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SO16N Datasheet(PDF) 14 Page - STMicroelectronics

Part # SO16N
Description  Multimode controller for SMPS
PDF  51 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

SO16N Datasheet(HTML) 14 Page - STMicroelectronics

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Electrical characteristics
L6566BH
14/51
Doc ID 16610 Rev 2
VCOMPLO
Lower clamp voltage
ISOURCE = -1 mA
2.0
V
VCOMPSH
Linear dynamics upper limit
(1) V
VFF = 0 V
4.855.2
V
ICOMP
Max. source current
VCOMP = 3.3 V
320
400
480
µA
RCOMP
Dynamic resistance
VCOMP = 2.6 to 4.8 V
25
k
Ω
VCOMPBM
Burst-mode threshold
(1)
2.52
2.65
2.78
V
(1) MODE/SC = open
2.7
2.85
3
Hys
Burst-mode hysteresis
20
mV
ICLAMPL
Lower clamp capability
VCOMP = 2 V
-3.5
-1.5
mA
VCOMPOFF Disable threshold
Voltage falling
1.4
V
VCOMPO
Level for lower UVLO OFF
threshold (voltage falling)
(4)
2.61
2.75
2.89
V
(4) MODE/SC = open
3.02
3.15
3.28
VCOMPL
Level for higher UVLO OFF
threshold (voltage rising)
(4)
2.93.053.2
V
(4) MODE/SC = open
3.41
3.55
3.69
Zero-current detector/overvoltage protection
VZCDH
Upper clamp voltage
IZCD = 3 mA
5.4
5.7
6
V
VZCDL
Lower clamp voltage
IZCD = - 3 mA
-0.4
V
VZCDA
Arming voltage
(1) Positive-going edge
85
100
115
mV
VZCDT
Triggering voltage
(1) Negative-going edge
30
50
70
mV
IZCD
Internal pull-up
VCOMP < VCOMPSH
-1
µA
VZCD < 2 V, VCOMP = VCOMPHI
-130
-100
-70
IZCDsrc
Source current capability
VZCD = VZCDL
-3
mA
IZCDsnk
Sink current capability
VZCD = VZCDH
3mA
TBLANK1
Turn-on inhibit time
After gate-drive going low
2.5
µs
VZCDth
OVP threshold
4.85
5
5.15
V
TBLANK2
OVP strobe delay
After gate-drive going low
2
µs
Latched shutdown function
IOTP
Input bias current
VDIS = 0 to VOTP
-1
µA
VOTP
Disable threshold
(1)
4.32
4.5
4.68
V
Thermal shutdown
Vth
Shutdown threshold
160
° C
Hys
Hysteresis
50
° C
External oscillator (frequency modulation)
fFMOD
Oscillation frequency
CMOD = 0.1 µF
600
750
900
Hz
---
Usable frequency range
0.05
15
kHz
Table 4.
Electrical characteristics (continued)
Symbol
Parameter
Test condition
Min.
Typ.
Max.
Unit



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