L6590D STMicroelectronics, L6590D Datasheet - Page 16

• Manufacturer Part Number: L6590D
• Description: IC SWIT OVP OCP 16SOIC
• Manufacturer: STMicroelectronics

Specifications of L6590D

• Output Isolation: Isolated
• Frequency Range: 52 ~ 74kHz
• Voltage - Input: 6.5 ~ 18 V
• Voltage - Output: 700V
• Power (watts): 15W
• Operating Temperature: -40°C ~ 150°C
• Package / Case: 16-SOIC (0.300", 7.50mm Width)
• Operating Temperature Range: - 40 C to + 150 C
• Mounting Style: SMD/SMT
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

L6590
Figure 34. Standby Function timing diagram
Brownout Protection (L6590D only)
Brownout Protection is basically a not-latched device shutdown functionality. It will typically be used to detect a
mains undervoltage (brownout). This condition may cause overheating of the primary power section due to an
excess of RMS current.
Figure 35. Brownout Protection Function internal schematic and timing diagram
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HV Input bus
BOK
50 µA
6.4 V
2.5 V
(before filter)
STANDBY
STANDBY
+
-
(filtered)
Primary
Current
Peak
Vcc
Vout
Pout
f
sw
VinOK
L6590D
65 kHz
80 mA
HV Input bus
2 ms
small glitch
22 kHz
VinOK
PWM
Vout
V
V
Vcc
OFF
190 mA
regulation
ON
Load
1 ms