TS4270 Taiwan Semiconductor Company, Ltd. (TSC), TS4270 Datasheet - Page 2

• Manufacturer Part Number: TS4270
• Description: 5v Ultra Low Dropout Fixed Voltage Regulator
• Manufacturer: Taiwan Semiconductor Company, Ltd. (TSC)

Electrical Specifications
Reset Generator
Over Voltage Protection
Note:
1. Drop voltage = V
2. Reset peak is always lower than 1.0 V.
Pin Definitions and Functions
Parameter
Output Voltage
Output Voltage
Output Current Limit
Current Consumption (I
Current Consumption (I
Current Consumption (I
Dropout Voltage (Note 1)
Load Regulation
Line Regulation
Power Supply Ripple Rejection
Parameter
Switching Threshold
Reset High Voltage
Reset Low Voltage (Note 2)
Reset Low Voltage
Reset Pull-up
Lower Reset Timing Threshold
Charge Current
Upper Timing Threshold
Delay Time
Reset Reaction Time
Parameter
Turn-off Voltage
Pin
at 13.5 V input)
1
2
3
4
5
Symbol
Input
Reset Output
GND
Reset Delay
Output
IN
- V
q
q
q
OUT
= I
= I
= I
Function
Block to ground directly on the IC with ceramic capacitor
The open collector output is connected to the 5 V output via an integrated resistor of 30 kW
Internally connected to heatsink
Connect a capacitor to ground for delay time adjustment
5V, block to ground with 22 mF capacitor ESR, < 3W
I
I
I
(measured when the output voltage has dropped 100 mV from the nominal value obtained
– I
– I
– I
O
O
O
(V
)
)
)
IN
=13.5V, -40
Symbol
REG
Symbol
Symbol
REG
PSRR
V
V
V
V
I
V
V
V
V
V
V
Qmax
t
L, OV
Preliminary
ROH
td
OUT
OUT
I
I
I
ROL
ROL
R
DRL
I
RR
DR
DU
RT
q
q
q
d
LOAD
5V Ultra Low Dropout Fixed Voltage Regulator
LINE
o
C≤ T
5mA ≤I
I
V
I
I
I
I
I
I
f=100Hz, V
R
I
Internally Connected to Output
V
V
C
C
Q
O
O
O
O
O
O
R
O
O
D
intern
D
D
=3mA, V
≤ 3 00mA: 26V ≤V
=5mA,
=550mA,
=550mA, V
=550mA
= 5~550mA, V
= 5mA, V
J
=100nF
=100nF
=0V
=1V
< V
≤150
=30kΩ, 1V≤ V
RT
Q
2/9
≤ 5 50mA, 6V ≤V
Test Condition
Test Condition
Test Condition
o
C, unless otherwise noted)
O
r
I
=0.5V
= 6~26V
=4.4V
I
=5V
I
= 6V
SS
I
O
≤ 36V
≤4.5V
I
≤ 26V
4.90
4.90
Min
Min
Min
650
4.5
4.5
0.2
1.4
18
42
--
--
--
--
--
--
--
–
–
8
–
–
Typ
Typ
4.65
0.45
Typ
850
350
200
1.8
55
70
25
12
54
60
30
14
13
44
5
5
1
–
–
TS4270
Version: A07
Max
Max
Max
5.10
5.10
700
400
1.5
4.8
0.8
2.3
75
90
50
25
46
25
46
--
--
–
–
–
3
Unit
Unit
Unit
mA
mA
mA
mA
mV
mV
mV
mV
mV
ms
dB
kΩ
uA
us
V
V
V
V
V
V
V