參數(shù)資料
型號(hào): TEA1532
廠商: NXP Semiconductors N.V.
英文描述: GreenChip SMPS control IC
中文描述: 綠色芯片開(kāi)關(guān)電源控制IC
文件頁(yè)數(shù): 3/27頁(yè)
文件大小: 147K
代理商: TEA1532
9397 750 13113
Koninklijke Philips Electronics N.V. 2004. All rights reserved.
Preliminary data sheet
Rev. 01 — 28 May 2004
3 of 27
Philips Semiconductors
TEA1532
GreenChip
II SMPS control IC
5.
Block diagram
Fig 1.
Block diagram.
SUPPLY
MANAGEMENT
internal
supply
UVLO start
V
m
V
CC
1
2
4
GND
S1
CTRL
OSCILLATOR
DCM
AND
CCM
DETECTION
LOGIC
LOGIC
BROWN-OUT
PROTECTION
soft
start
S2
OVER-
TEMPERATURE
PROTECTION
S
Q
R
UVLO
Q
MAXIMUM
ON-TIME
PROTECTION
POWER-ON
RESET
1
VALLEY
80
mV
clamp
DRIVER
START-UP
CURRENT SOURCE
0.5 V
6
SENSE
7
DRIVER
coa014
5
DEM
8
DRAIN
OCP
LEB
blank
I
ss
I
slopecomp
0.63 V
S
Q
R
VCC < 4.5 V
Q
50
mV
I
prot(dem)
TEA1532T
TEA1532P
Osc_Rdy
Duty_Max
SLOPE
COMPENSATION
5.6 V
control
detect
I
charge
3
PROTECT
5.6 V
I
discharge
300
protect
detect
3 V
2.5 V
S3
DCM and CCM
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