參數(shù)資料
型號(hào): MC34270FB
廠商: MOTOROLA INC
元件分類(lèi): 穩(wěn)壓器
英文描述: Single Output LDO, 250mA, Fixed(3.0V), Low Noise, Fast Transient Response 5-SOT-23 -40 to 85
中文描述: 0.5 A DUAL SWITCHING CONTROLLER, 700 kHz SWITCHING FREQ-MAX, PQFP32
封裝: PLASTIC, QFP-32
文件頁(yè)數(shù): 2/12頁(yè)
文件大?。?/td> 364K
代理商: MC34270FB
MC34270 MC34271
2
MOTOROLA ANALOG IC DEVICE DATA
Representative Block Diagram
This device contains 350 active transistors.
Vin
D1
S1
SW1
Sync
Drv1
EN1
ELD
Mode
RT
Vref
1.25 V
Ref1
FB1
VDD
Comp1
OSC
D2
S2
VB
V0
V1
V2
V3
V4
Ref2
FB2
Comp2
VA = 5.0 V
Gnd
BIAS
VB
V2
V3
V4
16
15
14
13
12
19
18
17
10
11
9
6
7
32
26
8
31
30
27
2
3
4
23
22
21
28
29
On/Off
From DAC
÷
2
V1
V0
BIAS Output
Buffers
VB
25
μ
P Control
EL
Control
EL
Panel
Vin
EN2
VDD
Circuit #1
PWM
Circuit #2
PWM
ELD
EN
VRef
VDD
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