Details

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Parameter	Symbol	Min	Typ	Max	Unit	Conditions
Input Voltage	V_IN	4.5	-	60	V
Output Voltage	V_OUT	-	-	-	V	Depends on external components
Switching Frequency	f_SW	-	300	700	kHz	Adjustable
Quiescent Current	I_Q	-	1.2	-	mA	No load, V_IN = 12V
Maximum Duty Cycle	D_MAX	-	97	-	%
Minimum ON Time	t_ON(MIN)	-	85	-	ns
Minimum OFF Time	t_OFF(MIN)	-	85	-	ns
Current Limit	I_LIMIT	-	2.8	-	A
Thermal Shutdown	TSD	-	160	-	掳C
Operating Temperature	T_OP	-40	-	125	掳C
Storage Temperature	T_STG	-65	-	150	掳C

Instructions for Using TPS40200D:

1. Input Voltage (V_IN):

   • Ensure the input voltage is within the specified range of 4.5V to 60V.

2. Output Voltage (V_OUT):

   • Set the output voltage by selecting appropriate feedback resistors according to the formula provided in the datasheet.

3. Switching Frequency (f_SW):

   • Adjust the switching frequency using an external resistor connected to the RT/CLK pin. The typical range is from 300kHz to 700kHz.

4. Quiescent Current (I_Q):

   • Be aware that the quiescent current is around 1.2mA under no-load conditions at 12V input.

5. Maximum Duty Cycle (D_MAX):

   • The device supports a maximum duty cycle of up to 97%.

6. Minimum ON and OFF Times (t_ON(MIN), t_OFF(MIN)):

   • Both minimum times are typically 85ns, which should be considered when designing the control loop.

7. Current Limit (I_LIMIT):

   • The device has an internal current limit set to approximately 2.8A to protect against overcurrent conditions.

8. Thermal Shutdown (TSD):

   • The device will shut down if the junction temperature exceeds 160掳C to prevent damage.

9. Operating and Storage Temperature:

   • Operate the device within -40掳C to 125掳C and store it between -65掳C and 150掳C.

For detailed design considerations, refer to the full datasheet and application notes specific to the TPS40200D.

(For reference only)