CP3800 Datasheet, PDF (5/19 Pages) Ceramate Technical – Switching Regulator Power Controller

CP3800
Switching Regulator Power Controller
Output current
Setting section/
Control section
Entire device
Pin voltage
Input off condition
Input on condition
Pin current range
Stand-by current
Average supply current
V_BR R_B= 390Ω
0.10 0.19 0.25 V
I_OFF
--
-20 -- 0 μA
I_ON
-- -- -45 μA
I_BR
-1.8 -- -0.1 ｍＡ
I_CCS BR/CTL pin open or -- -- 1 μA
V_CC
I_CC R_B= 390,V_CC =2~12V
-- 5.5 10.0 ｍＡ
Timing Chart
FB pin voltage
Reference input for short circuit
detection comparator
Idle period setting voltage
Sawtooth wave output
Soft start setting voltage
OUT pin waveforms
SCP pin waveforms
ON
Power supply control SW
OFF
Soft start
tS
Output
short
circuit
t PE
Output short circuit
Short circuit
detection
* All specs and applications shown above subject to change without prior notice.
1F-5 NO.66 SEC.2 NAN-KAN RD ., LUCHU , TAOYUAN, TAIWAN
Tel:[phone]
Fax:[phone]
Page 5 of 19
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Http: www.ceramate.com.tw
Rev 1.0 Mar.31,2003