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ZHCSHL4I October 2008 – December 2017 TPS23754 , TPS23754-1 , TPS23756

PRODUCTION DATA.

封裝選項

請參考 PDF 數(shù)據(jù)表獲取器件具體的封裝圖。

機械數(shù)據(jù) (封裝 | 引腳)

PWP|20

散熱焊盤機械數(shù)據(jù) (封裝 | 引腳)

PWP|20
- PPTD027AA

訂購信息

6.6 Electrical Characteristics: PoE and Control

[V_DD = V_DD1] or [V_DD1 = RTN], V_C = RTN, COM = RTN = ARTN, all voltages referred to V_SS unless otherwise noted

PARAMETER		TEST CONDITIONS	MIN	TYP	MAX	UNIT
DETECTION (DEN)		(VDD = VDD1 = RTN = V_SUPPLY positive)
	Detection current	Measure I_SUPPLY
		V_DD = 1.6 V	62	64.3	66.5	μA
		V_DD = 10 V	399	406	414	μA
	Detection bias current	V_DD = 10 V, float DEN, measure I_SUPPLY, Note: Not during Mark state		5.6	10	μA
V_{PD_DIS}	Hotswap disable threshold		3	4	5	V
	DEN leakage current	V_DEN = V_DD = 57 V, float V_DD1 and RTN, measure I_DEN		0.1	5	μA
CLASSIFICATION (CLS)		(V_DD = V_DD1 = RTN = V_SUPPLY positive)
I_CLS	Classification current, applies to both cycles	13 V ≤ V_DD ≤ 21 V, Measure I_SUPPLY				mA
		R_CLS = 1270 Ω	1.8	2.1	2.4
		R_CLS = 243 Ω	9.9	10.4	10.9
		R_CLS = 137 Ω	17.6	18.5	19.4
		R_CLS = 90.9 Ω	26.5	27.7	29.3
		R_CLS = 63.4 Ω	38	39.7	42
	Classification mark resistance	5.6 V ≤ V_DD ≤ 9.4 V	7.5	9.7	12	kΩ
V_{CL_ON}	Classification regulator lower threshold	Regulator turns on, V_DD rising	11.2	11.9	12.6	V
V_{CL_H}	Classification regulator lower threshold	Hysteresis⁽¹⁾	1.55	1.65	1.75	V
V_{CU_OFF}	Classification regulator upper threshold	Regulator turns off, V_DD rising	21	22	23	V
V_{CU_H}	Classification regulator upper threshold	Hysteresis⁽¹⁾	0.5	0.75	1	V
V_MSR	Mark state reset	V_DD falling	3	4	5	V
	Leakage current	V_DD = 57 V, V_CLS = 0 V, DEN = V_SS, measure I_CLS			1	μA
PASS DEVICE (RTN)		(V_DD1 = RTN)
	On resistance		0.25	0.43	0.75	Ω
	Current limit	V_RTN = 1.5 V, V_DD = 48 V, pulsed measurement	850	970	1100	mA
	Inrush limit	V_RTN = 2 V, V_DD: 0 V → 48 V, pulsed measurement	100	140	180	mA
	Foldback voltage threshold	V_DD rising	11	12.3	13.6	V
UVLO
V_{UVLO_R}	UVLO threshold	V_DD rising	33.9	35	36.1	V
V_{UVLO_H}	UVLO threshold	Hysteresis⁽¹⁾	4.4	4.55	4.76	V
T2P
	ON characteristic	Perform classification algorithm, V_T2P-RTN = 1 V, CTL = ARTN	2			mA
	Leakage current	V_T2P = 18 V, CTL = V_B			10	μA
THERMAL SHUTDOWN
	Turnoff temperature	T_J rising	135	145	155	°C
	Hysteresis⁽²⁾			20		°C

(1) The hysteresis tolerance tracks the rising threshold for a given device.

(2) These parameters are provided for reference only, and do not constitute part of TI's published specifications for purposes of TI's product warranty.