Datasheet AP3917D (Diodes) - 4

ManufacturerDiodes
DescriptionUniversal AC High Voltage Step Down Power Switcher
Pages / Page12 / 4 — AP3917D. Electrical Characteristics. Symbol. Parameter. Condition. Min. …
File Format / SizePDF / 587 Kb
Document LanguageEnglish

AP3917D. Electrical Characteristics. Symbol. Parameter. Condition. Min. Typ. Max. Unit. HV Startup Current Source. BP Voltage Management

AP3917D Electrical Characteristics Symbol Parameter Condition Min Typ Max Unit HV Startup Current Source BP Voltage Management

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AP3917D Electrical Characteristics
(VBP = 8.2V, -40C <TA<+125C, unless otherwise specified.)
Symbol Parameter Condition Min Typ Max Unit HV Startup Current Source
IHV HV Supply Current VBP = 7V, VDRAIN = 100V — 3.5 — mA VBP= 8.7V; ILEAK Leakage Current of Drain VDRAIN = 400V, — 10 12 µA TA = +25°C
V BP Voltage Management T
V V BP Increasing Level at which HV Supply is BP_HVOFF — 8.1 8.5 8.8 V
C
OFF
U
V V BP Decreasing Level at which HV Supply is — BP_HVON 7.8 8.2 8.6 V
D
ON
O
VBP_HYS VBP Hysteresis (VBP_HVOFF -VBP_HVON) — — 280 — mV
R
VBP_UVLO VBP Minimum Operating Voltage TA = +25°C — 6.5 — V
P
VBP_RESTART VBP Restart Voltage — — 4.5 — V
W
V VBP = 8.5V, f = 37kHz,
E
I BP Operating Current with MOSFET BP1 — — 350 µA Switching D = 40%, TA = +25°C
N
IBP2 VBP Quiescent Current with No Switching TA = +25°C — 110 200 µA IBP_LATCH VBP Latch Off-Current VBP = 8.8V, TA = +25°C — 26 — µA
Internal MOSFET
VDS Breakdown Voltage (Note 6) TA = +25°C 700 — — V TA = +25°C — — 10.5 RDS(ON) ON Resistance Ω TA = +125°C — — 30
Internal Current Sense
IPK_MAX Maximum Peak Current TA = +25°C 413 500 600 mA tLEB1 Leading-Edge Blanking TA = +25°C — 250 400 ns ISCP Current Set Point for Short Circuit Protection TA = +25°C — 800 — mA Leading-Edge Blanking for Short Circuit tLEB2 T Protection A = +25° C — 200 — ns
Feedback Input (FB Pin)
tMINOFF Minimum Off-Time TA = +25°C 10.5 15.5 18.5 µs Feedback Voltage for MOSFET Switch-On VFB — 2.4 2.5 2.6 V Threshold Feedback Voltage for Over Load Protection VFB_OLP — 1.56 1.7 1.84 V Trigger Threshold tOLP Over Load Protection Delay Time f = 36kHz — 170 — ms VOLD Open-Loop Detection Voltage TA = +25°C — 60 — mV tOLD Open-Loop Detection Blanking Time f = 15kHz, TA = +25°C — 4.3 — ms
Over Temperature Protection
TOTP Thermal Shutdown Threshold — +135 +150 +165 °C Note: 6. The drain-source voltage is 80% of VDS in the aging condition.. AP3917D 4 of 12 June 2019 Document number: DS41540 Rev. 4 - 2
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