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参数资料
| 型号： | TPS40021PWP |
| 厂商： | TEXAS INSTRUMENTS INC |
| 元件分类： | 稳压器 |
| 英文描述： | 0.01 A SWITCHING CONTROLLER, 1100 kHz SWITCHING FREQ-MAX, PDSO16 |
| 封装： | GREEN, PLASTIC, HTSSOP-16 |
| 文件页数： | 32/36页 |
| 文件大小： | 724K |
| 代理商： | TPS40021PWP |
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TPS40020
TPS40021
SLUS535D MARCH 2003 REVISED JULY 2007
www.ti.com
5
ELECTRICAL CHARACTERISTICS (continued)
TJ = 40°C to 85°C, TJ = TA, VDD = 5.0 V (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
SHUTDOWN
VSD
Shutdown threshold voltage
0.22
0.26
0.29
V
VEN
Device enable threshold voltage
0.25
0.28
0.32
V
OUTPUT DRIVER
RHDHI
High-side driver pull-up resistance
V(BOOT1) V(SW) = 3.3 V,
ISOURCE = 100mA
1.0
2.5
5.0
RHDLO High-side driver pull-down resistance
V(BOOT1) V(SW) = 3.3 V,
ISINK =100mA
0.8
1.5
3.0
RLDHI
Low-side driver pull-up resistance
PVDD = 3.3 V, ISOURCE =100 mA
1.0
2.5
5.0
RLDLO
Low-side driver pull-down resistance
PVDD = 3.3 V, ISINK =100 mA
0.45
0.80
1.50
tLRISE
Low-side driver rise time
15
35
tLFALL
Low-side driver fall time
CLOAD = 1 nF
10
25
ns
tHRISE High-side driver rise time
CLOAD = 1 nF
15
35
ns
tHFALL
High-side driver fall time
10
25
THERMAL SHUTDOWN
TSD
Shutdown temperature(1)
165
°C
TSD
Hysteresis(1)
15
°C
CHARGE PUMP
RVB2
RDS(on) VDD to BOOT2
VDD = 5.0 V,
ISOURCE =10 mA
2.8
6.6
10.4
RB2P
RDS(on) BOOT2 to PVDD
VDD = 5.0 V,
ISOURCE =10 mA
2.8
5.6
8.4
RPB1
RDS(on) PVDD to BOOT1
VDD = 5.0 V,
ISOURCE =10 mA
2.9
5.9
8.9
POWER GOOD
VPGD
Pull-down voltage
VOSNS = 0.8 V,
IPWRGD =0.5 mA,
VDD = 3.3 V
50
90
140
mV
tONHPL
Output sense high to power good low delay
time
0.7 V
≤ VOSNS ≤ 0.8 V, IPWRGD =0.5 mA,
VDD = 3.3 V
6
10
14
tONLPL
Output sense low to power good low delay
time
0.6 V
≤ VOSNS ≤ 0.7 V, IPWRGD =0.5 mA,
VDD = 3.3 V
6
10
14
s
tSDHPH Shutdown high to power good high delay time
VOSNS = 0.7 V, IPWRGD =0.5 mA,
VDD = 3.3 V, 0.0 V ≤ VSS/SD ≤ 0.4 V
2
4
6
s
tSDLPL Shutdown low to power good low delay time
VOSNS = 0.7 V, IPWRGD =0.5 mA,
VDD = 3.3 V, 0.0 V ≤ VSS/SD ≤ 0.4 V
0.5
1.5
3.0
tONHPH
Output sense high to nominal to power good
high delay time
0.7 V
≤ VOSNS ≤ 0.8 V, IPWRGD =0.5 mA,
VDD = 3.3 V
140
500
1000
ns
tONLPH
Output sense low to nominal to power good
high delay time
0.6 V
≤ VOSNS ≤ 0.7 V, IPWRGD =0.5 mA,
VDD = 3.3 V
140
500
1000
ns
TRANSIENT COMPARATORS
VOV
Overvoltage output threshold voltage
23
29
35
VOV
Hysteresis
Referenced to VFB
8
15
22
mV
VUV
Undervoltage output threshold voltage
Referenced to VFB
37
31
25
mV
VUV
Hysteresis
8
15
22
VDIS
OSNS minimum disable voltage
Referenced to VDD
0.5
V
(1) Ensured by design. Not production tested.
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