(China (Mainland))
Product Summary
The HA17385PS is a current mode PWM control swittching regulator IC. The HA17385PS is suitable for primary control system and the standby current are as small as 500μA max. The IC enables the regulator set size to miniaturize and to improve power efficiency of these sets. The HA17385PS is able to drive the power MOSFET directly and has higher switching frequency of up to 500KHz max.
Parametrics
HA17385PS absolute maximum ratings: (1)Power Supply Voltage, ViN: + 40V; (2)Collector Current, DC, todc: push pull 0.3 A; Peak, lopeak: push pull 1.5A; (3)Error Input Voltage, Ve: -0.3 to + 6.3V; (4)Comparator Input Voltage, VC: -0.3 to + 6.3V; (5)Error Amp Output Current, IE: 10mA; (6)Power Dissipation, Pt: 830mW; (7)Operation Temperature Range, Topr: -20 to +85℃; (8)Storage Temperature Range, Tstg: -55 to +125℃.
Features
HA17385PS features: (1)High speed switching, tr=50nsec typ.(at 15V swing); tf=50nsec typ.(at 15V swing); (2)Low power dissipation, 500μA max in standby stste; 17mA max in active state (at VIN=15V); (3)Under voltage lockout protection, High threshold voltage: 10V; Low threshold voltage: 8V; (4)Drive the power MOSFET directly: output peak current 1.5A max; (5)Output double pulse protection with a 1 pulse latched overcurrent protection circuit.
Diagrams
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