SLUS507C 鈭?JANUARY 2002 鈭?REVISED JUNE 2004
TPS40000, TPS40001
TPS40002, TPS40003
TPS40004, TPS40005
ELECTRICAL CHARACTERISTICS
over recommended operating temperature range, T
A
= 鈭?0_C to 85_C, V
DD
= 5.0 V, all parameters measured at zero
power dissipation (unless otherwise noted)
input supply
PARAMETER
VDD
VHGATE
IDD
UVLO
Input voltage range
High-side gate voltage
Shutdown current
Quiescent current
Switching current
Minimum on-voltage
Hysteresis
VBOOT 鈭?VSW
SS/SD = 0 V,
FB = 0.8 V
No load at HDRV/LDRV
1.95
80
Outputs off
TEST CONDITIONS
MIN
2.25
0.25
1.4
1.5
2.05
140
TYP
MAX
5.5
5.5
0.45
2.0
4.0
2.15
200
V
mV
mA
V
UNIT
oscillator
PARAMETER
TPS40000
TPS40001
TPS40004
fOSC
Oscillator frequency
TPS40002
TPS40003
TPS40005
TEST CONDITIONS
MIN
250
2.25 V
鈮?/div>
VDD
鈮?/div>
5.00 V
500
VPEAK 鈭?VVALLEY
0.80
0.24
600
0.93
0.31
700
1.07
0.41
V
TYP
300
MAX
350
kHz
UNIT
VRAMP
Ramp voltage
Ramp valley voltage
PWM
PARAMETER
TPS40000
TPS40001
TPS40004
TPS40002
TPS40003
TPS40005
FB = 0 V,
VDD = 3.3 V
83%
93%
97%
0%
TEST CONDITIONS
MIN
87%
TYP
94%
MAX
97%
UNIT
Maximum duty cycle(2)
Minimum duty cycle
error amplifier
PARAMETER
Line,
VFB
FB input voltage
FB input bias current
VOH
VOL
IOH
IOL
GBW
High-level output voltage
Low-level output voltage
Output source current
Output sink current
Gain bandwidth(1)
FB = 0 V,
FB =VDD,
COMP = 0.7 V,
COMP = 0.7 V,
IOH = 0.5 mA
IOL = 0.5 mA
FB = GND
FB = VDD
2.0
2
3
5
55
TA = 25擄C
TEST CONDITIONS
Temperature
MIN
0.689
0.693
TYP
0.700
0.700
30
2.5
0.08
6
8
10
85
mA
MHz
dB
0.15
V
MAX
0.711
0.707
130
V
nA
UNIT
AOL
Open loop gain
(1) Ensured by design. Not production tested.
(2) At VDD input voltage of 2.25 V, derate the maximum duty cycle by 3%.
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