SI9135 Datasheet, PDF (3/14 Pages) Vishay Siliconix – SMBus Multi-Output Power-Supply Controller

New Product
Si9135
Vishay Siliconix
SPECIFICATIONS
Parameter
Test Conditions
V_IN = 15 V , I_VL = I_REF = 0 mA
T_A = 0°C to 90°C, All Converters ON
Min^a
Limits
Typ^b
Reference
REF Output
No External Load
3.24
3.30
REF Load Regulation
0 to 1 mA
30
Supply Current
Supply Current–Shutdown
All Converters OFF, No Load
35
Supply Current–Operation
Oscillator
All Converters ON, No Load, F_OCS = 200 kHz
1100
Oscillator Frequency
SYNC High-Pulse Width
SYNC tied to REF
SYNC tied to GND or V_L
270
300
180
200
200
SYNC Low-Pulse Width
200
SYNC Rise/Fall Range
SYNC V_IL
SYNC V_IH
Oscillator SYNC Range
V_L - 0.5
250
Maximum Duty Cycle
SYNC tied to GND or V_L
SYNC tied to REF
92
95
89
92
Outputs
Gate Driver Sink/Source Current (Buck)
DL3, DH3, DL5, DH5 Forced to 2 V
1
Gate Driver On-Resistance (Buck)
High or Low
2
Gate Driver Sink/Source Current
(Flyback)
DHFY, DLFY Forced to 2 V
0.2
Gate Driver On-Resistance (Flyback)
High or Low
SCL, SDA
V_IL
V_IH
1.4
Notes
a. The algebraic convention whereby the most negative value is a minimum and the most positive a maximum.
b. Typical values are for DESIGN AID ONLY, not guaranteed nor subject to production testing.
Max^a
3.36
75
60
1800
330
220
200
0.8
400
7
15
0.6
Unit
V
mV
µA
kHz
nsec
V
kHz
%
A
Ω
A
Ω
V
FaxBack 408-970-5600, request 70817
www.siliconix.com
S-60752—Rev. B, 05-Apr-99
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