RDK-239 Power Integrations, Inc., RDK-239 Datasheet - Page 21

• Manufacturer Part Number: RDK-239
• Description: Specifications: Family: Eval Boards - DC/DC & AC/DC (Off-Line) SMPS ; Series: HiperLCS™ ; Main Purpose: DC/DC, Step Down ; Outputs and Type: 1, Isolated ; Power - Output: 150W ; Voltage - Output: 24V ; Current - Output: 6.25A ; Voltage - Input:
• Manufacturer: Power Integrations, Inc.

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VCCH Supply Undervoltage Lockout
VCCH Start Threshold
VCCH Shutdown
Threshold
VCCH Start-Up/
Shutdown Hysteresis
High-Voltage Supply Undervoltage/Overvoltage Enable
OV/UV Overvoltage
Shutdown Threshold
OV/UV Overvoltage
Recovery Threshold
OV/UV Undervoltage
Start Threshold
OV/UV Undervoltage
Shutdown Threshold
OV/UV Pin
Input Resistance
Reference
Reference Voltage
Current Source
Capability of VREF Pin
V
LLC Oscillator
Frequency Range
Accuracy of Minimum
Frequency Limit
Accuracy of Maximum
Frequency Limit
Duty Balance
Dead-Time
DT/BF Control
Current Range
I
LLC Switching
FB
REF
Threshold to Stop
Capacitance
Parameter
B
V
Symbol
V
F
V
UVLO(H)HYST
R
F
F
F
V
V
MAX(ACC)
I
I
I
UVLO(H+)
V
V
MIN(ACC)
UVLO(H-)
MIN(ACL)
I
IN(OVUV)
V
C
D
STOP1
STOP2
STOP3
RANGE
DT/BF
I
OV(H)
SD(H)
REF
OV(L)
SD(L)
t
REF
REF
LLC
D
Driver exits UVLO state when V
form, C
Driver enters UVLO state when V
Required external coupling on VREF pin
Duty symmetry of the half-bridge wave-
Threshold applies after exiting soft-start
Threshold applies after exiting soft-start
Threshold applies after exiting soft-start
Undervoltage de-assertion threshold
Overvoltage de-assertion threshold
SOURCE = 0 V; T
Undervoltage assertion threshold
Overvoltage assertion threshold
R
R
(Unless Otherwise Specified)
R
FB
FB
FMAX
I
mode for burst setting BT1
mode for burst setting BT2
mode for burst setting BT3
OV/UV pin resistance to G
FB
FB
Use recommended layout
= 4.7 nF, C
= 37.9 kW to V
V
= 154 kW to V
= I
CC
= 7 kW, R
DT/BF
= 12 V, V
below UVLOH-
F
Conditions
MAX
I
REF
UVLOH+
, R
= 510 kHz
= 4 mA
FMAX
DT/BF
BURST
J
CCH
= 12.5 kW,
= 0 to 100 °C
REF
= 4.7 nF, 250 kHz.
REF
= 12 V
= 39.6 kW
, 180 kHz
, 50 kHz
CCH
CCH
exceeds
falls
Min
0.65
2.35
3.25
-5.0
-7.5
-7.5
129
124
8.2
7.4
3.0
77
25
49
30
1
0.75
2.40
3.40
49.8
43.9
37.1
Typ
131
126
330
8.5
7.5
5.0
79
LCS700-708
Max
1000
1.00
2.45
3.50
133
128
430
8.9
8.1
6.6
5.0
7.5
7.5
81
51
4
% of I
Units
Rev. B 062011
% of
V
% of
V
% of
V
MW
kHz
mA
mA
mF
ns
SD(H)
SD(H)
SD(H)
%
%
%
V
V
V
V
V
DT/BF
21