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DS8207L/M-08 September 2016www.richtek.com
RT8207L/M
©
Copyright 2016 Richtek Technology Corporation. All rights reserved. is a registered trademark of Richtek Technology Corporation.
Parameter Symbol Test Conditions Min Typ Max Unit
Driver On-Resistance
UGATE Driver Source R
UGATEsr
BOOT PHASE Forced to 5V -- 2.5 5
UGATE Driver Sink R
UGATEsk
BOOT PHASE Forced to 5V -- 1.5 3
LGATE Driver Source R
LGATEsr
DL, High State -- 2.5 5
LGATE Driver Sink R
LGATEsk
DL, Low State -- 0.8 1.6
LGATE Rising (PHASE = 1.5V) -- 40 --
Dead Time
UGATE Rising -- 40 --
ns
Internal Boost Charging
Switch On Resistance
VDDP to BOOT, 10mA -- -- 80
Logic I/O
Logic Input Low Voltage S3, S5 Low -- -- 0.8 V
Logic Input High Voltage S3, S5 High 2 -- -- V
Logic Input Current S3, S5 = VDD/GND 1 0 1 A
PGOOD (upper side threshold decide by Over Voltage threshold)
Trip Threshold (Falling)
Measured at FB, with respect to
reference, no load
13 10 7 %
Trip Threshold (Hysteresis) -- 3 -- %
Fault Propagation Delay
Falling edge, FB forced below
PGOOD trip threshold
-- 2.5 -- s
Output Low Voltage I
SINK
= 1mA -- -- 0.4 V
Leakage Current I
LEAK
High state, forced to 5V -- -- 1 A
VTT LDO
V
VDD Q
= V
LDOIN
= 1.2V/1.35/1.5V/1.8V,
I
VTT
= 0A
20 -- 20
V
VDD Q
= V
LDOIN
= 1.2V/1.35/1.5V/1.8V,
I
VTT
< 1A
30 -- 30
V
VDD Q
= V
LDOIN
= 1.2V/1.35,
I
VTT
< 1.2A
40 -- 40
VTT Output Tolerance V
VTTTOL
V
VDD Q
= V
LDOIN
= 1.5V/1.8V,
I
VTT
< 1.5A
40 -- 40
mV
VDDQ
TT
V
V0.95
2
PGOOD = High
1.6 2.6 3.6
VTT Source Current Limit I
VTTOCLSRC
V
TT
= 0V -- 1.3 --
A
VDDQ
TT
V
V1.05
2
,
PGOOD = High
1.6 2.6 3.6
VTT Sink Current Limit I
VTTOCLSNK
V
TT
= V
VDD Q
-- 1.3 --
A
VTT Leakage Current I
VTTLK
S5 = 5V, S3 = 0V,
VDDQ
TT
V
V
2
10 -- 10 A
VTTSNS Leakage Current I
VTTSNSLK
I
SINK
= 1mA 1 -- 1 A
VTT Discharge Current I
DSCHRG
V
VDD Q
= 0V, V
TT
= 0.5V, S5 = S3 =0V 10 30 -- mA
