tea1733mt NXP Semiconductors, tea1733mt Datasheet - Page 12

• Manufacturer Part Number: tea1733mt
• Description: Tea1733mt Greenchip Smps Control Ic
• Manufacturer: NXP Semiconductors

NXP Semiconductors
10. Characteristics
Table 5.
T
the IC; unless otherwise specified.
TEA1733MT
Preliminary data sheet
Symbol
Supply voltage management (pin V
V
V
V
V
I
I
V
Input voltage sensing (pin VINSENSE)
V
V
V
I
V
Protection input (pin PROTECT)
V
V
I
V
Peak current control (pin CTRL)
V
R
I
CC(startup)
CC(oper)
O(VINSENSE)
O(PROTECT)
O(CTRL)
amb
startup
th(UVLO)
clamp(VCC)
hys
rst(latch)
start(VINSENSE)
det(L)(VINSENSE)
det(H)(VINSENSE)
clamp(VINSENSE)
det(L)(PROTECT)
det(H)(PROTECT)
clamp(PROTECT)
CTRL
int(CTRL)
= 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
clamp voltage on pin VCC
hysteresis voltage
start-up supply current
operating supply current
latched reset voltage
start voltage on pin
VINSENSE
LOW-level detection
voltage on pin VINSENSE
HIGH-level detection
voltage on pin VINSENSE
output current on pin
VINSENSE
clamp voltage on pin
VINSENSE
LOW-level detection
voltage on pin PROTECT
HIGH-level detection
voltage on pin PROTECT
output current on pin
PROTECT
clamp voltage on pin
PROTECT
voltage on pin CTRL
internal resistance on pin
CTRL
output current on pin CTRL V
CC
)
All information provided in this document is subject to legal disclaimers.
no load on pin DRIVER
Conditions
activated during restart
activated during latched
protection
V
V
detection level
I
V
V
I
for minimum flyback peak
current
for maximum flyback peak
current
V
I(VINSENSE)
I(PROTECT)
startup
CC
VINSENSE
VINSENSE
CTRL
CTRL
Rev. 1 — 4 February 2011
< V
= 1.4 V
= 3.7 V
− V
startup
= V
th(UVLO)
= V
= 200 μA
= 50 μA
high(PROTECT)
low(PROTECT)
[1]
-
0.45
4
0.89
Min
18.6
11.2
-
8
5
0.68
3.39
-
-
0.47
0.75
−34
87
3.5
1.5
3.4
5
−0.7
−0.28
GreenChip SMPS control IC
Typ
20.6
12.2
V
V
9
10
0.55
5
0.94
0.72
3.52
−20
5.2
0.50
0.8
−32
107
4.1
1.8
3.9
7
−0.5
−0.2
startup
rst(latch)
TEA1733MT
+ 1
+ 1 -
© NXP B.V. 2011. All rights reserved.
Max
22.6
13.2
-
10
15
0.65
6
0.99
0.76
3.65
-
-
0.53
0.85
−30
127
4.7
2.1
4.3
9
−0.3
−0.12
mA
V
Unit
V
V
V
V
V
μA
V
V
V
nA
V
V
V
μA
μA
V
V
V
kΩ
mA
mA
12 of 20