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ZHCSEL2B December 2015 – September 2024 TPS563201 , TPS563208

PRODUCTION DATA

封装选项

机械数据 (封装 | 引脚)

DDC|6
- MPDS124I

散热焊盘机械数据 (封装 | 引脚)

订购信息

zhcsel2b_oa

5.5 Electrical Characteristics

T_J = –40°C to 125°C, V_IN = 12 V (unless otherwise noted)

PARAMETER		TEST CONDITIONS		MIN	TYP	MAX	UNIT
SUPPLY CURRENT
I_VIN	Operating – non-switching supply current	V_IN current, EN = 5 V, V_FB = 0.9 V	TPS563201		120	200	µA
I_VIN	Operating – non-switching supply current	V_IN current, EN = 5 V, V_FB = 0.9 V	TPS563208		350	500	µA
I_VINSDN	Shutdown supply current	V_IN current, EN = 0 V			8	20	µA
LOGIC THRESHOLD
V_ENH	EN high-level input voltage			1.6			V
V_ENL	EN low-level input voltage					0.8	V
R_EN	EN pin resistance to GND	V_EN = 1.5 V		600	1500	2400	kΩ
I_EN	EN pulldown current	V_EN = 1.5 V			1		µA
V_FB VOLTAGE AND DISCHARGE RESISTANCE
V_FBTH	V_FB threshold voltage ⁽¹⁾	V_O = 1.05 V, I_O = 10 mA, Eco-mode operation			774		mV
V_FBTH	V_FB threshold voltage	V_O = 1.05 V, continuous mode operation		749	768	787	mV
I_VFB	V_FB input current	V_FB = 0.8 V			0	±0.1	µA
MOSFET
R_DS(on)h	High-side switch resistance	T_A = 25°C, V_BST – SW = 5 V			95		mΩ
R_DS(on)l	Low-side switch resistance	T_A = 25°C			57		mΩ
CURRENT LIMIT
I_ocl	Current limit	DC current, V_OUT = 1.05 V, L₁ = 1.5 µH		3.3	4.2	5.1	A
THERMAL SHUTDOWN
T_SDN	Thermal shutdown threshold ⁽¹⁾	Shutdown temperature			172		°C
T_SDN	Thermal shutdown threshold ⁽¹⁾	Hysteresis			37		°C
ON-TIME TIMER CONTROL
t_OFF(MIN)	Minimum off time	V_FB = 0.5 V			220	310	ns
SOFT START
Tss	Soft-start time	Internal soft-start time			1.0		ms
FREQUENCY
F_sw	Switching frequency	V_IN = 12 V, V_O = 3.3 V, I_O = 1 A			580		kHz
OUTPUT UNDERVOLTAGE AND OVERVOLTAGE PROTECTION
V_UVP	Output UVP threshold	Hiccup detect (H > L)			65%
T_{HICCUP_WAIT}	Hiccup on time				1.2		ms
T_{HICCUP_RE}	Hiccup time before restart				10		ms
UVLO
UVLO	UVLO threshold	Wake up VIN voltage			3.8	4.3	V
		Shutdown VIN voltage		3.3	3.4
		Hysteresis VIN voltage			0.4

(1) Not production tested.