參數(shù)資料
型號(hào): AN8018SA
廠(chǎng)商: PANASONIC CORP
元件分類(lèi): 穩(wěn)壓器
英文描述: 1.8-volt 2-channel step-up, step-down, or inverting DC-DC converter control IC
中文描述: 0.05 A SWITCHING CONTROLLER, 1000 kHz SWITCHING FREQ-MAX, PDSO16
封裝: 0.225 INCH, 0.65 MM PITCH, PLASTIC, SSOP-16
文件頁(yè)數(shù): 8/26頁(yè)
文件大小: 268K
代理商: AN8018SA
8
AN8018SA
Voltage Regulators
Pin No.
Equivalent circuit
Description
I/O
12
DT2:
The pin for setting channel 2 output maximum
duty ratio.
If this terminal is set at a voltage of 0.9 V or more,
FB2 terminal becomes high-level voltage and the
protective function for channel 2 output short-
circuit will stop (Unlatch function).
I
13
FB2:
The output pin for error amplifier 2 block.
The source current is
47
μ
A and the sink current
is 47
μ
A.
Correct the frequency characteristics of the gain
and the phase by connecting a resistor and a ca-
pacitor between this terminal and GND.
O
14
IN
+
2:
The noninverting input pin for error amplifier 2
block.
I
15
Off:
The terminal for on/off control.
High-level input: Normal operation (V
OFF
>
1.3
V)
Low-level input: Standby state (V
OFF
<
0.8 V)
The total current consumption in the standby state
can be suppressed to a value 1 mA or less.
V
REF
:
The output terminal for the internal reference
voltage.
The reference voltage is 1.19 V (allowance:
±
2%) at
V
CC
=
2.4 V and I
REF
=
0.1 mA.
Connect a capacitor of 0.01
μ
F or more between
V
REF
and GND for phase compensation.
I
16
O
V
CC
IN
+
2
13
1.19 V
47
μ
A
OSC
PWM
47
μ
A
100
V
CC
1.19 V
14
30 k
Internal circuit
start/stop
60 k
15
V
CC
16
I
Terminal Equivalent Circuits (continued)
V
CC
FB2
12
0.9 V
OSC
PWM
0.9 V
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