L6566B STMicroelectronics, L6566B Datasheet - Page 15

• Manufacturer Part Number: L6566B
• Description: IC CTRLR OVP OTP UVLO HV 16SOIC
• Manufacturer: STMicroelectronics

Specifications of L6566B

• Output Isolation: Isolated
• Frequency Range: 10 ~ 300kHz
• Voltage - Input: 8 ~ 23 V
• Power (watts): 750mW
• Operating Temperature: -40°C ~ 150°C
• Package / Case: 16-SOIC (0.154", 3.90mm Width)
• Output Current: 800 mA
• Output Power: 750 mW
• Input Voltage: 8 V to 23 V
• Operating Temperature Range: - 40 C to + 150 C
• Mounting Style: SMD/SMT
• Duty Cycle (max): 75 %
• Selectable Multi-mode Operation: fixed frequency or quasi-resonant
• For Use With: 497-6452 - BOARD EVAL FOR L6566B497-6451 - BOARD EVAL FOR L6566B497-6450 - BOARD EVAL FOR L6566B497-6449 - BOARD EVAL FOR L6566A
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

L6566B
Table 4.
Zero current detector/ overvoltage protection
Latched shutdown function
Thermal shutdown
External oscillator (frequency modulation)
Mode selection / slope compensation
T
T
MODE
Symbol
I
I
V
V
V
V
V
ZCDsnk
f
I
ZCDsrc
BLANK1
BLANK2
V
SC
SC
FMOD
FMOD
I
I
Hys
ZCDH
ZCDth
ZCDA
ZCDT
Vth
V
V
ZCDL
ZCD
OTP
OTP
---
pk
vy
pk
vy
th
Electrical characteristics (continued)
Upper clamp voltage
Lower clamp voltage
Arming voltage
Triggering voltage
Internal pull-up
Source current capability
Sink current capability
Turn-on inhibit time
OVP threshold
OVP strobe delay
Input bias current
Disable threshold
Shutdown threshold
Hysteresis
Oscillation frequency
Usable frequency range
Peak voltage
Valley voltage
Charge/discharge current
Threshold for QR operation
Ramp peak
(MODE/SC = open)
Ramp starting value
(MODE/SC = open)
Ramp voltage
(MODE/SC = open)
Source capability
(MODE/SC = open)
Parameter
I
I
(1)
(1)
V
V
V
V
After gate-drive going low
After gate-drive going low
V
(1)
C
(3)
R
pin high, V
R
GD pin high
GD pin low
V
ZCD
ZCD
COMP
ZCD
ZCD
ZCD
DIS
S-COMP
MOD
S-COMP
S-COMP
negative-going edge
positive-going edge
= 3 mA
= - 3 mA
= 0 to V
< 2 V, V
= V
= V
= 0.1 µF
< V
Test condition
ZCDH
= V
ZCDL
= 3 kΩ to GND, GD
= 3 kΩ to GND,
COMP
COMPSH
S-COMPpk
OTP
COMP
= 5 V
= V
COMPHI
-130
4.85
4.32
0.05
Min
600
5.4
0.8
85
30
-3
3
Electrical characteristics
-100
Typ
-0.4
160
100
750
150
5.7
2.5
4.5
1.5
0.5
1.7
0.3
50
50
5
2
3
0
Max
5.15
4.68
115
900
-70
70
15
-1
-1
6
15/51
Unit
kHz
mA
mA
mA
mV
mV
µA
µA
Hz
µA
µs
µs
°C
°C
V
V
V
V
V
V
V
V
V
V