SC1211 데이터 시트보기 (PDF) - Semtech Corporation
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SC1211 Datasheet PDF : 11 Pages
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SC1211
POWER MANAGEMENT
Electrical Characteristics (Cont.)
Unless specified: TA = 25°C; VIN = 12V; VREG = 8.5V
Parameter
Symbol
CO
Logic High Input Voltage
Logic Low Input Voltage
Thermal Shutdown
VCO_H
VCO_L
Over Temperature Trip Point
Hysteresis
High Side Driver (TG)
TOTP
THYST
Output Impedance
Rise Time
Fall Time
Propagation Delay, TG Going High
Propagation Delay, TG Going Low
Low-Side Driver (BG)
RSRC_TG
RSINK_TG
tR_TG
tF_TG
tPDH_TG
tPDL_TG
Output Impedance
Rise Time
Fall Time
Propagation Delay, BG Going High
Propagation Delay, BG Going Low
BG Minimum Off-time (1)
Under-Voltage-Lockout Time Delay
RSRC_BG
RSINK_BG
tR_BG
tF_BG
tPDH_BG
tPDL_BG
tOFF_BG
VREG ramping up
VREG ramping down
tPDH_UVLO
tPDL_UVLO
NOTE:
(1) Guaranteed by design.
Conditions
VBST - VDRN = 8.5V
CL = 3.3nF, VBST - VDRN = 8.5V
CL = 3.3nF, VBST - VDRN = 8.5V
VBST - VDRN = 8.5V
VBST - VDRN = 8.5V
VREG = 8.5V
CL = 3.3nF, VREG = 8.5V
CL = 3.3nF, VREG = 8.5V
VREG = 8.5V
VREG = 8.5V
Min Typ Max Units
2.0
V
0.8
V
155
°C
10
°C
1.5
3.0
Ω
1.0
2.0
15
ns
10
ns
37
ns
30
ns
1.5
3.0
Ω
1.5
3.0
10
ns
10
ns
20
ns
27
ns
75
ns
2
µs
2
µs
2003 Semtech Corp.
4
www.semtech.com
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