123
456
YW P 1
2
3
4
TOP MARK YYWWPP
台灯选择O U T
V C C
N C
C S
装饰英文37R pp
Absolute Maximum Ratings
Supply Voltage VCC -0.3V ~29V
COMP, BNO, CS -0.3V ~6V
OUT -0.3V ~Vcc+0.3V
连锁门店运营管理
Maximum Junction Temperature 150°C
Operating Ambient Temperature -20°C to 85°C
Operating Junction Temperature -40°C to 125°C
Storage Temperature Range -65°C to 150°C
Package Thermal Resistance (SOT-26,θJA) 250°C/W
Package Thermal Resistance (DIP-8,θJA) 100°C/W
Power Dissipation (SOT-26) 250mW
Power Dissipation (DIP-8) 650mW
Lead temperature (Soldering, 10c) 260°C
秋天不回来ESD Voltage Protection, Human Body Model 2.5 KV
ESD Voltage Protection, Machine Model 250 V
Gate Output Current 300mA
Caution:
Stress beyond the ratings specified in “Absolute Maximum Ratings” may cau permanent damage to the device. This is a stress only rating and operation of the device at the or any other conditions above tho indicated in the operational ctions of this specification is not implied.
Recommended Operating Conditions
Unit
Max.
Item Min.
Supply Voltage Vcc 10 24 V
Start-up resistor Value 540K 1.8M Ω
Electrical Characteristics
(T A = +25°C unless otherwi stated, V CC =15.0V)
PARAMETER CONDITIONS MIN TYP MAX UNITS
Supply Voltage (Vcc Pin) Startup Current
12
20
μA
V COMP =0V 1.0 mA
V COMP =
3V 2.0 mA OLP Tripped/ Auto 0.47 mA Operating Current (with 1nF load on OUT pin)
OVP Tripped/ Auto
0.47 mA UVLO (off) 7.5 8.5 9.5 V UVLO (on) 15 16 17 V OVP Level
25
26
27嘀哩哩
开心得什么填空
V
Voltage Feedback (Comp Pin) Short Circuit Current V COMP =0V 0.25 mA Open Loop Voltage
COMP pin open 5.4 V Green Mode Threshold VCOMP
春联儿2.4
V
Zero Duty Threshold VCOMP 1.5 V Zero Duty Hysteresis
100
mV
Current Sensing (CS Pin) Maximum Input Voltage, V CS_OFF 0.8 0.85 0.9 V Leading Edge Blanking Time
230
ns
Internal Slope Compensation 0% to D MAX . (Linearly increa) 300 mV Input impedance 1 M Ω Delay to Output
100
ns
Oscillator for Switching Frequency Frequency, FREQ
60 65 70 kHz Green Mode Frequency, FREQG 22 kHz Trembling Frequency
两只鸟
± 4.0
kHz
Temp. Stability (-20°C ~85°C) 5 % Voltage Stability
(VCC=11V-25V)
1
%
Gate Drive Output (OUT Pin) Output Low Level VCC=15V, Io=20mA 1 V Output High Level VCC=15V, Io=20mA 8 V Rising Time Load Capacitance=1000pF -- 170 350 ns Falling Time
Load Capacitance=1000pF 50 100 ns Output High Clamp Level VCC=20V 16 V Max. Duty
75
%
