SP6134H Datasheet, PDF (3/15 Pages) Sipex Corporation – High Voltage, 600 KHz Synchronous PWM Controller

SP6134H
High Voltage, 600kHz Synchronous PWM Step Down
Controller
Parameter
SS Discharge Current:
Short Circuit Threshold Voltage
Hiccup Timeout
Number of Allowable Clock
Cycles at 100% Duty Cycle
Minimum GL Pulse After 20
Cycles
Thermal Shutdown Temperature
Thermal Hysteresis
GH & GL Rise Times
GH & GL Fall Times
GL to GH Non Overlap Time
SWN to GL Non Overlap Time
GH & GL Pull Down Resistance
Driver Pull Down Resistance
Driver Pull Up Resistance
Min.
1
0.20
Typ.
0.25
100
20
0.5
145
10
35
30
45
25
50
1.5
2.5
Max.
0.30
50
40
70
40
Units
mA
V
ms
Cycles
Conditions
• Fault Present, SS = 0.2V
• Measured VREF (0.8V) - VFB
VFB = 0.5V
VFB = 0.7V
Cycle
°C
°C
ns
ns
ns
ns
Ω
Ω
Ω
VFB = 0.7V
• Measured 10% to 90%
• Measured 90% to 10%
• GH & GL Measured at 2.0V
• Measured SWN = 100mV to GL = 2.0V
BLOCK DIAGRAM
© 2008 Exar Corporation
Fig. 2:SP6134H Block Diagram
3/15
Rev. 2.0.0