ZXSC420E6TA Diodes Zetex, ZXSC420E6TA Datasheet - Page 11

• Manufacturer Part Number: ZXSC420E6TA
• Description: IC CONVERTER BOOST SOT23-6
• Manufacturer: Diodes Zetex
• Type: Step-Up (Boost)r

Specifications of ZXSC420E6TA

• Internal Switch(s): No
• Synchronous Rectifier: No
• Number Of Outputs: 1
• Voltage - Output: Adjustable
• Current - Output: 300mA
• Frequency - Switching: Up to 200kHz
• Voltage - Input: 1.8 ~ 8 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: SOT-23-6
• Power - Output: 450mW
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: ZXSC420E6TATR

Sequencing A
By adding the circuit below to the LCD bias output (V
the converter a 10ms delay can be achieved between
A
a delay in turning the PMOS transistor on, which transfers
to a 10ms delay between input and output of the circuit.
ISSUE 2 - May 2003
VDD
power up and V
VDD
ON
and V
power up. The circuit operates by
ON
ON
) of
11
The delay is set by the RC time constant of R1 and C1.
The diode, D1, discharges the gate of the PMOS when
the main system supply is turned off, guaranteeing a
delay every turn on cycle.
S E M I C O N D U C T O R S
ZXSC410
ZXSC420