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TPS2660 データシート(PDF) 8 Page - Texas Instruments

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部品番号 TPS2660
部品情報  TPS2660x 60-V, 2-A Industrial eFuse with Integrated Reverse Input Polarity Protection
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メーカー  TI1 [Texas Instruments]
ホームページ  http://www.ti.com
Logo TI1 - Texas Instruments

TPS2660 データシート(HTML) 8 Page - Texas Instruments

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TPS2660
SLVSDG2A – JULY 2016 – REVISED AUGUST 2016
www.ti.com
Product Folder Links: TPS2660
Submit Documentation Feedback
Copyright © 2016, Texas Instruments Incorporated
7.6 Timing Requirements
–40°C
≤ TA = TJ ≤ +125°C, V(IN) = 24 V, V(SHDN) = 2 V, R(ILIM) = 120 kΩ, IMON = FLT = OPEN, C(OUT) = 1 μF, C(dVdT) = OPEN.
(All voltages referenced to GND, (unless otherwise noted))
MIN
NOM
MAX
UNIT
IN and UVLO INPUT
UVLO_tON(dly)
UVLO turnon delay
UVLO
↑ (100 mV above V(UVLOR)) to V(OUT) = 100 mV,
C(dvdt) = open
250
µs
UVLO
↑ (100 mV above V(UVLOR)) to V(OUT) = 100 mV,
C(dvdt) ≥ 10 nF, [C(dvdt) in nF]
250 +
14.5 ×
C(dvdt)
µs
UVLO_toff(dly)
UVLO turnoff delay
UVLO
↓ (100 mV below V(UVLOF)) to FLT↓
10
µs
SHUTDOWN CONTROL INPUT (SHDN)
tSD(dly)
SHUTDOWN exit delay
SHDN
↑ to V(OUT) = 100 mV, C(dvdt) ≥ 10 nF, [C(dvdt) in nF]
250 +
14.5 ×
C(dvdt)
µs
SHDN
↑ to V(OUT) = 100 mV, C(dvdt) = open
250
µs
SHUTDOWN entry
delay
SHDN
↓ (below V(SHUTF)) to FLT↓
10
µs
OVER VOLTAGE PROTECTION INPUT (OVP)
tOVP(dly)
OVP exit delay
OVP
↓ (20 mV below V(OVPF)) to V(OUT) = 100 mV,
TPS26600 & TPS26601 only
200
µs
OVP disable delay
OVP
↑ (20 mV above V(OVPR)) to FLT↓, TPS26600 and
TPS26601 only
6
µs
CURRENT LIMIT
tFASTTRIP(dly)
Fast-trip comparator
delay
I(OUT) > I(FASTRIP)
250
ns
REVERSE PROTECTION COMPARATOR
tREV(dly)
Reverse protection
comparator delay
(V(IN) – V(OUT))↓ (100 mV overdrive below V(REVTH)) to
internal FET turn OFF
1.5
µs
(V(IN) – V(OUT))↓ (10 mV overdrive below V(REVTH)) to
FLT
45
tFWD(dly)
(V(IN) – V(OUT))↑ (10 mV overdrive above V(FWDTH)) to
FLT
70
THERMAL SHUTDOWN
tretry
Retry delay in TSD
512
ms
OUTPUT RAMP CONTROL (dVdT)
tdVdT
Output ramp time
SHDN
↑ to V(OUT) = 23.9 V, with C(dVdT) = 47 nF
10
ms
SHDN
↑ to V(OUT) = 23.9 V, with C(dVdT) = open
1.6
FAULT FLAG (FLT)
tCB(dly)
FLT assertion delay in
circuit breaker mode
MODE = OPEN, delay from I(OUT) > I(OL) to FLT↓
4
ms
tCBretry(dly)
Retry delay in circuit
breaker mode
MODE = OPEN
540
ms
tPGOODF
PGOOD delay (de-
glitch) time
Falling edge
875
µs
tPGOODR
Rising edge, C(dVdT) = open
1400
Rising egde, C(dVdT) ≥ 10 nF, [C(dvdt) in nF]
875 +
20 ×
C(dVdT)


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