R1223N152A RICOH [RICOH electronics devices division], R1223N152A Datasheet - Page 6

• Manufacturer Part Number: R1223N152A
• Description: PWM/VFM Step-down DC/DC Converter
• Manufacturer: RICOH [RICOH electronics devices division]

n n n n TEST CIRCUITS
The typical characteristics were obtained by use of these test circuits.
Test Circuit A : Typical characteristics 1), 2), 3), 4), 5), 6), 7)
Test Circuit B : Typical characteristics 8)
Test Circuit C : Standby Current
Test Circuit D : Typical characteristics 12), 13)
Test Circuit E : CE input current “H” and “L”
Test Circuit F : Typical characteristics 9)
Test Circuit G : Typical characteristics 10), 11)
Rev. 1.11
C)
A)
B)
D)
V
V
V
V
IN
IN
IN
IN
12345
C
IN
A
A
C
5
1
IN
PMOS
4
5
5
1
1
5
1
3
2
A
4
4
4
3
3
2
2
3
2
V
V
OUT
EXT
OSCILLOSCOPE
SD
L
C
L
V
V
IN
V
- 6 -
IN
G)
E)
F)
C
PMOS
IN
V
5
1
IN
5
1
4
4
3
2
3
2
A
OSCILLOSCOPE
OSCILLOSCOPE
5
1
SD
V
L
OUT
4
C
3
2
L
V