tea1738t NXP Semiconductors, tea1738t Datasheet - Page 12

• Manufacturer Part Number: tea1738t
• Description: Tea1738t; Tea1738lt Greenchip Smps Control Ic
• Manufacturer: NXP Semiconductors

NXP Semiconductors
9. Thermal characteristics
10. Characteristics
Table 5.
T
the IC; unless otherwise specified.
TEA1738T_TEA1738LT
Product data sheet
Symbol
Supply voltage management (pin VCC)
V
V
V
N
V
I
V
I
clamp(VCC)
CC(startup)
amb
startup
th(UVLO)
th(ovp)
clamp(VCC)
hys
cy(ovp)
= 25
°
C; V
Characteristics
CC
= 20 V; all voltages are measured with respect to ground (pin 2); currents are positive when flowing into
Parameter
start-up voltage
undervoltage lockout
threshold voltage
overvoltage protection
threshold voltage
number of overvoltage
protection cycles
clamp voltage on pin
VCC
clamp current on pin
VCC
hysteresis voltage
start-up supply current
Table 3.
In accordance with the Absolute Maximum Rating System (IEC 60134).
[1]
[2]
Table 4.
Symbol
ESD
V
Symbol
R
R
ESD
th(j-a)
th(j-c)
Equivalent to discharging a 100 pF capacitor through a 1.5 kΩ series resistor.
Equivalent to discharging a 200 pF capacitor through a 0.75 μH coil and a 10 Ω resistor.
Limiting values
Thermal characteristics
Parameter
thermal resistance from
junction to ambient
thermal resistance from
junction to case
Parameter
electrostatic discharge
voltage
All information provided in this document is subject to legal disclaimers.
Conditions
activated during restart;
I
activated during latched
protection; I
activated during latched
protection; I
activated during restart;
V
V
V
CC
CC
startup
CC
= 100 μA
= 25 V
< V
Rev. 2 — 14 January 2011
− V
startup
…continued
th(UVLO)
CC
CC
= 100 μA
= 500 μA
Conditions
in free air;
JEDEC test board
in free air;
JEDEC test board
Conditions
class 1
TEA1738T; TEA1738LT
human body
model
machine model
charged device
model
Min
18.6
11.2
29
7
-
-
-
730
7.5
5
Typ
20.6
12.2
30
-
V
V
-
-
9
10
startup
rst(latch)
GreenChip SMPS control IC
+ 1
[1]
[2]
+ 1 -
Min
-
-
-
Typ
150
79
Max
22.6
13.2
31
8
-
V
-
10.5
15
rst(latch)
© NXP B.V. 2011. All rights reserved.
Max
4000
300
750
+ 4
Unit
K/W
K/W
Unit
V
V
V
V
V
V
μA
V
μA
Unit
V
V
V
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