参数资料
型号: NCP1337DR2G
厂商: ON Semiconductor
文件页数: 6/15页
文件大小: 0K
描述: IC REG CTRLR FLYBK ISO PWM 7SOIC
标准包装: 1
PWM 型: 电流模式
输出数: 1
频率 - 最大: 130kHz
电源电压: 11 V ~ 20 V
降压:
升压:
回扫:
反相:
倍增器:
除法器:
Cuk:
隔离:
工作温度: -40°C ~ 125°C
封装/外壳: 8-SOIC(0.154",3.90mm 宽)7 引线
包装: 标准包装
其它名称: NCP1337DR2GOSDKR
NCP1337
ELECTRICAL CHARACTERISTICS (continued) (For typical values T J = 25 ° C, for min/max values T J = 0 ° C to +125 ° C,
Max T J = 150 ° C, V CC = 11 V, unless otherwise noted.)
Characteristic
Pin
Symbol
Min
Typ
Max
Unit
FEEDBACK SECTION
FB Current under which FAULT is Detected
FB Current for which Internal Setpoint is 100%
FB Current above which DRV Pulses are Stopped
FB Current under which DRV Pulses are Reauthorized after having
reached I FBrippleIN
FB Current above which FB Pin Voltage is not Regulated anymore
FB Pin Voltage when I FBopen < I FB < I FBregMax
Duration before Entering Protection Mode after FAULT Detection
Internal Soft ? Start Duration (Up to V CSLimit )
Internal Soft ? Skip Duration (Up to V CSLimit )
2
2
2
2
2
2
?
?
?
I FBopen
I FB100%
I FBrippleIN
I FBrippleOUT
I FBregMax
V FB
T FAULT
T SS
T SSkip
?
?
?
?
?
2.8
?
?
?
40
50
220
205
500
3.0
80
4.0
300
?
?
?
?
?
3.2
?
?
?
m A
m A
m A
m A
m A
V
ms
ms
m s
BROWN ? OUT AND LATCH SECTION
Brown ? Out Detection Level
Current Flowing out of Pin 1 when Brown ? Out Comparator has Toggled
Vpin1 Threshold that Disables the Output
Vpin1 Threshold that Activates the Permanent Latch
1
1
1
1
V BO
I BO
V DISABLE
V LATCH
460
?
2.8
4.75
500
10
3.0
5.0
540
?
3.3
5.25
mV
m A
V
V
DEMAGNETIZATION DETECTION BLOCK
Current Threshold for Demagnetization Detection
Max Voltage on DRV Pin During OFF Time after T BLANK
(when Sinking 15 mA)
Min Voltage on DRV Pin During OFF Time after T BLANK
(when Sourcing 15 mA)
Propagation Delay from Demag Detection to Gate ON State
(I GATE Slope of 500 A/s)
Blanking Window after Gate OFF State before Detecting
Demagnetization
Timeout on Demag Signal
Maximum OFF Time
Minimum Switching Period
5
5
5
5
5
5
5
5
I SOXYth
V DRVlowMAX
V DRVlowMIN
T DMG
T BLANK
T OUT
MaxT OFF
MinPeriod
?
?
? 0.6
?
?
?
?
6.8
210
?
?
180
5.5
8.0
35
7.7
?
1.5
?
220
?
?
42
8.5
m A
V
V
ns
m s
m s
m s
m s
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