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參數(shù)資料
| 型號(hào)： | LM5035AMH-1 |
| 廠(chǎng)商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分類(lèi)： | 穩(wěn)壓器 |
| 英文描述： | SWITCHING CONTROLLER, 2000 kHz SWITCHING FREQ-MAX, PDSO28 |
| 封裝： | TSSOP-28 |
| 文件頁(yè)數(shù)： | 28/30頁(yè) |
| 文件大?。?/td> | 585K |
| 代理商： | LM5035AMH-1 |
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Absolute Maximum Ratings (Note 1)
If Military/Aerospace specified devices are required,
please contact the National Semiconductor Sales Office/
Distributors for availability and specifications.
VIN to GND
-0.3V to 105V
HS to GND
-1V to 105V
HB to GND
-0.3V to 118V
HB to HS
-0.3V to 18V
VCC to GND
-0.3V to 16V
CS, RT, DLY to GND
-0.3V to 5.5V
COMP Input Current
10mA
All other inputs to GND
-0.3V to 7V
ESD Rating (Note 4)
Human Body Model
2kV
Storage Temperature Range
-65°C to 150°C
Junction Temperature
150°C
Operating Ratings (Note 1)
VIN Voltage
13V to 105V
External Voltage Applied to VCC
8V to 15V
Operating Junction Temperature
-40°C to +125°C
Electrical Characteristics Specifications with standard typeface are for T
J = 25°C, and those with boldface type
apply over full Operating Junction Temperature range. V
VIN = 48V, VVCC = 10V externally applied, RRT = 15.0 k, RDLY =
27.4k
, V
Symbol
Parameter
Conditions
Min
Typ
Max
Units
Startup Regulator (VCC pin)
V
VCC
VCC voltage
I
VCC = 10mA
7.3
7.6
7.9
V
I
VCC(LIM)
VCC current limit
V
VCC = 7V
25
35
mA
V
VCCUV
VCC Under-voltage threshold (VCC
increasing)
VIN = VCC,
ΔV
VCC from the regulation
setpoint
0.2
0.1
V
VCC decreasing
VCC – PGND
5.5
6.2
6.9
V
I
VIN
Startup regulator current
VIN = 90V, UVLO = 0V
30
70
A
Supply current into VCC from
external source
Outputs & COMP open, V
VCC = 10V,
Outputs Switching
4
6
mA
Voltage Reference Regulator (REF pin)
V
REF
REF Voltage
I
REF = 0mA
4.85
5
5.15
V
REF Voltage Regulation
I
REF = 0 to 10mA
25
50
mV
REF Current Limit
REF = 4.5V
15
20
mA
Under-Voltage Lock Out and shutdown (UVLO pin)
V
UVLO
Under-voltage threshold
1.212
1.25
1.288
V
I
UVLO
Hysteresis current
UVLO pin sinking
19
23
27
A
Under-voltage Shutdown Threshold UVLO voltage falling
0.3
V
Under-voltage Standby Enable
Threshold
UVLO voltage rising
0.4
V
Over-Voltage Protection (OVP pin)
V
OVP
Over-Voltage threshold
1.212
1.25
1.288
V
I
OVP
Hysteresis current
OVP pin sourcing
19
23
27
A
Current Sense Input (CS Pin)
V
CS
Current Limit Threshold
0.228
0.25
0.272
V
CS delay to output
CS from zero to 1V. Time for HO and LO
to fall to 90% of VCC. Output load = 0 pF.
80
ns
Leading edge blanking time at CS
50
ns
CS sink impedance (clocked)
Internal FET sink impedance
32
60
Current Limit Restart (RES Pin)
V
RES
RES Threshold
2.4
2.5
2.6
V
Charge source current
V
RES = 1.5V
16
22
28
A
Discharge sink current
V
RES = 1V
8
12
16
A
7
www.national.com
LM5035A/LM5035A-1
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| LM5035AMH-1/NOPB | 功能描述:電壓模式 PWM 控制器 100V Hb Pwm W/Driver RoHS:否 制造商:Texas Instruments 輸出端數(shù)量:1 拓?fù)浣Y(jié)構(gòu):Buck 輸出電壓:34 V 輸出電流: 開(kāi)關(guān)頻率: 工作電源電壓:4.5 V to 5.5 V 電源電流:600 uA 最大工作溫度:+ 125 C 最小工作溫度:- 40 C 封裝 / 箱體:WSON-8 封裝:Reel |
| LM5035AMHX | 制造商:NSC 制造商全稱(chēng):National Semiconductor 功能描述:PWM Controller with Integrated Half-Bridge and SyncFET PWM Controller with Integrated Half-Bridge and SyncFET |
| LM5035AMHX/NOPB | 功能描述:電壓模式 PWM 控制器 RoHS:否 制造商:Texas Instruments 輸出端數(shù)量:1 拓?fù)浣Y(jié)構(gòu):Buck 輸出電壓:34 V 輸出電流: 開(kāi)關(guān)頻率: 工作電源電壓:4.5 V to 5.5 V 電源電流:600 uA 最大工作溫度:+ 125 C 最小工作溫度:- 40 C 封裝 / 箱體:WSON-8 封裝:Reel |
| LM5035AMHX-1 | 制造商:NSC 制造商全稱(chēng):National Semiconductor 功能描述:PWM Controller with Integrated Half-Bridge and SyncFET PWM Controller with Integrated Half-Bridge and SyncFET |
| LM5035AMHX-1/NOPB | 功能描述:板上安裝溫度傳感器 RoHS:否 制造商:Omron Electronics 輸出類(lèi)型:Digital 配置: 準(zhǔn)確性:+/- 1.5 C, +/- 3 C 溫度閾值: 數(shù)字輸出 - 總線(xiàn)接口:2-Wire, I2C, SMBus 電源電壓-最大:5.5 V 電源電壓-最小:4.5 V 最大工作溫度:+ 50 C 最小工作溫度:0 C 關(guān)閉: 安裝風(fēng)格: 封裝 / 箱體: 設(shè)備功能:Temperature and Humidity Sensor |
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