参数资料
| 型号： | NCP4302BDR2G |
| 厂商： | ON Semiconductor |
| 文件页数： | 6/16页 |
| 文件大小： | 0K |
| 描述： | IC REG CTRLR FLYBK ISO PWM 8SOIC |
| 标准包装： | 1 |
| PWM 型： | 控制器 |
| 输出数： | 1 |
| 频率 - 最大： | 250kHz |
| 电源电压： | 9.2 V ~ 28 V |
| 降压： | 无 |
| 升压： | 无 |
| 回扫： | 是 |
| 反相： | 无 |
| 倍增器： | 无 |
| 除法器： | 无 |
| Cuk： | 无 |
| 隔离： | 是 |
| 工作温度： | -40°C ~ 125°C |
| 封装/外壳： | 8-SOIC（0.154"，3.90mm 宽） |
| 包装： | 剪切带 (CT) |
| 其它名称： | NCP4302BDR2GOSCT |
NCP4302
ELECTRICAL CHARACTERISTICS
(V CC = 19 V, Sync frequency = 100 kHz, V REF = V KA (I KA = 1 mA), R S = 75 ohms, V TRIG = GND, C DRV = 1 nF, R DLYADJ = 30.1 k,
V DLYADJ = 2.0 V, for typical values T J = 25 ° C, for min/max values T J = ? 40 ° C to +125 ° C, Max T J = 150 ° C, unless otherwise noted)
Rating
Test Conditions
Symbol
Min
Typ
Max
Unit
TRIGGER SECTION
Trigger Pulse Voltage for Gate
turn ? off
Propagation delay from TRIG to DRV
turn ? off
SYNC/CS = 0 to ? 0.5 V 100 kHz,
5 m s pulse, Trig ↑
C DRV = no ? load, SYNC/CS= ? 0.5 V
100 kHz, 5 m s pulse, Trig = 0 ? 5 V ↑
Vtrig
t p2
2.0
?
?
25
4.0
85
V
ns
TL431 CHARACTERISTICS
Reference input voltage
I KA = 5 mA, V KA = V REF
V REF
V
NCP4302A
T J = +25 ° C
T J = ? 40 ° C to +125 ° C
2.525
2.499
2.55
?
2.575
2.60
Reference input voltage
(I K = 5 mA, V KA = V REF )
V REF
V
NCP4302B
T J = +25 ° C
T J = ? 40 ° C to +125 ° C
1.262
1.249
1.275
?
1.288
1.301
Reference Input Current
Minimum CATH current for
regulation
Reference voltage line regulation
I KA = 10 mA
I SOURCE ↑ 0 to 1 mA
D V KA = V CCon ? 16 V, I KA = 1 mA
I Ref
I KA
V KA
?
?
?
0.0018
0.5
2.0
4.0
1.0
5.0
m A
mA
mV/V
+
D V REF
D V KA
Off ? State CATH Current
Dynamic impedance
The maximum sink current capability
V KA = 18 V, V REF = 0 V (test circuit 2,
V REF pin grounded)
V KA = V REF , D I KA = 1 mA to 10 mA
(I SOURCE ↑ 0 to 10 mA)
I Off
Z KA
Isinkmax
?
?
10
11
0.62
?
20
1.5
?
m A
W
mA
ADJUSTABLE TIME DELAY
The t on time delay
SYNC/CS = 0 to ? 0.5 V 100 kHz, 5 m s
pulse, Trig = 0 V
t on(delay)
1.0
1.4
1.8
m s
CD LYADJ internal = 10 pF
(Vs = 2.0 V, Rth = 30.1 k W )
The min and max t on(delay) range
* R2 = 190 k W , R3 = 57 k W
t on(range)
m s
(Note 3)
* R2 = 499 k W , R3 = 39 k W
(*See Figure 27)
0.45
?
?
?
?
2.0
The maximum and minimum input
voltage operating range.
The maximum capacitance from pin 5
to ground is 25 pF.
Vin DLYADJ
1.5
?
4.5
V
(Note 3)
The maximum and minimum input
operating current into the D LYADJ pin
Iin DLYADJ
9
?
200
m A
(Note 3)
The t off time delay
SYNC/CS = 0 to ? 0.5 V 100 kHz, 5 m s
pulse, Trig = 0 V
t off(delay)
2.8
3.8
4.8
m s
CD LYADJ internal = 10 pF
(Vs = 2.0 V, Rth = 30.1 k)
The min and max t off(delay) range
R2 = 66 k, R3 = 23.6 k
t off(range)
m s
(Note 3)
* R2 = 408 k, R3 = 32.4 k
(*See the schematic below)
0.8
?
?
?
?
4.6
3. Guaranteed by Design
http://onsemi.com
6
相关PDF资料 |
PDF描述 |
|---|---|
| NCP4326DR2G | IC SECONDARY CTLR SW PS 16-SOIC |
| NCP4330DR2G | IC DRIVER POST REGULATION 8-SOIC |
| NCP4331DR2G | IC REG CTRLR BUCK PWM 16-SOIC |
| NCP4350DR2G | IC SUPERVISOR DESKTOP PS 16-SOIC |
| NCP4523G3T1G | IC REG LDO CMOS 3CH FOR RF 8SSOP |
相关代理商/技术参数 |
参数描述 |
|---|---|
| NCP4303A | 制造商:ONSEMI 制造商全称:ON Semiconductor 功能描述:Secondary Side Synchronous Rectification Driver for High Efficiency SMPS Topologies |
| NCP4303ADR2G | 功能描述:初级与次级侧 PWM 控制器 SEC SIDE SYNC RECT DRV RoHS:否 制造商:ON Semiconductor 输出端数量:1 开关频率:250 KHz 工作电源电压:- 0.3 V to + 28 V 最大工作温度:+ 85 C 最小工作温度:- 5 C 封装 / 箱体:SOIC-8 Narrow 封装:Reel |
| NCP4303AMNTWG | 功能描述:IC CTLR/DVR SYNC RECT 8-DFN RoHS:是 类别:集成电路 (IC) >> PMIC - 电源控制器，监视器 系列:- 产品培训模块:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 标准包装:2,500 系列:- 应用:多相控制器 输入电压:- 电源电压:9 V ~ 14 V 电流 - 电源:- 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:40-WFQFN 裸露焊盘 供应商设备封装:40-TQFN-EP（5x5） 包装:带卷 (TR) |
| NCP4303B | 制造商:ONSEMI 制造商全称:ON Semiconductor 功能描述:Secondary Side Synchronous Rectification Driver for High Efficiency SMPS Topologies |
| NCP4303BDR2G | 功能描述:初级与次级侧 PWM 控制器 SEC SIDE SYNC RECT DRV RoHS:否 制造商:ON Semiconductor 输出端数量:1 开关频率:250 KHz 工作电源电压:- 0.3 V to + 28 V 最大工作温度:+ 85 C 最小工作温度:- 5 C 封装 / 箱体:SOIC-8 Narrow 封装:Reel |
发布紧急采购，3分钟左右您将得到回复。