AA18380 Agamem Microelectronic, AA18380 Datasheet - Page 5

• Manufacturer Part Number: AA18380
• Description: Switching Regulator Controller
• Manufacturer: Agamem Microelectronic

PRELIMINARY
■ TIMING DIAGRAM
©Copyright Agamem Microelectronics Inc.
Output section
Output current
setting section/
Control section
Entire device
circuit detectioin compartor
Idle Period setting voltage
Reference input for short
Soft start setting voltage
Power supply control SW
Sawtooth wave output
SCP pin waveform
Out put waveform
FB Pin voltage
Parameter
Output voltage
Output source
current
Output sink current
Pull down resistance
Pin voltage
Input off condition
Input on condition
Pin current range
Stand-by current
Average supply
current
Agamem Microelectronics Inc.
OFF
ON--
Soft start
tS
Symbol
V
V
V
V
I
V
I
I
I
R
I
I
I
CCS
OFF
O –
OH1
OH2
ON
BR
CC
OL1
OL2
O+
BR
O
(Continued)
Stable State
R
R
I
R
R
I
R
R
R
BR/CTL pin open or V
R
O
O
5
B
B
B
B
B
B
B
B
= –10 mA
= 10 mA
= 390 Ω , I
= 750 Ω , V
= 390 Ω , I
= 750 Ω , V
= 390 Ω , V
= 390 Ω , V
= 390 Ω
= 390 Ω
Condition
—
—
O
O
CC
CC
O
O
= –15 mA
= 15 mA
= 0.9 V
= 0.3 V
Output
circuit
= 1.8 V
= 1.8 V
AA18380
Switching Regulator Controller
Short
www.agamem.com.tw
CC
–1.8
Min
–20
1.0
0.8
0.2
30
20
—
—
—
—
—
—
Output short circuit
Value
Typ
–30
1.2
1.0
0.1
0.1
0.3
5.5
60
30
—
—
—
—
tPE
Short circuit
detection
Max
–0.1
–20
–45
0.2
0.2
0.4
9.3
40
—
—
—
0
1
2007/1/15
Unit
µ A
µ A
µ A
mA
mA
mA
mA
kΩ
V
V
V
V
V