SI9140 Datasheet, PDF (3/15 Pages) Vishay Siliconix – SMP Controller For High Performance Process Power Supplies

Si9140
Vishay Siliconix
SPECIFICATIONS
Parameter
Symbol
Test Conditions
Unless Otherwise Specified^a
3 V ≤ V_DD ≤ 6.5 V, V_DD = V_S
GND = P_GND
Limits
C Suffix 0 to 70°C
D Suffix -40 to 85°C
Min^b
Typ
Max^b
Unit
UVLO_SET Voltage Monitor
Under Voltage Lockout
Hysteresis
UVLO Input Current
Output Drive (D_R AND D_S)
Output High Voltage
Output Low Voltage
Peak Output Current
Peak Output Current
Break-Before-Make
Logic
V_UVLOHL
V_UVLOLH
V_HYS
I_UVLO(SET)
V_OH
V_OL
I_SOURCE
I_SINK
t_BBM
UVLO_SET High to Low
UVLO_SET Low to High
V_{UVLOLH -} V_UVLOHL
V_UVLO = 0 to V_DD
V_S = V_DD = 5 V, I_OUT = -10 mA
V_S = V_DD = 5 V, I_OUT = 10 mA
V_S = V_DD = 5 V, V_OUT = 0 V
V_S = V_DD = 5 V, V_OUT = 5 V
V_DD = 6.5 V
0.85
1.0
1.15
V
1.2
175
mV
-100
100
nA
4.7
4.8
V
0.2
0.3
-380
-260
mA
200
300
40
nS
ENABLE Turn-On Delay
t_dEN
ENABLE Delay to Output, EN_LH, V_DD = 5 V
1.5
µs
ENABLE Logic Low
ENABLE Logic High
V_ENL
V_ENH
0.8 V_DD
0.2 V_DD
V
ENABLE Input Current
I_EN
ENABLE = 0 to V_DD
-1.0
1.0
µA
V_GOOD Comparator (Voltage-Good Comparator)
Input Offset Voltage
Input Hysteresis
V_OS
V_INHYS
V_IN Common Mode Voltage = V_REF, V_DD = 5 V
-45
0
10
45
mV
Input Bias Current
I_BMON
V_IN = V_REF, V_DD = 5 V
-1
0
1
µA
Output Sink I
I_SINK
V_OUT = 5 V, V_DD = 5 V
6
9
mA
Output Low Voltage
V_OL
I_OUT = 2 mA, V_DD = 5 V
350
500
mV
Supply
Supply Current-Normal Mode
Supply Current-Standby Mode
I_DD
f_OSC = 1 MHz, R_OSC = 7.50 kΩ
ENABLE < 0.4 V
1.6
2.3
mA
250
330
µA
Notes
a. 100 pF includes C_STRAY on C_OSC.
b. The algebraic convention whereby the most negative value is a minimum and the most positive a maximum, is used in this data sheet.
c. Guaranteed by design, not subject to production testing.
FaxBack 408-970-5600, request 70026
www.siliconix.com
S-58034—Rev. G, 15-Mar-99
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