ltc4557eud-trpbf Linear Technology Corporation, ltc4557eud-trpbf Datasheet - Page 2

• Manufacturer Part Number: ltc4557eud-trpbf
• Description: Dual Sim/smart Card Power Supply And Interface
• Manufacturer: Linear Technology Corporation

ELECTRICAL CHARACTERISTICS
ABSOLUTE AXI U RATI GS
LTC4557
temperature range, otherwise specifications are at T
SYMBOL
Input Power Supply
SIM Card Supplies
CLKA, CLKB
V
V
RSTA, RSTB
V
V
(Note 1)
V
ENABLE, M0, M1 to GND ............................ – 0.3V to 6V
I/OA, CLKA, RSTA ........................ – 0.3V to V
I/OB, CLKB, RSTB ........................ – 0.3V to V
I
V
Operating Temperature Range (Note 3) .. – 40 C to 85 C
Storage Temperature Range ................... – 65 C to 125
2
CCA,B
OL
OH
OL
OH
BATT
CCA,B
, DV
(Note 4) ...................................................... 80mA
Short-Circuit Duration ......................... Indefinite
CC
PARAMETER
V
I
DV
I
I
I
V
Channel Turn-On Time
Low Level Output Voltage
High Level Output Voltage
Rise, Fall Time
CLKA, CLKB Frequency
Low Level Output Voltage
High Level Output Voltage
Rise, Fall Time
VBATT
DVCC
DVCC
VBATT
BATT
CCA,B
, DATA, RSTIN, CLKIN,
CC
Operating Voltage
Operating Current
Shutdown Current
Operating Voltage
Operating Current
Shutdown Current
Output Voltage
W
W W
U
A
CONDITIONS
V
V
DV
3V Mode, 0mA < I
1.8V Mode, 0mA < I
I
Sink Current = –200 A (Note 2)
Source Current = 200 A (Note 2)
Loaded with 33pF (10% to 90%) (Note 2)
(Note 2)
Sink Current = –200 A (Note 2)
Source Current = 200 A (Note 2)
Loaded with 33pF (10% to 90%) (Note 2)
CCA
CCB
CCA,B
CCA
CCA
= 25 C. V
CC
= 3V, V
= 1.8V, V
+ 0.3V
+ 0.3V
= 0V
= 0mA,
The
BATT
CCB
denotes the specifications which apply over the full operating
CCB
= 0V, I
ENABLE to
= 3.3V, DV
CCA,B
= 0V, I
PACKAGE/ORDER I FOR ATIO
Consult LTC Marketing for parts specified with wider operating temperature ranges.
CCA,B
T
V
DV
16-LEAD (3mm 3mm) PLASTIC QFN
V
V
JMAX
CCA
BATT
< 50mA
CCB
CCA
CCA
CC
< 3OmA
EXPOSED PAD (PIN 17) IS GND
(MUST BE SOLDERED TO PCB)
= 125 C,
= I
1
2
3
4
= I
CCB
CC
CCB
16 15 14 13
5
I
UD PACKAGE
OA/B
= 1.8V, unless otherwise specified.
= 0 A
TOP VIEW
JA
= 0 A
6
17
= 68 C/W,
7
8
12
11
10
9
JC
= 42 C/W
M0
M1
CLKIN
RSTIN
V
V
CCA,B
CCA,B
2.75
1.65
MIN
2.7
1.2
0.2
0.2
10
U
–
–
UD PART MARKING
TYP
ORDER PART
LTC4557EUD
0.1
0.4
0.1
3.0
1.8
1.3
65
65
6
NUMBER
LAHP
W
MAX
3.25
1.95
100
100
100
5.5
5.5
2.5
1.0
2.5
0.2
0.2
10
16
1
UNITS
U
MHz
4557f
ms
ns
ns
V
A
A
V
A
A
A
A
V
V
V
V
V
V