CS52843
VCC
VCC Undervoltage Lockout
VCC Pwr
34 V
GND
VFB
COMP
OSC
Sense
8.4 V/7.6 V
Set/
5.0 Volt
Reset Reference
Error
Amplifier
2.50 V
Oscillator
OUTPUT
R
ENABLE
R
2R
R
S
1.0 V
Current
Sensing
Comparator
R
PWM
Latch
NOR
Internal Bias
VREF
VOUT
Pwr GND
Figure 1. Block Diagram
MAXIMUM RATINGS*
Rating
Supply Voltage (ICC < 30 mA)
Supply Voltage (Low Impedance Source)
Output Current
Output Energy (Capacitive Load)
Analog Inputs (VFB, VSENSE)
Error Amp Output Sink Current
Lead Temperature Soldering:
1. 60 second maximum above 183°C.
*The maximum package power dissipation must be observed.
Value
Unit
Self Limiting
−
30
V
±1.0
A
5.0
μJ
−0.3 to 5.5
V
10
mA
Reflow: (SMD styles only) (Note 1) 230 peak
°C
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