HT1087-15 HOLTEK [Holtek Semiconductor Inc], HT1087-15 Datasheet - Page 3

• Manufacturer Part Number: HT1087-15
• Description: 0.5A General Purpose LDO
• Manufacturer: HOLTEK [Holtek Semiconductor Inc]

Electrical Characteristics
Note:
Rev. 1.10
V
V
V
I
I
I
RR
D
LIMIT
ADJ
SS
Symbol
V
V
REF
OUT
DIF
D
LOAD
LINE
1. Specifications are production tested at room temperature, Ta. Specifications within the 40 C to 85 C
2. Load regulation is measured at a constant junction temperature, using pulse testing with a low ON time and
3. Dropout voltage is defined as the input voltage minus the output voltage that produces a 2% change in the
4. Current limit is measured by pulsing for a short time.
differential voltage and the output current. Guaranteed maximum power dissipation will not be available over
Controls (SQC).
is guaranteed up to the maximum power dissipation. Power dissipation is determined by the input/output
the full input/output range. The maximum allowable power dissipation at any ambient temperature is
P
output voltage from the value at V
operating temperature range are assured by design, characterization and correlation with Statistical Quality
D
Reference Voltage
Output Voltage
Load Regulation (see note 2)
Line Regulation
Dropout Voltage (see note 3)
Current Limit (see note 4)
Adjust Pin Current
(Variable Version)
Quiescent Current
(Fixed Version)
Ripple Rejection
Temperature Coefficient
= (T
J(MAX)
Parameter
Ta) /
JA
.
T
J
=25 C, V
IN
2.75V
HT1087-15
HT1087-18
HT1087-25
HT1087-33
HT1087-50
I
2.75V
2.75V
2.75V
120Hz input ripple
C
OUT
40 C<Ta<85 C
V
V
OUT
= V
OUT
OUT
Test Conditions
=0.5A
=22 F
OUT
IN
=2%, I
=10%
=V
V
V
V
V
+1.5V with a fixed load.
IN
IN
IN
IN
OUT
3
OUT
12V
12V
12V
12V
+1.5V, I
=0.5A
O
=10mA, unless otherwise specified (see note 1)
1.225
1.470
1.764
2.450
3.234
4.900
Min.
0.5
1
1.250
1.500
1.800
2.500
3.300
5.000
0.015
Typ.
1.1
1.5
55
60
0.4
8
HT1087 Series
1.275
1.530
1.836
2.550
3.366
5.100
Max.
0.15
120
1.3
20
13
October 5, 2007
mV/ C
Unit
%/V
mV
mA
dB
V
V
V
V
V
V
V
A
A