参数资料
型号: NCP1396BDR2G
厂商: ON Semiconductor
文件页数: 2/25页
文件大小: 0K
描述: IC REG CTRLR ISO PWM VM 16-SOIC
产品变化通告: Package Pin Removal 11/Feb/2008
标准包装: 1
PWM 型: 电压模式
输出数: 1
频率 - 最大: 575kHz
占空比: 52%
电源电压: 10.5 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: 16-SOIC(0.154",3.90mm 宽)15 引线
包装: 标准包装
其它名称: NCP1396BDR2GOSDKR
NCP1396A, NCP1396B
HV
FB
OVP
R17
R8
R24
R23
D4
U2A
U3A
1
2
3
U5
16
15
14
R20
C12
R10
M1
+
C6
L1
Vout
R7
Rt
4
5
6
7
12
11
10
D8
R21
R11
M2
D1
+
C2
R4
R5
FB
R12
R1
OVP
Fmax
Fast
Input
8
9
Slow Input
D9
C13
T1
D2
U2B
C4
U3B
C9
R19
C8
R9 R14
C10
R18
R13
R6
D3
C11
+
C7
R22
C14
D7
R16
C1
U1
R3
C3
R2
D6
Soft--
start
Timer
Skip
Selection
BO
DT
Figure 1. Typical Application Example
PIN FUNCTION DESCRIPTION
Pin No.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
Pin Name
CSS
Fmax
Ctimer
Rt
BO
FB
DT
Fast Fault
Slow Fault
GND
Mlower
V CC
--
HB
Mupper
Vboot
Function
Soft--start
Frequency clamp
Timer duration
Timing resistor
Brown--Out
Feedback
Dead--time
Quick fault detection
Slow fault detection
Analog ground
Low side output
Supplies the controller
--
Half--bridge connection
High side output
Bootstrap pin
Pin Description
Select the soft--start duration
A resistor sets the maximum frequency excursion
Sets the timer duration in presence of a fault
Connecting a resistor to this pin, sets the minimum oscillator frequency
reached for VFB = 1 V
Detects low input voltage conditions. When brought above Vlatch, it fully
latches off the controller.
Injecting current in this pin increases the oscillation frequency up to Fmax.
A simple resistor adjusts the dead--time width
Fast shut--down pin. Upon release, a clean startup sequence occurs. Can be
used for skip cycle purposes.
When asserted, the timer starts to countdown and shuts down the controller
at the end of its time duration.
--
Drives the lower side MOSFET
The controller accepts up to 20 V
--
Connects to the half--bridge output
Drives the higher side MOSFET
The floating V CC supply for the upper stage
http://onsemi.com
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