參數(shù)資料
型號: R1212D100B
廠商: Ricoh Co., Ltd.
英文描述: STEP-UP DC/DC CONTOLLER
中文描述: 升壓型DC /直流位指示
文件頁數(shù): 3/41頁
文件大?。?/td> 690K
代理商: R1212D100B
R1212D
PIN CONFIGURATION
3
SON-8
8 7 6 5
1 2 3 4
5
6
7
8
4
3
2
1
Bottom View
Top View
PIN DESCRIPTION
Pin No
Symbol
Description
1
EXT
External FET Drive Pin (CMOS Output)
2
GND
Ground Pin
3
DTC
Pin for Setting Maximum Duty Cycle and Soft start time
4
DELAY
Pin for External Capacitor
(for Setting Output Delay of Protection)
5
V
FB
Feedback Pin for monitoring Output Voltage
6
V
REFOUT
Reference Voltage Output Pin
7
AMPOUT
Amplifier Output Pin
8
V
IN
Power Supply Pin for the IC
ABSOLUTE MAXIMUM RATINGS
(GND
=
0V)
Symbol
Item
Rating
Unit
V
IN
V
IN
Pin Voltage
EXT Pin Output Voltage
6.5
V
V
EXT
0.3 ~ V
IN
+
0.3
0.3 ~ V
IN
+
0.3
0.3 ~ V
IN
+
0.3
0.3 ~ V
IN
+
0.3
0.3 ~ V
IN
+
0.3
0.3 ~ V
IN
+
0.3
±
10
30
±
80
480
40 ~
+
85
55 ~
+
125
V
V
DLY
DELAY Pin Voltage
V
V
REFOUT
V
REFOUT
Pin Voltage
V
V
AMP
AMPOUT Pin Voltage
V
V
DTC
DTC Pin Voltage
V
V
FB
I
AMP
I
ROUT
I
EXT
P
D
Topt
Tstg
V
FB
Pin Voltage
AMPOUT Pin Current
V
REFOUT
Pin Current
EXT Pin Inductor Drive Output Current
Power Dissipation (SON-8)*
1
Operating Temperature Range
Storage Temperature Range
V
V
mA
mA
mW
°
C
°
C
1)
For Power Dissipation, please refer to PACKAGE INFORMATION to be described.
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