Datasheet NCP4328 (ON Semiconductor) - 4
| 制造商 | ON Semiconductor |
| 描述 | Secondary Side Controller, Constant Voltage / Constant Current (CV / CC) |
| 页数 / 页 | 12 / 4 — NCP4328. ELECTRICAL CHARACTERISTICS. Parameter. Test Conditions. Symbol. … |
| 文件格式/大小 | PDF / 254 Kb |
| 文件语言 | 英语 |
NCP4328. ELECTRICAL CHARACTERISTICS. Parameter. Test Conditions. Symbol. Min. Typ. Max. Unit. VOLTAGE CONTROL LOOP OTA
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NCP4328 ELECTRICAL CHARACTERISTICS
−40°C ≤ TJ ≤ 125°C; VCC = 15 V; unless otherwise noted. Typical values are at TJ = +25°C.
Parameter Test Conditions Symbol Min Typ Max Unit
Maximum Operating Input Voltage VCC 36.0 V VCC rising 3.3 3.5 3.7 VCC UVLO VCCUVLO V VCC falling 2.3 2.5 2.7 VCC UVLO Hysteresis VCCUVLOHYS 0.8 1.0 V NCP4328A 105 130 Quiescent Current ICC mA NCP4328B 115 140
VOLTAGE CONTROL LOOP OTA
Transconductance Sink current only gmV 1 S 2.8 V ≤ VCC ≤ 36.0 V, TJ = 25°C 1.244 1.250 1.256 2.8 V ≤ V Reference Voltage CC ≤ 36.0 V, TJ = 0 − 85°C 1.240 1.250 1.264 VREF V 2.8 V ≤ VCC ≤ 36.0 V, 1.230 1.250 1.270 TJ = −40 − 125°C Sink Current Capability VFBC > 1.5 V ISINKV 2.5 mA Inverting Input Bias Current VSNS = VREF IBIASV −100 100 nA
CURRENT CONTROL LOOP OTA
Transconductance Sink current only gmC 3 S TJ = 25°C 61.2 62.5 63.8 Reference Voltage TJ = −20 – 85°C VREFC 60.5 62.5 64.5 mV TJ = −40 – 125°C 60.0 62.5 65.0 Sink Current Capability VFBC > 1.5 V ISINKC 2.5 mA Inverting Input Bias Current ISNS = VREFC IBIASC −100 100 nA
LED DRIVER (NCP4328B Only)
Switching Frequency fSWLED 1 kHz Duty Cycle (Note 3) DLED 10.0 12.5 15.0 % Switch Resistance ILED = 5 mA RSW 50 W Product parametric performance is indicated in the Electrical Characteristics for the listed test conditions, unless otherwise noted. Product performance may not be indicated by the Electrical Characteristics if operated under different conditions. 3. Guaranteed by design.
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NCP4328 ELECTRICAL CHARACTERISTICS
−40°C ≤ TJ ≤ 125°C; VCC = 15 V; unless otherwise noted. Typical values are at TJ = +25°C.
Parameter Test Conditions Symbol Min Typ Max Unit
Maximum Operating Input Voltage VCC 36.0 V VCC rising 3.3 3.5 3.7 VCC UVLO VCCUVLO V VCC falling 2.3 2.5 2.7 VCC UVLO Hysteresis VCCUVLOHYS 0.8 1.0 V NCP4328A 105 130 Quiescent Current ICC mA NCP4328B 115 140
VOLTAGE CONTROL LOOP OTA
Transconductance Sink current only gmV 1 S 2.8 V ≤ VCC ≤ 36.0 V, TJ = 25°C 1.244 1.250 1.256 2.8 V ≤ V Reference Voltage CC ≤ 36.0 V, TJ = 0 − 85°C 1.240 1.250 1.264 VREF V 2.8 V ≤ VCC ≤ 36.0 V, 1.230 1.250 1.270 TJ = −40 − 125°C Sink Current Capability VFBC > 1.5 V ISINKV 2.5 mA Inverting Input Bias Current VSNS = VREF IBIASV −100 100 nA
CURRENT CONTROL LOOP OTA
Transconductance Sink current only gmC 3 S TJ = 25°C 61.2 62.5 63.8 Reference Voltage TJ = −20 – 85°C VREFC 60.5 62.5 64.5 mV TJ = −40 – 125°C 60.0 62.5 65.0 Sink Current Capability VFBC > 1.5 V ISINKC 2.5 mA Inverting Input Bias Current ISNS = VREFC IBIASC −100 100 nA
LED DRIVER (NCP4328B Only)
Switching Frequency fSWLED 1 kHz Duty Cycle (Note 3) DLED 10.0 12.5 15.0 % Switch Resistance ILED = 5 mA RSW 50 W Product parametric performance is indicated in the Electrical Characteristics for the listed test conditions, unless otherwise noted. Product performance may not be indicated by the Electrical Characteristics if operated under different conditions. 3. Guaranteed by design.
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