3.5.1Structure of the Thermal Head (LTPF247)

Figure 3-9shows the thermal head block diagram for the LTPF247.

Table 3-7shows the relationship between DST blocks and activated heat elements.

Block 2

DOT448

Vp

Heat elements

Output driver

Latch register

Shift register

DAT IN2

CLK

LATCH

DST2

DAT OUT2

*1

DAT IN1

DST1

DAT OUT1

*1

Thermistor

TH

TH

Vdd

GND

 

 

 

 

Block 1

DOT193

DOT192

DOT1

 

 

 

 

 

 

 

 

 

 

 

 

*1 N.C. if not using DAT OUT

Figure 3-9 Thermal Head Block Diagram (LTPF247)

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