Sanyo EP91G Brochure page 10

Power Supply ICs for Single Lens Reflex Digital Cameras Power Supply ICs for Single Lens Reflex Digital Cameras
LV5603T LV5603T
■ Applications
6-channel switching regulator control IC
■ Functions/Features
● Low voltage (3V minimum) operation
● Reference voltage precision: ± 1%
● Independent standby function for each of the 6 channels
● Is capable of driving MOS transistors
● Synchronous rectifi cation: channels 1 and 2
● Supports inverting step-up operation
Type Input voltage Output voltage
Multiple power Programmable
3V to 15V
supply externally
STBY6
STBY5
STBY4
STBY3
STBY2
STBY1
RT
CT
17
unit: mm
9.0
7.0
36 25
37 24
48
13
1 12
0.125
0.5 0.2
(0.75)
SANYO: TQFP48J(7X7)
Channels Power stages Package
6ch (Step up 2, down 4) External TQFP48J(7×7)
Block Diagram
Power Supply ICs for Single Lens Reflex Digital Cameras Power Supply ICs for Single Lens Reflex Digital Cameras
LV5655 LV5655
■ Applications
3-channel switching regulator control IC
■ Functions/Features
● Low voltage (3V minimum) operation
● Reference voltage precision: ± 1%
● Built-in standby circuit
● Synchronous rectifi cation: channels 1 and 2
● 3-channel independent soft start
Type Input voltage Output voltage
Multiple power
supply
SCPOUT
SCP
VREF
Lithium-ion X 2
(5V to 8.4V)
unit: mm
Channels
Programmable
3V to 15V 3ch (Step up 1, down 2)
externally
2 1
VREF SCP
CSOFT1
-
3 +
-
IN1- + +
4 - -
FB1
5
CSOFT2
6 + -
-
IN2- +
7 - +
FB2
8
IN3-
9 + -
+ -
FB3
- +
10
CSOFT2
11
CTRL RT
12 13
6.5
24
13
1 12
0.5 0.22 0.15
(0.5)
SANYO: SSOP24(225mil)
Power stages Package
External SSOP24(225mil)
Block Diagram
V CC
24
VBIAS
23
OUT1
22
OUT1N
21
SYN1
20
UT2
19
OUT2N
18
SYN2
17
OUT3
16
VS(PGND)
15
SGND
14
18