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参数资料
型号： TPS40130RHBR
厂商： TEXAS INSTRUMENTS INC
元件分类： 稳压器
英文描述： SWITCHING CONTROLLER, 1200 kHz SWITCHING FREQ-MAX, PQCC32
封装： GREEN, PLASTIC, QFN-32
文件页数： 34/38页
文件大小： 950K
代理商： TPS40130RHBR
www.ti.com
TPS40130
SLUS602B – JUNE 2004 – REVISED SEPTEMBER 2005
ELECTRICAL CHARACTERISTICS (continued)
T
A = -40°C to 85°C, VIN = 12 V, RRT = 64.9 k, TJ = TA (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
SOFT START
32 clocks after EN/SYNC before SS current
ISS
Soft-start source current
3.5
5.0
6.5
A
begins
VSS
Fault enable threshold voltage
0.95
1.00
1.05
V
CURRENT SENSE AMPLIFIER
Input offset voltage
CS1, CS2
-5
4
10
mV
Gain transfer to PWM comparator
-100 mV
≤ V
CS≤ 100 mV, VCSRT = 1.5 V
5.1
5.6
6.1
V/V
Transconductance to DROOP
VCS - VCSRTn = 100 mV
40
A
Gain variance between phases
VCS - VCSRTn = 100 mV
-4%
0
4%
Input offset variance
VCS = 0 V
-3.5
0
3.5
mV
Offset current at DROOP
VCS - VCSRTn = 0 V
6
A
Input common mode (2)
0
VBP5-0.7
V
Bandwidth(2)
18
MHz
DIFFERENTIAL AMPLIFIER
Gain
1
V/V
Gain tolerance
VOUT = 4 V vs VOUT = 0.7 V, VGSNS = 0 V
-0.5%
0.5%
CMRR
Common mode rejection ratio(2)
0.7 V
≤ V
OUT ≤ 4.0 V
60
dB
Output source current
VOUT - VGSNS = 2.0 V, VDIFFO≥ 1.98 V
2
4
mA
Output sink current
VOUT - VGSNS = 2.0 V, VDIFFO≥ 2.02 V
2
4
Input offset voltage(2)
0.7 V
≤ V
OUT ≤ 4.0 V
5
mV
Bandwidth(2)
5
MHz
Input impedance, non-inverting(2)
VOUT to GND
40
k
Input impedance, inverting(2)
VGSNS to VDIFFO
40
GATE DRIVERS
Source on-resistance, HDRV1,
VBOOT1 = 5 V, VBOOT2 = 5 V, VSW1 = 0 V,
1.0
2.0
3.5
HDRV2
VSW2 = 0 V, Sourcing 100 mA
VBOOT1 = 5 V, VBOOT2 = 5 V, VVIN5 = 5 V,
Sink on-resistance, HDRV1, HDRV2
0.5
1.0
2.0
VSW1 = 0 V, VSW2 = 0 V, Sinking 100 mA
Source on-resistance, LDRV1,
VVIN5 = 5 V, VSW1 = 0 V, VSW2 = 0 V,
1
2
3.5
LDRV2
Sourcing 100 mA
VVIN5 = 5 V, VSW1 = 0 V, VSW2 = 0 V,
Sink on-resistance, LDRV1, LDRV2
0.30
0.75
1.50
Sinking 100 mA
tRISE
Rise time, HDRV(2)
CLOAD = 3.3 nF
25
75
tFALL
Fall time, HDRV(2)
CLOAD = 3.3 nF
25
75
tRISE
Rise time, LDRV(2)
CLOAD = 3.3 nF
25
75
tFALL
Fall time, LDRV(2)
CLOAD = 3.3 nF
25
60
ns
SW falling to LDRV rising
50
tDEAD
Dead time(2)
LDRV falling to SW rising
30
tON
Minimum controllable on-time(2)
CLOAD = 3.3 nF
150
OUTPUT UNDERVOLTAGE FAULT
VFB relative to GND
560
588
610
mV
Undervoltage fault threshold
VFB relative to VVREF
-20%
-16%
-13%
OUTPUT OVERVOLTAGE SET
VOVSET relative to GND
796
817
832
mV
Overvoltage threshold
VOVSET relative to VVREF
14%
16%
19%
(2)
Ensured by design. Not production tested.
5
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