ncp1596 ON Semiconductor, ncp1596 Datasheet - Page 5

• Manufacturer Part Number: ncp1596
• Description: 1.5 A, 1.5 Mhz Current Mode Pwm Buck Down Converter
• Manufacturer: ON Semiconductor

VOUT
VIN
NC
3.8 V
1 ms
YES
Operation
Normal
Figure 3. Timing Diagram
UVLO
VCC
Figure 4. State Diagram
3.5 V
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Power up the
VCC > UVLO
internal Vref
VCC > 3 V
Enable the
Ramp up
Oscillator,
Soft start
OTA and
Enable
(1 ms)
device
driver
YES
5
EN
Current Limit
Temperature
160 deg
> 2.5 A
1.8 V
YES
>
NO
YES
OTA and driver
Disable the
Oscillator,
YES
Temperature
130 deg
<
0.4 V
NO
TIME 1 ms/div
TIME 1 ms/div