Sharp 902SH Service Manual page 96

Pin No. Terminal name
15 EN3
16 EN2
17 EN5
18 CREF
19 LPM
20 MODE
21 PGND
22 VOUT
23 PVCC
24 CS
25 GND1
26 FB
27 IN-
28 ISNS
FB
26
Error Amp 1
IN-
27
ISNS 28 Load detection
1
SNSG
DC/DC Converter
EN2 16
EN5 17
EN1 6
7
EN4
EN3 15
GND
3, 11, 25
19
LPM
CONFIDENTIAL
Input/Output
Input LDO_3 enable terminal
Input LDO_2 enable terminal
Input LDO_5 enable terminal
– Reference voltage capacitor connection terminal
Input Low Power Mode signal input
Input Output PchMOS slew mode signal input
– Power earth
Output DC/DC converter driver output
– Power system power supply input
– Soft start terminal
– Earth
Output Error amplifier output
Input Error amplifier inverting input
Input LDO load detection terminal
CS CREF
24
Soft Start
Comp
Dead time
OSC
Reference
voltage
LDO_1
2.5 V
300 mA
4 5
VOUT1 VIN1
Description of terminal
MODE VCC
18 20 2
Output short-circuit detection
Pre_driver
enable
UVLO
LDO_4
2.5 V
200 mA
8 9
VOUT4 VIN2
6 – 19
PVCC
23
22 VOUT
21
PGND
13 VIN3
LDO_2
1.5 V
14 VOUT2
400 mA
LDO_5
1.5 V
12 VOUT5
150 mA
LDO_3
2.9 V
VOUT3
10
300 mA
Regulator
902SH