Diodes AP3586A/B/C Manual de usuario descargar pdf (Pagina 7)

Data sheet

Single Phase Synchronous Buck PWM Controller AP3586A/B/C

Mar. 2012 Rev. 1. 1 BCD Semiconductor Manufacturing Limited

Electrical Characteristics (Continued)

=12V, T

=25ºC, unless otherwise specified.

Parameter Symbol Conditions Min Typ Max Unit

Minimum Duty Cycle 0 %

Maximum Duty Cycle 75 82 89 %

REFERENCE VOLTAGE

AP3586A 0.591 0.6 0.609 V

Feedback Voltage V

AP3586B/C 0.788 0.8 0.812 V

Feedback Bias Current I

=5V 10 50 nA

PROTECTION

Under Voltage Protection V

FB_UVP

0.3 0.4 0.5 V

Over Voltage Protection V

FB_OVP

1.1 V

OC Current Source I

OPS

19.5 21.5 23.5

µA

Built-in Maximum OCP

Voltage

OCP_MAX

0.3 V

AP3586A 2

AP3586B 2.7

Soft-start Interval t

AP3586C 3.6

Enable Threshold V

COMP/EN

0.25 0.30 0.35 V

Thermal Shutdown T

OTSD

160 ºC

Thermal Shutdown

Hysteresis

HYS

20 ºC

1 2 3 4 5 6 7 8 9 10 11 12 ... 16 17

Electrical Characteristics 6
Switching Frequency (kHz) 8
Input Voltage (V) 8
Time 2ms/div 9
Time 1ms/div 9
Typical Application 11
Function Description 12
OCSETOCSET 13
3.202(0.126) 16
3.402(0.134) 16

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Diodes AP3586A/B/C Manual de usuario Pagina 7

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