參數(shù)資料
型號: R1211X
廠商: Ricoh Co., Ltd.
英文描述: Step-up DC/DC Controller
中文描述: 升壓DC / DC控制器
文件頁數(shù): 15/33頁
文件大小: 375K
代理商: R1211X
Rev. 1.10 - 15 -
*DELAY Pin Detector Threshold Voltage Test
*AMP “H” Output Current/”L” Output Current Test
3.3V
V
IN
EXT
V
FB
DELAY
GND
OSCILLOSC PE
3.3V
V
IN
AMPOUT
V
FB
DELAY
GND
A
1V
*UVLO Detector Threshold/Hysteresis Range Test
V
IN
EXT
V
FB
DELAY
GND
OS
ILLOSC
PE
*Soft-start Time Test
Rout
VIN
EXT
AMPOUT
VFB
GND
DELAY
Coil
Dode
C1
R1
R2
C2
NMOS
C3
R3
R4
C4
C 5
V
OUT
OS
ILLOSC
OPE
<Components>
Inductor (L)
Diode (SD)
Capacitors
: 22
μ
H (TDK LDR655312T-220)
: CRS02 (Toshiba)
C1: 680pF(Ceramic), C2: 22
μ
F (Tantalum)+2.2
μ
F (Ceramic),
C3: 68
μ
F (Tantalum)+2.2
μ
F (Ceramic), C4: 2200pF(Ceramic), C5: 22
μ
F(Tantalum)
NMOS Transistor : IRF7601 (International Rectifier)
Resistors
: R1: 90k
, R2:10k
, R3:30k
, R4:30k
, Rout:1k
/330
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