![](http://datasheet.mmic.net.cn/330000/LTC3204_datasheet_16430287/LTC3204_2.png)
LTC3204-3.3/LTC3204-5/
LTC3204B-3.3/LTC3204B-5
2
3204fa
ABSOLUTE
(Note 1)
AXW
W
RATIU
W
FOW
ORDER PART
NUMBER
LTC3204EDC-3.3
LTC3204EDC-5
LTC3204BEDC-3.3
LTC3204BEDC-5
PACKAGE/ORDER IU
U
ELECTRICAL CHARACTERISTICS
temperature range. Specifications are at T
A
= 25°C, V
IN
= 2.4V (LTC3204-3.3/LTC3204B-3.3) or 3.6V (LTC3204-5/LTC3204B-5),
S
H
D
N = V
IN
, C
FLY
= 2.2μF, C
IN
= 2.2μF, C
OUT
= 2.2μF unless otherwise noted.
SYMBOL
V
IN
V
OUT
I
IN
I
S
H
D
N
I
BURST
V
R
η
f
OSC
V
IH
V
IL
I
IH
I
IL
R
OL
I
LIM
T
SS
Note 1:
Absolute Maximum Ratings are those beyond which the life of a
device may be impaired.
Note 2
: The LTC3204-3.3/LTC3204-5/LTC3204B-3.3/LTC3204B-5 are
guaranteed to meet performance specifications from 0°C to 70°C.
PARAMETER
Input Voltage Range
Output Voltage Range
No Load Input Current
Shutdown Current
Burst Mode Threshold
Output Ripple
Efficiency
Switching Frequency
S
H
D
N Input Threshold
S
H
D
N Input Threshold
S
H
D
N Input Current
S
H
D
N Input Current
Effective Open-Loop Output
Resistance (Note 3)
Output Current Limit
Soft-Start Time
CONDITIONS
(LTC3204-3.3/LTC3204B-3.3)
(LTC3204-5/LTC3204B-5)
1.8V < V
IN
< 4.5V, I
OUT
< 40mA
1.9V < V
IN
< 4.5V, I
OUT
< 50mA (LTC3204-3.3/LTC3204B-3.3)
2.7V < V
IN
< 5.5V, I
OUT
< 65mA
3.1V < V
IN
< 5.5V, I
OUT
< 150mA (LTC3204-5/LTC3204B-5)
I
OUT
= 0 (LTC3204-3.3)
I
OUT
= 0 (LTC3204-5)
I
OUT
= 0 (LTC3204B-3.3)
I
OUT
= 0 (LTC3204B-5)
S
H
D
N = 0V, V
OUT
= 0V
(LTC3204-3.3)
(LTC3204-5)
I
OUT
= 100mA
V
IN
= 3V, I
OUT
= 100mA (LTC3204-5/LTC3204B-5)
S
H
D
N = 0V
V
IN
= 1.8V, V
OUT
= 3V (LTC3204-3.3/LTC3204B-3.3)
V
IN
= 2.7V, V
OUT
= 4.5V (LTC3204-5/LTC3204B-5)
V
OUT
= OV
From the Rising Edge of
S
H
D
N to 90% of V
OUT
MIN
1.8
2.7
3.168
4.8
0.6
1.3
–1
–1
TYP
3.3
5
48
60
1.25
3.6
15
20
20
82
1.2
7
6
300
0.75
MAX
4.5
5.5
3.432
5.2
1
1.8
0.4
1
1
UNITS
●
●
V
V
●
V
●
●
●
●
●
●
V
μA
μA
mA
mA
μA
mA
mA
mV
P-P
%
MHz
V
V
μA
μA
Ω
Ω
mA
ms
V
IN
to GND ...................................................–0.3V to 6V
V
OUT
to GND .............................................–0.3V to 5.5V
S
H
D
N to GND ..............................................–0.3V to 6V
V
OUT
Short-Circuit Duration .............................Indefinite
Operating Temperature Range (Note 2) ...–40°C to 85°C
Storage Temperature Range ................. –65°C to 125°C
Maximum Junction Temperature ..........................125°C
The
●
denotes the specifications which apply over the full operating
Specifications over the –40°C to 85°C operating temperature range are
assured by design, characterization and correlation with statistical process
controls.
Note 3:
R
OL
≡
(2V
IN
– V
OUT
)/I
OUT
Consult LTC Marketing for parts specified with wider operating temperature ranges.
DC PART
MARKING
LBJV
LBNK
LBVF
LBVG
T
= 125°C,
θ
= 80°C/W
EXPOSED PAD IS GND (PIN 7)
MUST BE SOLDERED TO PCB
TOP VIEW
DC PACKAGE
6-LEAD (2mm
×
2mm) PLASTIC DFN
4
5
6
7
3
2
1
GND
V
IN
V
OUT
SHDN
C
–
C
+