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参数资料
| 型号： | CS5124XDR8 |
| 厂商： | ON SEMICONDUCTOR |
| 元件分类： | 稳压器 |
| 英文描述： | 1.5 A SWITCHING CONTROLLER, 440 kHz SWITCHING FREQ-MAX, PDSO8 |
| 封装： | SOIC-8 |
| 文件页数： | 6/11页 |
| 文件大小： | 168K |
| 代理商： | CS5124XDR8 |
CS5124
http://onsemi.com
4
ELECTRICAL CHARACTERISTICS (continued) (40°C ≤ TJ ≤ 125°C; 40°C ≤ TA ≤ 105°C, 7.60 V ≤ VCC ≤ 20 V, UVLO = 3.0 V,
ISENSE = 0 V, CV(CC) = 0.33 mF, CGATE = 1.0 nF (ESR = 10 W); CSS = 470 pF; CV(FB) = 100 pF, unless otherwise specified.)
Characteristic
Unit
Max
Typ
Min
Test Conditions
SoftStart
SoftStart Charge Current
7.0
10
13
mA
SoftStart Discharge Current
0.5
10.0
mA
VSS Voltage when VFB Begins to
Rise
VFB = 300 mV
1.40
1.62
1.80
V
Peak SoftStart Charge Voltage
4.7
4.9
V
Valley SoftStart Discharge Voltage
200
275
400
mV
Current Sense
First Current Sense Threshold
At max duty cycle
170
195
215
mV
Second Current Sense Threshold
250
275
315
mV
ISENSE to GATE Prop. Delay
0 to 700 mV pulse into ISENSE (after blanking time)
60
90
130
ns
Leading Edge Blanking Time
0 to 400 mV pulse into ISENSE
90
130
180
ns
Internal Offset
Note 3
60
mV
Voltage Feedback
VFB Pullup Res.
2.9
4.3
8.1
kW
VFB Clamp Voltage
2.63
2.90
3.15
V
VFB Fault Voltage Threshold
460
490
520
mV
Output Gate Drive
Maximum Sleep Pulldown Voltage
VCC = 6.0 V, IOUT = 1.0 mA
1.2
2.0
V
GATE High (AC)
Series resistance < 1.0 W, (Note 3)
VCC 1.0 VCC 0.5
V
GATE Low (AC)
Series resistance < 1.0 W, (Note 3)
0.0
0.5
V
GATE High Clamp Voltage
VCC = 20 V
11.0
13.5
16.0
V
Rise Time
Measure GATE rise time,
1.0 V < GATE < 9.0 V VCC = 12 V
45
65
ns
Fall TIme
Measure GATE fall time,
9.0 V > GATE > 1.0 V VCC = 12 V
25
55
ns
Thermal Shutdown
Thermal Shutdown Temperature
(Note 3) GATE low
135
150
165
°C
Thermal Enable Temperature
(Note 3) GATE switching
100
125
150
°C
Thermal Hysteresis
(Note 3)
15
25
35
°C
3. Not tested in production. Specification is guaranteed by design.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| CS5124XDR8G | 功能描述:电流型 PWM 控制器 Hi Performance Current Mode PWM RoHS:否 制造商:Texas Instruments 开关频率:27 KHz 上升时间: 下降时间: 工作电源电压:6 V to 15 V 工作电源电流:1.5 mA 输出端数量:1 最大工作温度:+ 105 C 安装风格:SMD/SMT 封装 / 箱体:TSSOP-14 |
| CS5126-KL | 制造商:Rochester Electronics LLC 功能描述: 制造商:Cirrus Logic 功能描述: |
| CS5126-KLZ | 制造商:Rochester Electronics LLC 功能描述: 制造商:Cirrus Logic 功能描述: |
| CS5126-KP | 制造商:Rochester Electronics LLC 功能描述:2-CH 16-BIT SUCCESSIVE APPROXIMATION ADC, - Bulk |
| CS5126XDR8 | 功能描述:IC REG CTRLR FLYBK ISO PWM 8SOIC RoHS:否 类别:集成电路 (IC) >> PMIC - 稳压器 - DC DC 切换控制器 系列:- 标准包装:4,000 系列:- PWM 型:电压模式 输出数:1 频率 - 最大:1.5MHz 占空比:66.7% 电源电压:4.75 V ~ 5.25 V 降压:是 升压:无 回扫:无 反相:无 倍增器:无 除法器:无 Cuk:无 隔离:无 工作温度:-40°C ~ 85°C 封装/外壳:40-VFQFN 裸露焊盘 包装:带卷 (TR) |
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