.215 V to 80 V 輸出電流:3.5 A 輸出端數(shù)量:1 最大工作溫度:+ 125 C 安裝風(fēng)格: 封裝 / 箱體:CPAK
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LM3311 制造商:NSC 制造商全稱:National Semiconductor 功能描述:Step-Up PWM DC/DC Converter with Integrated LDO, Op-Amp, and Gate Pulse Modulation Switch
LM3311_07 制造商:NSC 制造商全稱:National Semiconductor 功能描述:Step-Up PWM DC/DC Converter with Integrated LDO, Op-Amp, and Gate Pulse Modulation Switch
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