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參數資料
| 型號： | LM2716 |
| 廠商： | National Semiconductor Corporation |
| 英文描述： | Dual (Step-up and Step-down) PWM DC/DC Converter |
| 中文描述： | 雙（升壓和降壓）PWM直流/直流轉換器 |
| 文件頁數： | 5/17頁 |
| 文件大小： | 563K |
| 代理商： | LM2716 |
Absolute Maximum Ratings
(Note 1)
If Military/Aerospace specified devices are required,
please contact the National Semiconductor Sales Office/
Distributors for availability and specifications.
V
IN
SW1 Voltage
SW2 Voltage
FB1 Voltage
FB2 Voltage
V
C1
Voltage
V
C2
Voltage
SHDN1 Voltage
SHDN2 Voltage
SS1 Voltage
SS2 Voltage
FSLCT Voltage
CB1 Voltage
Maximum Junction Temperature
0.3V to 22V
0.3V to 22V
0.3V to 22V
0.3V to 7V
0.3V to 7V
1.75V
≤
V
C1
≤
2.25V
0.965V
≤
V
C2
≤
1.565V
0.3V to 7.5V
0.3V to 7.5V
0.3V to 2.1V
0.3V to 0.6V
AGND to 5V
V
IN
+ 7V (V
IN
= V
SW
)
150C
Power Dissipation(Note 2)
Lead Temperature
Vapor Phase (60 sec.)
Infrared (15 sec.)
ESD Susceptibility (Note 3)
Human Body Model
Machine Model
Internally Limited
300C
215C
220C
2kV
200V
Operating Conditions
Operating Junction
Temperature Range
(Note 4)
Storage Temperature
Supply Voltage
SW1 Voltage
SW2 Voltage
40C to +125C
65C to +150C
4V to 20V
20V
20V
Electrical Characteristics
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
= 5V and I
L
= 0A, unless otherwise specified.
Symbol
Parameter
Conditions
Min
(Note 4)
Typ
(Note 5)
2.8
4
9
1.26
1.8
3.6
Max
(Note 4)
3.5
4.5
15
1.285
Units
I
Q
Total Quiescent Current (both
switchers)
Not Switching
Switching, switch open
V
SHDN
= 0V
mA
mA
μA
V
A
A
V
BG
I
CL1
(Note 6) Buck Switch Current Limit
I
CL2
(Note 6) Boost Switch Current Limit
I
FB1
Buck FB Pin Bias Current
(Note 8)
I
FB2
Boost FB Pin Bias Current
(Note 8)
V
IN
Input Voltage Range
g
m1
Buck Error Amp
Transconductance
g
m2
Boost Error Amp
Transconductance
A
V1
Buck Error Amp Voltage Gain
A
V2
Boost Error Amp Voltage
Gain
D
MAX
Maximum Duty Cycle
F
SW
Switching Frequency
Bandgap Voltage
1.235
95% Duty Cycle (Note 7)
95% Duty Cycle (Note 7)
V
FB1
= 3.3V
65
75
μA
V
FB2
= 1.265V
27
55
nA
4
20
V
I = 20μA
1200
μmho
I = 5μA
175
μmho
100
V/V
135
V/V
90
250
500
5
5
95
300
600
98
350
700
5
5
5
%
kHz
kHz
μA
μA
μA
R
F
= 47.5k
R
F
= 22.6k
0V
<
V
SHDN1
<
7.5V
0V
<
V
SHDN2
<
7.5V
I
SHDN1
I
SHDN2
I
L1
I
L2
Buck Shutdown Pin Current
Boost Shutdown Pin Current
Buck Switch Leakage Current V
DS
= 20V
Boost Switch Leakage
Current
Buck Switch R
DSON
Boost Switch R
DSON
0.2
V
DS
= 20V
0.2
3
μA
R
DSON1
R
DSON2
160
120
m
m
L
www.national.com
5
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相關代理商/技術參數 |
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| LM2716MT | 制造商:Texas Instruments 功能描述:LCD BUCK, BOOSTER, 2716, TSSOP24 |
| LM2716MT/NOPB | 功能描述:IC REG BUCK BST FIX/ADJ 24-TSSOP RoHS:是 類別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - DC DC 開關穩(wěn)壓器 系列:- 產品培訓模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標準包裝:1 系列:- 類型:降壓（降壓） 輸出類型:固定 輸出數:1 輸出電壓:3.3V 輸入電壓:4.5 V ~ 24 V PWM 型:- 頻率 - 開關:- 電流 - 輸出:125mA 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:SOT-23-6 包裝:Digi-Reel® 供應商設備封裝:SOT-6 其它名稱:MAX1836EUT33#TG16DKR |
| LM2716MT-ADJ | 制造商:NSC 制造商全稱:National Semiconductor 功能描述:Dual (Step-up and Step-down) PWM DC/DC Converter |
| LM2716MTEV | 功能描述:電源管理IC開發(fā)工具 LM2716MT EVAL BOARD RoHS:否 制造商:Maxim Integrated 產品:Evaluation Kits 類型:Battery Management 工具用于評估:MAX17710GB 輸入電壓: 輸出電壓:1.8 V |
| LM2716MTX | 功能描述:DC/DC 開關控制器 RoHS:否 制造商:Texas Instruments 輸入電壓:6 V to 100 V 開關頻率: 輸出電壓:1.215 V to 80 V 輸出電流:3.5 A 輸出端數量:1 最大工作溫度:+ 125 C 安裝風格: 封裝 / 箱體:CPAK |
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