EA1530T Ver la hoja de datos (PDF) - NXP Semiconductors.
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EA1530T Datasheet PDF : 21 Pages
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NXP Semiconductors
5. Block diagram
TEA1530T/AT/AP
GreenChip II SMPS control IC
1
VCC
GND
S1
2
SUPPLY
MANAGEMENT
START-UP
CURRENT SOURCE
internal UVLO start
supply
Vm
OSCILLATOR
Osc_Rdy
Duty_Max
LOGIC
LOGIC
SLOPE
COMPENSATION
∆Isc/∆t
8
GND
DRIVER
blank
Istartup(soft)
LEB
soft
start
S2
7
HVS
6
DRIVER
0.5 V
CTRL 4
−1
5.6 V
control
detect
POWER-ON
RESET
0.63 V
Ich
PROTECT
3 300 Ω
Idch
2.5 V
5.6 V
3V
SQ
UVLO R Q
S3
protect
detect
OVER-
TEMPERATURE
PROTECTION
(1) Switch S3 is not controlled in TEA1530T, it is fixed as drawn.
Fig 1. Block diagram
5
SENSE
TEA1530(A)
SQ
VCC < 4.5 V R Q
014aaa164
TEA1530T_AT_AP_1
Product data sheet
Rev. 01 — 30 June 2008
© NXP B.V. 2008. All rights reserved.
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