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| TPS23751_15 Datasheet, PDF (8/52 Pages) Texas Instruments – Wide Range High Efficiency DC-DC Controller | |||
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TPS23751, TPS23752
SLVSB97D â JULY 2012 â REVISED JANUARY 2016
www.ti.com
6.7 Electrical Characteristics - Sleep Mode (TPS23752 Only)
Unless otherwise noted, 40 V ⤠VDD ⤠57 V; VCTL = VMODE = VSLPb = VB; VSRT = 0.5 V; VAPD = VCS = VARTN = VRTN; CLS, GATE,
LED, SRD, T2P open; RWAKE = 392 kâ¦; RDEN = 24.9 kΩ; RT = 34 kΩ; CVB = CVC = 0.1 µF;
â40 ⤠TJ ⤠125°C. Typical values are at 25°C. All voltages referred to VSS.
VDD = 48 V, VAPD = VARTN = VRTN = VVSS, VVC = 13 V
PARAMETER
TEST CONDITIONS
MIN TYP MAX UNIT
SLPb
SLPb threshold
Input pullup current
VSLPb falling until ILEDâ
1.10 1.66 2.10 V
4
5.7
8 µA
MODE
MODE threshold
MODE hysteresis (1)
MODE falling unti ILED â
1.10 1.66 2.10 V
1.6
V
Input pullup current
4
5.7
8 µA
WAKE
Output voltage
Sleep mode
2.43 2.50 2.57 V
RWKPLUP Pull-up resistance
LED
3.95 5.33 6.88 kΩ
Output low voltage
Leakage current
SLEEP SUPPLY CURRENT
SLPb â, ILED = 10 mA
VLED = 18 V
0.60 0.90 1.50 V
10 µA
Sleep supply current when
APD is enabled
VAPD = 2 V; SLPb â, measure IVDD
0.5
1 mA
MPS supply current
MPS pulsed mode duty
cycle
Pulsed mode: VMODE = 0 V; SLPb â,
Measure IVDD 0 ⤠ILED ⤠10 mA
DC mode: VMODE = VB, then SLPb â,
Measure IVDD 0 ⤠ILED ⤠10 mA
MPS pulsed current duty cycle
MPS pulsed current ON time
MPS pulsed current OFF time
10.0 10.6 11.5 mApk
10.0 10.6 11.5 mA
28.80% 28.88% 28.95%
75 87.5
ms
215
250 ms
(1) Parameters provided for reference only, and do not constitute part of TI published specifications for purposes of TI product warranty.
8
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Copyright © 2012â2016, Texas Instruments Incorporated
Product Folder Links: TPS23751 TPS23752
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