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STR-X6756 の電気的特性と機能

STR-X6756のメーカーはSankenです、この部品の機能は「Power IC for Quasi-Resonant Type Switching Power Supply」です。


製品の詳細 ( Datasheet PDF )

部品番号 STR-X6756
部品説明 Power IC for Quasi-Resonant Type Switching Power Supply
メーカ Sanken
ロゴ Sanken ロゴ 




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STR-X6756 Datasheet, STR-X6756 PDF,ピン配置, 機能
Power IC for Quasi-Resonant Type Switching Power Supply
with High Efficiency and Low Noise in Full Load Range
STR-X6756
Sep. 2013
General description
The STR- X6756 is power IC for quasi-resonant type
switching power supply, incorporating a power MOSFET
and a controller IC. The product achieves high efficiency
and low noise power supply systems by the quasi-resonant
operation and the bottom-skip quasi-resonant operation.
Features
Multi operation mode
The operation mode switching according to load
conditions achieves the optimal high efficiency and low
noise power supply systems across the full load range.
Current mode control
Built-in PWM oscillator
The PWM operates with the minimum frequency of
around 22kHz, until the quasi-resonant signal becomes
valid, reduces the stress on components at startup and
load-shorted.
Built-in soft start function
Step-drive function, reducing switching noise
Input compensation at overcurrent
The function reduces the distortion of overcurrent
operation point to AC input voltage change by adding
three components.
Avalanche energy guaranteed by two chips structure
(Simplification of surge absorbing circuit)
Protection functions
Overcurrent protection (OCP); Pulse-by-pulse
Overload protection (OLP); latched shutdown
Overvoltage protection (OVP); latched shutdown
Package
Package name: TO-3PF-7L
Specification
MOSFET
650V(MIN), 0.73Ω(MAX)
Application
Switching power supplies for
LCD-TVs, PDP-TVs, CRT-TVs and Digital consumer
equipment
Home appliances
OA equipments
Industry machines
Communication devices
Typical application circuit
STR-X6700
D
1
VCC
4
2
S
ROCP
Cont.
37
GND
OCP
/BD
6
FB
5
SS
/OLP
RX
CX
P
S1
ErrAmp
+B
D
S2
RSeIg
RegE:rrSAamnpkSeAnNKliEnNe aSrE reSegruieslator IC, etc.
SISANKEN Linear Regulator IC
GND
Standby
ON/OFF
LowB
Standby
Out
GND
Sanken Electric Co., Ltd.
1/11

1 Page





STR-X6756 pdf, ピン配列
Power IC for Quasi-Resonant Type Switching Power Supply
with High Efficiency and Low Noise in Full Load Range
STR-X6756
Sep. 2013
Electrical characteristics
Electrical characteristics for control part
The polarity value for current specifies a sink as "+," and a source as "−," referencing the IC.
Unless otherwise specified, TA = 25 °C, VCC = 20V
Item Pin
Power supply Start-up Operation
Operation start power supply voltage
4−3
Operation stop power supply voltage
4−3
Circuit current in operation
4−3
Circuit current in non-operation
4−3
Oscillation frequency
1−2
Soft start operating stop voltage
5−3
Soft start operating charging current
5−3
Normal Operation
Bottom-skip operation threshold
voltage 1
Bottom-skip operation threshold
voltage 2
Overcurrent detection threshold
voltage
7−3
7−3
7−3
OCP/BD pin source current
7−3
Quasi-resonant operation threshold
voltage 1
Quasi-resonant operation threshold
voltage 2
7−3
7−3
FB pin threshold voltage
6−3
FB pin sink current (Normal operation)
6−3
Stand-by Operation
Stand-by operation start voltage
4−3
Stand-by operation start voltage
interval
Stand-by non-operation circuit current
4−3
4−3
FB pin sink current (stand-by
operation)
FB pin threshold voltage (stand-by
operation)
Minimum ON time
6−3
6−3
1−2
Protection Operation
Maximum ON time
1−2
OLP operation threshold voltage
5−3
Charge current in OLP operation
5−3
OVP operation power supply voltage
4−3
Latch circuit holding current *
4−3
Latch circuit releasing power supply
voltage *
4−3
*Latch circuit refers to operation during OVP and OLP.
Symbol
VCC(ON)
VCC(OFF)
ICC(ON)
ICC(OFF)
fOSC
VSSOLP(SS)
ISSOLP(SS)
VOCPBD(BS1)
VOCPBD(BS2)
VOCPBD(LIM)
IOCPBD
VOCPBD(TH1)
VOCPBD(TH2)
VFB(OFF)
IFB(ON)
VCC(S)
VCC(SK)
ICC(S)
IFB(S)
VFB(S)
tON(MIN)
tON(MAX)
VSSOLP(OLP)
ISSOLP(OLP)
VCC(OVP)
ICC(H)
VCC(La.OFF)
Ratings
MIN TYP MAX
Unit
16.3
8.8
19
1.1
710
18.2
9.7
22
1.2
550
19.9
10.6
6
100
25
1.4
390
V
V
mA
µA
kHz
V
µA
0.720 0.665 0.605 V
0.485 0.435 0.385 V
0.995 0.940 0.895 V
250 100 40 µA
0.28 0.40 0.52 V
0.67 0.80 0.93 V
1.32 1.45 1.58 V
600 1000 1400 µA
10.3 11.2 12.1 V
1.10 1.35 1.65 V
20 56 µA
4 14 µA
0.55 1.10 1.50 V
0.65 1.00 1.35 µs
27.5 32.5 39.0 µs
4.0 4.9 5.8 V
16 11 6 µA
25.5 27.7 29.9 V
45 140 µA
6.0 7.2 8.5 V
Remark
Sanken Electric Co., Ltd.
3/11


3Pages


STR-X6756 電子部品, 半導体
Power IC for Quasi-Resonant Type Switching Power Supply
with High Efficiency and Low Noise in Full Load Range
STR-X6756
Sep. 2013
Sanken Electric Co., Ltd.
6/11

6 Page



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共有リンク

Link :


部品番号部品説明メーカ
STR-X6750

Off-Line Quasi-Resonant Switching Regulators

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Sanken
STR-X6750F

Power IC for Quasi-Resonant Type Switching Power Supply

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STR-X6756

Power IC for Quasi-Resonant Type Switching Power Supply

Sanken
Sanken
STR-X6757

Off-Line Quasi-Resonant Switching Regulators

Sanken
Sanken


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