參數(shù)資料
型號(hào): TEA1208T
廠商: NXP SEMICONDUCTORS
元件分類: 穩(wěn)壓器
英文描述: High efficiency DC/DC converter
中文描述: SWITCHING REGULATOR, 330 kHz SWITCHING FREQ-MAX, PDSO8
封裝: 3.90 MM, PLASTIC, MS-012, SOT96-1, SO-8
文件頁(yè)數(shù): 3/20頁(yè)
文件大?。?/td> 88K
代理商: TEA1208T
2002 Nov 15
3
Philips Semiconductors
Product specification
High efficiency DC/DC converter
TEA1208T
QUICK REFERENCE DATA
SYMBOL
PARAMETER
CONDITIONS
MIN.
TYP.
MAX.
UNIT
Voltage levels
U
P CONVERSION
; pin U/D = LOW
V
I
V
O
V
I(start)
D
OWN CONVERSION
; pin U/D = HIGH
input voltage
output voltage
start-up input voltage
V
I(start)
2.80
1.40
1.60
5.50
5.50
1.85
V
V
V
I
L
< 62 mA
V
I
V
O
G
ENERAL
V
fb
Current levels
input voltage
output voltage
2.80
1.30
5.50
5.50
V
V
feedback voltage
1.19
1.24
1.29
V
I
q
quiescent current on pin 3
down conversion;
V
I
= 3.6 V
52
65
72
μ
A
I
shdwn
I
LX
I
lim
current in shut-down state
maximum continuous current on pin 4
current limit deviation
2
10
0.30
μ
A
A
T
amb
= 80
°
C
I
lim
= 0.5 to 2.5 A
up conversion
down conversion
17.5
17.5
+17.5
+17.5
%
%
Power MOSFETs
R
DSon
drain-to-source on-state resistance
N-type
P-type
0.10
0.10
0.20
0.22
0.30
0.35
Efficiency
η
1
efficiency up conversion
V
I
= 3.6 V; V
O
= 4.6 V;
L1 = 10
μ
H
I
L
= 1 mA
I
L
= 200 mA
V
I
= 3.6 V; V
O
= 2.0 V;
L1 = 10
μ
H
I
L
= 1 mA
I
L
= 200 mA
88
95
%
%
η
2
efficiency down conversion
86
93
%
%
Timing
f
sw
f
sync
t
res
switching frequency
synchronization clock input frequency
response time
PWM mode
220
4
275
6.5
50
330
20
kHz
MHz
μ
s
from standby to P
0(max)
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