SI9169_07 VISHAY [Vishay Siliconix], SI9169_07 Datasheet - Page 2

• Manufacturer Part Number: SI9169_07
• Description: High Frequency 1-A Synchronous Buck/Boost Converter
• Manufacturer: VISHAY [Vishay Siliconix]

Si9169
Vishay Siliconix
Notes:
a. Device Mounted with all leads soldered or welded to PC board.
b. Derate 11 mW/°C above 60 °C.
c. With Pin 1 connected to GND plane.
Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional operation
of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to absolute maximum
rating conditions for extended periods may affect device reliability.
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2
ABSOLUTE MAXIMUM RATINGS
Parameter
Voltages Referenced to GND
V
MODE PWM/PSM, SYNC, SD, V
V
PGND
Voltages Referenced to PGND
V
COIL
Peak Output Current
Continuous Output Current
Storage Temperature Range
Operating Junction Temperature
Power Dissipation (Package)
Thermal Impedance (Θ
RECOMMENDED OPERATING CONDITIONS
Parameter
Voltages Referenced to GND
V
MODE, PWM/PSM, SYNC, SD
Voltages Referenced to PGND
V
F
R
V
SPECIFICATIONS
Parameter
Reference
Output Voltage
Load Regulation
Power Supply Rejection
UVLO
Under Voltage Lockout (turn-on)
Hysteresis
Soft-Start Time
SS Time
Mode
Logic High
Logic Low
Input Current
OSC
DD
O
S
DD
S
REF
OSC
, V
, V
IN/OUT
IN/OUT
Capacitor
JA
)
a
REF
, R
OSC
V
Symbol
ΔV
UVLO/LH
, COMP, FB
P
V
V
V
t
V
SRR
HYS
REF
SS
I
REF
IH
L
IL
20-Pin TSSOP (Q Suffix)
20-Pin TSSOP
V
Unless Otherwise Specified
DD
V
IN/OUT
= 3.3 V, - 500 µA < I
T
V
2.7 V < V
A
Test Conditions
UVLOLH
= 25 °C, I
= 3.3 V, V
I
REF
c
- V
= 0 A
DD
REF
UVLOHL
< 6 V,
S
b
= 3.3 V
= 0
REF
< 0
- 0.4 V to V
- 0.3 V to V
- 0.3 V to V
200 kHz to 2 MHz
25 kΩ to 300 kΩ
2.7 V to 6 V V
3 A for 1 ms
2.7 V to 6 V
- 65 to 150
0 V to V
0.7 V
1.265
1.280
Min
- 1.0
Limit
Limit
± 0.3
2.3
150
6.5
6.5
1.4
1.0
0.1
IN/OUT
90
DD
a
DD
S
DD
+ 0.3 V
+ 0.3 V
+ 0.4 V
Limits
Typ
S-72058-Rev. E, 08-Oct-07
1.3
1.3
2.4
0.1
60
Document Number: 70945
3
6
b
e
0.3 V
Max
1.330
1.320
2.5
1.0
DD
a
°C/W
Unit
Unit
°C
W
kΩ
µF
V
V
A
V
V
Unit
mV
ms
dB
µA
V
V
V