Sharp LC-32D44E Service Manual page 82

LC32D44E/S/RU-BK/GY (1st Eddition)
Pin No. Pin Name
25 VCP2
26 HVCC
27 VCP1
28 C1
29 CPPG
30 CPFB1
31 PGND1
32 PG1
33 SW1
34 PGATE
35 DTC1
36 COMP1
37 FB1
38 CTL1
39 FAULT
40 SCP
41 UVLO
42 VCC
43 VREF
44 FB2
45 COMP2
46 DTC2
47 PVCC2
48 BOOT2
49 SW2
50 CTL2
51 PG2
52 REG
53 LDFB1
54 LDCTL1
55 LDPG1
56 LDO1
57 GND
58 RT
59 LDFB2
60 LDO2
61 LDVCC2
62 CTL3
63 SW3
64 BOOT3
I/O
O Charge pump LOD output 2.
--- Power supply terminal.
O Charge pump LOD output 1.
O Charge pump output 1.
O CP power good output.
I Charge pump feedback 1.
--- Ground terminal.
O Power good output 1.
O Switching output 1.
O P-channel gate drive output.
I Duty control terminal 1.
O Error margin amplifier output 1.
I Feedback input 1.
I Control input 1.
O Protect detector output.
I Short protection delay terminal
I Low voltage lockout setting terminal.
--- Power supply terminal.
O Reference voltage output terminal.
I Feedback input 2.
O Error margin amplifier output 2.
I Duty control terminal 2.
--- Power supply terminal.
I Switch boot terminal 2.
O Switching output 2.
I Control input 2.
O Power good output 2.
O LDO output for BOOT.
I LDO feedback 1.
I LDO control terminal 1.
O LDO power good output 1.
O LDO output 1.
--- Ground terminal.
I Frequency setting terminal.
I LDO feedback 2.
O LDO output 2.
--- Power supply terminal.
I Control input 3.
O Switching output 3.
I Switch boot terminal 3.
5 – 23
Pin Function