參數(shù)資料
型號： LM5035AMH-1
廠商： NATIONAL SEMICONDUCTOR CORP
元件分類： 穩(wěn)壓器
英文描述： SWITCHING CONTROLLER, 2000 kHz SWITCHING FREQ-MAX, PDSO28
封裝： TSSOP-28
文件頁數(shù)： 29/30頁
文件大?。?/td> 585K
代理商： LM5035AMH-1
Symbol
Parameter
Conditions
Min
Typ
Max
Units
Soft-Start (SS Pin)
I
SS
Charging current in normal
operation
V
SS = 0
80
110
140
A
Charging current during a hiccup
mode restart
V
SS = 0
0.6
1.2
1.8
A
Soft-stop Current Sink
V
SS = 2.5V
80
110
140
A
Oscillator (RT Pin)
F
SW1
Frequency 1 (at HO, half oscillator
frequency)
R
RT = 15 k, TJ = 25°C
185
200
215
kHz
R
RT = 15 k, TJ = -40°C to 125°C
180
220
F
SW2
Frequency 2 (at HO, half oscillator
frequency)
R
RT = 5.49 k
430
500
570
kHz
DC level
2
V
Input Sync threshold
2.5
3
3.4
V
PWM Controller (Comp Pin)
Delay to output
80
ns
V
PWM-OS
SS to RAMP offset
0.7
1
1.2
V
Minimum duty cycle
SS = 0V
0
%
Small signal impedance
I
COMP = 600A, COMP current to PWM
voltage
5000
Main Output Drivers (HO and LO Pins)
Output high voltage
I
OUT = 50mA, VHB - VHO, VVCC - VLO
0.5
0.25
V
Output low voltage
I
OUT = 100 mA
0.2
0.5
V
Rise time
C
LOAD = 1 nF
15
ns
Fall time
C
LOAD = 1 nF
13
ns
Deadtime, HO to LO, LO to HO
V
DLY = VREF, ICOMP = 0mA
45
70
100
ns
Peak source current
V
HO,LO = 0V, VVCC = 10V
1.25
A
Peak sink current
V
HO,LO = 10V, VVCC = 10V
2
A
HB Threshold
V
CC rising
3.8
V
Voltage Feed-Forward (RAMP Pin)
RAMP comparator threshold
COMP current = 0
2.4
2.5
2.6
V
Synchronous Rectifier Drivers (SR1, SR2)
Output high voltage
I
OUT = 10mA, VVCC - VSR1, VVCC - VSR2
0.25
0.1
V
Output low voltage
I
OUT = 20 mA (sink)
0.08
0.2
V
Rise time
C
LOAD = 1 nF
40
ns
Fall time
C
LOAD = 1 nF
20
ns
Peak source current
V
SR = 0, VVCC = 10V
0.5
A
Peak sink current
V
SR = VVCC, VVCC = 10V
0.5
A
T1
Deadtime, SR1 falling to HO rising,
SR2 falling to LO rising
R
DLY = 10k
33
ns
R
DLY = 27.4k
68
86
120
ns
R
DLY = 100k
300
ns
T2
Deadtime, HO falling to SR1 rising,
LO falling to SR2 rising
R
DLY = 10k
18
ns
R
DLY = 27.4k
20
29
42
ns
R
DLY = 100k
80
ns
www.national.com
8
LM5035A/LM5035A-1
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參數(shù)描述
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: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: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 輸出類型:Digital 配置: 準(zhǔn)確性:+/- 1.5 C, +/- 3 C 溫度閾值: 數(shù)字輸出 - 總線接口: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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