R1212D002A RICOH [RICOH electronics devices division], R1212D002A Datasheet - Page 29

• Manufacturer Part Number: R1212D002A
• Description: STEP-UP DC/DC CONTOLLER
• Manufacturer: RICOH [RICOH electronics devices division]

21) D
23) V
25)
V
ELAY
REFOUT
REFOUT
1600
1400
1200
1000
1.53
1.52
1.51
1.50
1.49
1.48
300
250
200
150
100
800
600
400
200
Pin Discharge Current vs. Temperature
50
0
0
-50
Voltage vs. Output Current (2) (Topt
Voltage vs. Input Voltage (Topt=25°C) 24)
2
0
-25
Output Current I
20
Temperature Topt( C)
3
R1212D10xx
R1212D10xx
R1212D10xx
Input Voltage V
0
25
40
V
4
IN
=2.2V, V
ROUT
50
IN
(V)
V
V
V
(mA)
60
5
IN
IN
IN
DLY
=2.2V
=3.3V
=5.5V
75
=0.1V
=
100
80
25°C)
6
26)
V
Error Amplifier Gain/Phase vs. Frequency (Topt=25°C)
REFOUT
1515
1510
1505
1500
1495
1490
1485
Voltage vs. Output Current (1) (Topt
1.53
1.52
1.51
1.50
1.49
1.48
180
160
140
120
100
-20
22) V
80
60
40
20
0
-50
0
0
REFOUT
Gain
-25
2
Output Current I
10
Voltage vs. Temperature
Temperature Topt( C)
R1212D10xx
R1212D10xx
R1212D10xx
Frequency freq.(kHz)
V
V
V
IN
IN
IN
0
=2.2V
=3.3V
=5.5V
4
100
25
Phase
6
ROUT
50
1000
(mA)
V
V
8
75
IN
IN
=
=3.3V
=3.3V
25°C)
R1212D
10000
100
10
29