TEA1738LT 데이터 시트보기 (PDF) - NXP Semiconductors.
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TEA1738LT Datasheet PDF : 21 Pages
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NXP Semiconductors
TEA1738T; TEA1738LT
GreenChip SMPS control IC
Table 3. Limiting values …continued
In accordance with the Absolute Maximum Rating System (IEC 60134).
Symbol
Parameter
Conditions
Min
ESD
VESD
electrostatic discharge
class 1
voltage
human body
[1] -
model
machine model
[2] -
charged device
-
model
Max Unit
4000 V
300 V
750 V
[1] Equivalent to discharging a 100 pF capacitor through a 1.5 kΩ series resistor.
[2] Equivalent to discharging a 200 pF capacitor through a 0.75 μH coil and a 10 Ω resistor.
9. Thermal characteristics
Table 4.
Symbol
Rth(j-a)
Rth(j-c)
Thermal characteristics
Parameter
thermal resistance from
junction to ambient
thermal resistance from
junction to case
Conditions
in free air;
JEDEC test board
in free air;
JEDEC test board
Typ
Unit
150
K/W
79
K/W
10. Characteristics
Table 5. Characteristics
Tamb = 25 °C; VCC = 20 V; all voltages are measured with respect to ground (pin 2); currents are positive when flowing into
the IC; unless otherwise specified.
Symbol
Parameter
Conditions
Min
Typ
Max
Unit
Supply voltage management (pin VCC)
Vstartup
Vth(UVLO)
start-up voltage
undervoltage lockout
threshold voltage
18.6
20.6
22.6
V
11.2
12.2
13.2
V
Vth(ovp)
overvoltage protection
threshold voltage
29
30
31
V
Ncy(ovp)
number of overvoltage
protection cycles
7-
8
Vclamp(VCC)
Iclamp(VCC)
Vhys
ICC(startup)
clamp voltage on pin
VCC
clamp current on pin
VCC
hysteresis voltage
start-up supply current
activated during restart;
ICC =1 00 μA
activated during latched
protection; ICC =1 00 μA
activated during latched
protection; ICC =5 00 μA
activated during restart;
VCC =2 5V
Vstartup − Vth(UVLO)
VCC <V startup
-V
startup +1 -
V
-V
rst(latch) +1 -
V
--
Vrst(latch) +4 V
730
-
-
μA
7.5
9
51
0
10.5
V
15
μA
TEA1738T_TEA1738LT
Product data sheet
All information provided in this document is subject to legal disclaimers.
Rev. 2 — 14 January 2011
© NXP B.V. 2011. All rights reserved.
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