CS3524A Datasheet, PDF (2/8 Pages) Cherry Semiconductor Corporation – Voltage Mode PWM Control Circuit with 200mA Output Drivers

CS3524A
V_IN
SYNC
R_T
C_T
COMP
EA−
EA+
I_SENSE+
I_SENSE−
OSC
UV
Sense
CLOCK
5 V Reference
Regulator
Power to
Internal
Circuitry _Flip
T ^Flop
RAMP
V_IN
−
EA
+
200 mV ^VIN
CL
+
S
R
COMP
−
PWM
S Latch
1 kΩ
10 kΩ
V_REF
V_OUTA
E_A
V_OUTB
E_B
SHUTDOWN
GND
Figure 1. Block Diagram
ABSOLUTE MAXIMUM RATINGS*
Rating
Supply Voltage (V_IN)
Collector Supply Voltage (V_CC)
Output Current (Each Output)
Reference Output Current
Oscillator Charging Current
Power Dissipation at T_A = 25°C
Power Dissipation at T_J = +25°C
Derate for Case Temperature above +25°C
Storage Temperature Range
Lead Temperature Soldering
Wave Solder (through hole styles only) Note 1
Reflow (SMD styles only) Note 2
1. 10 seconds max.
2. 60 seconds max above 183°C
*The maximum package power dissipation must be observed.
Value
40
60
200
50
5.0
1000
2000
16
−65 to +150
260 peak
230 peak
Unit
V
V
mA
mA
mA
mW
mW
mW/°C
°C
°C
°C
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