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L6926D013TR Datasheet(PDF) 2 Page - STMicroelectronics

Part # L6926D013TR
Description  HIGH EFFICIENCY MONOLITHIC SYNCHRONOUS STEP DOWN REGULATOR
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

L6926D013TR Datasheet(HTML) 2 Page - STMicroelectronics

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ABSOLUTE MAXIMUM RATINGS
PIN CONNECTION
THERMAL DATA
PIN FUNCTIONS
Symbol
Parameter
Value
Unit
V6
Input voltage
-0.3 to 6
V
V5
Output switching voltage
-1 to VCC
V
V1
Shutdown
-0.3 to VCC
V
V3
Feedback voltage
-0.3 to VCC
V
V2
Analog input voltage
-0.3 to VCC
V
Ptot
Power dissipation at Tamb=70
°C0.45
W
Tj
Junction operating temperature range
-40 to 150
°C
Tstg
Storage temperature range
-65 to 150
°C
LX Pin
Maximum Withstanding Voltage Range Test Condition: CDF-
AEC-Q100-002- “Human Body Model” Acceptance Criteria:
“Normal Performance’
±1000
V
Other pins
±2000
V
Symbol
Parameter
Value
Unit
Rth j-amb
Thermal Resistance Junction to Ambient
180
°C/W
N
Name
Description
1
RUN
Shutdown input. When connected to a low level (lower than 0.4V) the device stops working.
When high (higher than 1.3V) the device is enabled.
2
COMP
Error amplifier output. A compensation network has to be connected to this pin. Usually a
220pF capacitor is enough to guarantee the loop stability.
3
VFB
Error amplifier inverting input. The output voltage can be adjusted from 0.6V up to the input
voltage by connecting this pin to an external resistor divider.
4
GND
Ground.
5
LX
Switch output node. This pin is internally connected to the drain of the internal switches.
6
VCC
Input voltage. The start up input voltage is 2.2V (typ) while the operating input voltage range is
from 2V to 5.5V. An internal UVLO circuit realizes a 100mV (typ.) hysteresis.
7
SYNC
Operating mode selector input. When high (higher than 1.3V) the Low Consumption Mode is
selected. When low (lower than 0.5V) the Low Noise Mode is selected. If connected with an
appropriate external synchronization signal (from 500KHz up to 1.4MHz) the internal
synchronization circuit is activated and the device works at the same switching frequency.
8
PGOOD
Power good comparator output. It is an open drain output. A pull-up resistor should be
connected between PGOOD and VOUT (or VCC depending on the requirements). The pin is
forced low when the output voltage is lower than 90% of the regulated output voltage and goes
high when the output voltage is greater than 90% of the regulated output voltage. If not used the
pin can be left floating.
RUN
COMP
VFB
GND
1
3
2
4LX
VCC
SYNC
PGOOD
8
7
6
5
D01IN1239AMOD


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