參數(shù)資料
型號(hào): PUCC3801T
廠商: NXP SEMICONDUCTORS
元件分類: 穩(wěn)壓器
英文描述: Current-mode PWM controller
中文描述: SWITCHING CONTROLLER, 100 kHz SWITCHING FREQ-MAX, PDSO8
封裝: PLASTIC, SOT-96, 8 PIN
文件頁(yè)數(shù): 2/16頁(yè)
文件大小: 308K
代理商: PUCC3801T
Philips Semiconductors
PUCC3801
Current-mode PWM controller
Product data
Rev. 01 — 10 September 2001
2 of 16
9397 750 08419
Koninklijke Philips Electronics N.V. 2001. All rights reserved.
4.
Ordering information
5.
Block diagram
Table 1:
Type number
Ordering information
Package
Name
PUCC3801P
PUCC3801T
Description
plastic dual in-line package; 8 leads (300 mil)
plastic small outline package; 8 leads; body width 3.9 mm
Version
SOT97-1
SOT96-1
DIP8
SO8
Fig 1.
Block diagram.
03af30
8 k
DRIVER
5
6
REG
OUT
GND
shutdown
Bandgap 1.25 V
REF
2.5 V
VDD
VCC
OV
LATCH
PWM
OSC
ERRAMP
5
μ
A
5
μ
A
3
2
1
7
VDD
COMP
PUCC3801
FB
CSNS
RANDOM
VCC
VREG
POWER
MANAGER
lev5V
lev8V
lev10V
lev14V
lev14V
lev5V
POR
CHIPON
VDD
VDD(comp)
Bandgap 1.25 V
Z1
Z2
PGND
8
x 0.4
OVERCURRENT
COMPARATOR
slope compensation
ramp
osc
to all sections
to overcurrent
comparator
to OSC,
DRIVER,
PWM
4
n.c.
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